{"id":81958,"date":"2026-09-21T12:11:51","date_gmt":"2026-09-21T15:11:51","guid":{"rendered":"https:\/\/a3aengenharia.com\/?post_type=articles&#038;p=81958"},"modified":"2026-09-21T12:12:32","modified_gmt":"2026-09-21T15:12:32","slug":"network-topology-types-applications-design-criteria","status":"publish","type":"articles","link":"https:\/\/a3aengenharia.com\/en-us\/content\/technical-articles\/network-topology-types-applications-design-criteria\/","title":{"rendered":"Network Topology: Types, Applications, and Design Criteria"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Network <strong>topology<\/strong> describes how the physical and logical elements of a network are organized and interconnected. In engineering, it is more than a drawing: it defines communication paths, concentration points, failure domains, redundancy options, and the relationship between physical infrastructure and logical data flow.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing among star, tree, ring, mesh, point-to-point, daisy-chain, or hybrid arrangements depends on capacity, availability, maintenance, security, expansion, physical constraints, and total-cost requirements. In enterprise networks, topology is normally part of a broader architecture involving layers, segmentation, routing, backbone, management, and acceptance criteria.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-que-e-topologia-de-rede\">What Is Network Topology?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>topology<\/strong> is the way network elements are organized and interconnected to enable communication among devices, systems, and applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In professional projects, topology should be analyzed together with <a href=\"\/conteudo\/guias-tecnicos\/guia-completo-sobre-arquitetura-de-redes\/\">network architecture<\/a>, <a href=\"\/conteudo\/artigos-tecnicos\/projeto-de-rede-guia-de-implementacao-de-redes\/\">network design<\/a>, <a href=\"\/servicos\/planejamento\/projeto-de-telecomunicacoes\/\">telecommunications design<\/a>, <a href=\"\/servicos\/planejamento\/projeto-de-cabeamento-estruturado\/\">structured cabling design<\/a>, fiber optics, IP CCTV, enterprise Wi-Fi, and technical documentation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Technically, it describes the relationship between <strong>nodes<\/strong> \u2014 such as computers, servers, switches, routers, access points, IP cameras, controllers, and automation equipment \u2014 and <strong>links<\/strong>, which are the communication media used to carry data between those points.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These links may be physical, such as copper cabling, fiber optics, and connections between network devices, or logical, such as VLANs, routes, tunnels, broadcast domains, and paths defined by communication protocols.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should therefore not be understood merely as a visual network diagram, but as a representation of how the infrastructure supports traffic, availability, security, and operations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In computer networks, communication occurs through paths formed by different devices and transmission media. A packet may leave a computer, pass through an access switch, cross a router, use an optical backbone, reach a server, or travel over wireless links.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology helps represent this organization and understand how data traverse the network, which devices participate in communication, and where concentration points, bottlenecks, or failures may occur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From an engineering perspective, topology is one part of <a href=\"\/conteudo\/guias-tecnicos\/guia-completo-sobre-arquitetura-de-redes\/\" id=\"24499\">network architecture<\/a>. Architecture is the broader concept because it includes decisions about layers, functions, protocols, addressing, security, redundancy, management, application integration, and operations. Within this context, topology defines how physical and logical components are distributed and connected to meet project requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Network topology should therefore be treated as a technical design decision. It directly influences infrastructure scalability, maintainability, fault tolerance, traffic distribution, security, documentation, and the network\u2019s ability to support future growth. A well-defined topology contributes to a more organized, predictable, secure, and reliable network.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-topologia-fisica-e-topologia-logica\">Physical Topology and Logical Topology<\/h2>\n\n\n\n<figure class=\"a3a-mermaid\"><svg id=\"a3a-diagram-1\" width=\"100%\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"flowchart\" style=\"max-width:min(1431.375px, 100%);height:auto;display:block;margin:0 auto\" viewBox=\"0 0 1431.375 171\" role=\"graphics-document document\" aria-roledescription=\"flowchart-v2\" aria-labelledby=\"chart-title-a3a-diagram-1\"><title id=\"chart-title-a3a-diagram-1\">Relationship between physical and logical topology in a network design<\/title><style>#a3a-diagram-1{font-family:Roboto,sans-serif;font-size:15px;fill:var(--a3a-diag-text, #0a0a0a);}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes dash{to{stroke-dashoffset:0;}}#a3a-diagram-1 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y=\"-26.25\" width=\"194.90625\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-67.453125, -11.25)\"><rect><\/rect><foreignObject width=\"134.90625\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Physical infrastructure<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-B-1\" transform=\"translate(351.8125, 34.25)\"><rect class=\"basic label-container\" style=\"\" x=\"-98.90625\" y=\"-26.25\" width=\"197.8125\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-68.90625, -11.25)\"><rect><\/rect><foreignObject width=\"137.8125\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Cables, fiber, and racks<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-C-3\" transform=\"translate(351.8125, 136.75)\"><rect class=\"basic label-container\" style=\"\" x=\"-93.5625\" y=\"-26.25\" width=\"187.125\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-63.5625, -11.25)\"><rect><\/rect><foreignObject width=\"127.125\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Switches and links<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-D-5\" transform=\"translate(584.3125, 85.5)\"><rect class=\"basic label-container\" style=\"\" x=\"-83.59375\" y=\"-26.25\" width=\"167.1875\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-53.59375, -11.25)\"><rect><\/rect><foreignObject width=\"107.1875\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Physical topology<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-E-9\" transform=\"translate(803.359375, 85.5)\"><rect class=\"basic label-container\" style=\"\" x=\"-85.453125\" y=\"-26.25\" width=\"170.90625\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-55.453125, -11.25)\"><rect><\/rect><foreignObject width=\"110.90625\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Logical topology<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-F-11\" transform=\"translate(1047.2421875, 34.25)\"><rect class=\"basic label-container\" style=\"\" x=\"-93.0703125\" y=\"-26.25\" width=\"186.140625\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-63.0703125, -11.25)\"><rect><\/rect><foreignObject width=\"126.140625\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>VLANs and subnets<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-G-13\" transform=\"translate(1047.2421875, 136.75)\"><rect class=\"basic label-container\" style=\"\" x=\"-108.4296875\" y=\"-26.25\" width=\"216.859375\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-78.4296875, -11.25)\"><rect><\/rect><foreignObject width=\"156.859375\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Routing and policies<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-H-15\" transform=\"translate(1314.5234375, 85.5)\"><rect class=\"basic label-container\" style=\"\" x=\"-108.8515625\" y=\"-26.25\" width=\"217.703125\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-78.8515625, -11.25)\"><rect><\/rect><foreignObject width=\"157.703125\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Communication flows<\/p><\/span><\/div><\/foreignObject><\/g><\/g><\/g><\/g><\/g><\/svg><figcaption>Relationship between physical and logical topology in a network design<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Network topology can be analyzed from two complementary perspectives: <strong>physical topology<\/strong> and <strong>logical topology<\/strong>. This distinction matters because the way equipment is installed does not always correspond exactly to how data flow through the network.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>physical topology<\/strong> represents the material organization of the infrastructure. It describes where equipment is located, how links are installed, which transmission media are used, and how devices are physically connected. This level includes copper cabling, fiber optics, switches, routers, access points, racks, patch panels, technical rooms, conduits, shafts, backbone, and telecommunications outlets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>logical topology<\/strong> describes communication behavior over that physical infrastructure. It shows how data move between devices, which paths are used, how network segments relate, which communication domains exist, and which rules govern information flow. This level includes IP addressing, VLANs, subnets, routes, broadcast domains, protocols, access policies, and segmentation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This distinction is essential in network and telecommunications projects because two networks may look physically similar while operating very differently. A set of devices may be physically connected to the same switching infrastructure yet logically separated into different network segments. Likewise, equipment installed in different locations may belong to the same logical network depending on configuration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From an engineering perspective, physical topology is more closely associated with installation, maintenance, expansion, and infrastructure documentation. It directly affects implementation cost, pathway organization, outlet identification, rack occupancy, link availability, and compliance with structured-cabling standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logical topology, in turn, is more closely related to performance, security, traffic control, and network operation. It organizes communication among users, servers, systems, applications, and services by defining how data should flow and which boundaries should exist among different groups of devices or functions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A professional project should therefore document both levels. The physical diagram explains the installed infrastructure, while the logical diagram explains how the network operates. When both are well defined, operations become more predictable, maintenance becomes safer, and the network is better positioned for growth, control, and troubleshooting.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Criterion<\/th><th>Physical topology<\/th><th>Logical topology<\/th><\/tr><\/thead><tbody><tr><td>What it represents<\/td><td>The actual arrangement of equipment, cables, fiber, racks, technical rooms, and links.<\/td><td>How data flow, network segments, routes, VLANs, and policies.<\/td><\/tr><tr><td>Primary focus<\/td><td>Installed infrastructure.<\/td><td>Network communication and operation.<\/td><\/tr><tr><td>Common elements<\/td><td>Cables, fiber, switches, routers, patch panels, racks, conduits, and backbone.<\/td><td>IP addressing, VLANs, subnets, routes, protocols, and broadcast domains.<\/td><\/tr><tr><td>Typical documentation<\/td><td>Floor plan, physical diagram, rack layout, port identification, and as-built documentation.<\/td><td>Logical diagram, addressing plan, VLAN matrix, routes, and policies.<\/td><\/tr><tr><td>Project impact<\/td><td>Installation, maintenance, expansion, cost, and standards compliance.<\/td><td>Performance, security, segmentation, routing, and traffic control.<\/td><\/tr><tr><td>Typical stakeholders<\/td><td>Engineering, infrastructure, telecommunications, and structured cabling.<\/td><td>Networking, IT, information security, automation, and operations.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 1 \u2014 Comparison of physical and logical topology in network projects<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-a3a-destaque\">\n<p class=\"wp-block-paragraph\"><strong>Before redefining topology, the existing network must be understood.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Inventory, physical routes, fiber occupancy, equipment, flows, dependencies, bottlenecks, and single points of failure form the baseline required to compare the current state with the target architecture.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"\/servicos\/levantamento-e-diagnostico\/due-diligence\/\">Learn about the Engineering Technical Due Diligence service<\/a><\/strong><\/p>\n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tipos-de-topologia-de-rede-e-suas-aplicacoes\">Network Topology Types and Their Applications<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network topology types represent different ways of organizing the interconnection among devices, links, and communication segments. They help describe how network points relate to one another, how traffic can flow, and which performance, availability, cost, maintenance, and scalability characteristics each arrangement tends to present.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In real projects, these topologies rarely appear in completely pure form. A network may combine point-to-point links, star segments, hierarchical structures, sections connected in <em>daisy chain<\/em>, partial-mesh redundancy, and logical segmentation. Topology types should therefore be understood as technical analysis and design models rather than isolated or independent options.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The following table summarizes the main network topology types, their basic operation, advantages, limitations, and typical applications.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Topology<\/th><th>Basic operation<\/th><th>Technical advantages<\/th><th>Limitations<\/th><th>Typical applications<\/th><\/tr><\/thead><tbody><tr><td>Point-to-point<\/td><td>Two devices or points are connected directly.<\/td><td>Simplicity, low complexity, and a direct path.<\/td><td>Limited scalability for many devices.<\/td><td>Dedicated links, optical links, router interconnections, and point-to-point wireless links.<\/td><\/tr><tr><td>Bus<\/td><td>Multiple devices share the same transmission medium.<\/td><td>Low cost and conceptual simplicity.<\/td><td>Collisions, limited scalability, and dependence on the shared medium.<\/td><td>Legacy networks, classic Ethernet, training environments, and understanding shared media.<\/td><\/tr><tr><td>Star<\/td><td>Devices connect to a central point, usually a switch.<\/td><td>Easy expansion, maintenance, and fault isolation by link.<\/td><td>Dependence on the central device or main uplinks.<\/td><td>Enterprise LANs, structured cabling, offices, IP CCTV, and building networks.<\/td><\/tr><tr><td>Ring<\/td><td>Each device connects to two neighbors, forming a closed loop.<\/td><td>Predictable flow and the possibility of redundancy in specific implementations.<\/td><td>Greater dependence on recovery and fault-control mechanisms.<\/td><td>Legacy networks, optical rings, automation, industrial networks, and redundant systems.<\/td><\/tr><tr><td>Daisy chain<\/td><td>Devices are connected sequentially from one device to the next.<\/td><td>Reduced cabling in certain scenarios and simplified installation.<\/td><td>Dependence on intermediate points, distance limits, and more sensitive maintenance.<\/td><td>Automation, sensors, serial equipment, audio\/video, field systems, and cascaded devices.<\/td><\/tr><tr><td>Mesh<\/td><td>Multiple paths exist between devices or strategic points.<\/td><td>High availability, redundancy, and fault tolerance.<\/td><td>Cost, complexity, and the need for suitable protocols.<\/td><td>Backbones, data centers, industrial networks, telecommunications, and critical environments.<\/td><\/tr><tr><td>Tree<\/td><td>Star segments are organized into levels.<\/td><td>Scalability, modularity, and layered organization.<\/td><td>Requires sound backbone, capacity, and documentation planning.<\/td><td>Enterprise networks, campuses, commercial buildings, hospitals, industrial sites, and multi-floor environments.<\/td><\/tr><tr><td>Hybrid<\/td><td>Combines two or more topologies in the same network.<\/td><td>Flexibility for different operational requirements.<\/td><td>Requires more rigorous design, documentation, and management.<\/td><td>Real enterprise environments, building networks, campuses, automation, CCTV, data centers, and multiservice networks.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 2 \u2014 Network topology types, characteristics, and typical applications<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><span>The following sections explain each topology<\/span>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-ponto-a-ponto\">Point-to-Point Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>point-to-point topology<\/strong> is the simplest form of interconnection between two network elements. In this model, two devices or infrastructure points are directly connected by a dedicated link without relying on multiple intermediate nodes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This topology is common in router links, optical connections between areas, building interconnections, dedicated telecommunications links, and point-to-point wireless links. Conceptually, it represents the basic communication unit between two points.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Its main advantage is simplicity. Because there is a direct path between source and destination, the design is easier to understand, install, and troubleshoot. The limitation is scalability: when many devices need to communicate, creating direct links among all points becomes expensive, complex, and inefficient.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In larger projects, point-to-point connections usually form part of a broader architecture. An optical backbone, for example, may use point-to-point links between switches, routers, or technical rooms even when the overall network uses a hierarchical, star, or hybrid topology.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-barramento\">Bus Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>bus topology<\/strong> is a model in which multiple devices share the same transmission medium. Historically, this topology was associated with classic Ethernet, where stations connected to a common coaxial cable and contended for the same communication channel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this arrangement, when one device transmits, the signal travels over the shared medium and can be observed by other devices on the bus. Bus topology is therefore directly related to concepts such as shared media, contention, collisions, broadcast, and media-access control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Historically and conceptually, bus topology is important for understanding LAN evolution. Early Ethernet networks used this shared-medium logic. Physical architectures later migrated to hubs and then to switches. With hubs, a network could look physically like a star while retaining bus-like logical behavior because all devices shared the same collision domain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">With switches, the logic changed. Each switch port operates as an independent link, reducing collisions and improving use of network capacity. Classical bus topology is therefore considered legacy in modern enterprise networks, although it remains relevant for understanding shared-medium communication fundamentals.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The bus topology\u2019s main advantages are conceptual simplicity and historically lower cabling requirements in certain scenarios. Its limitations include low scalability, greater sensitivity to failures in the main medium, difficult troubleshooting, and performance degradation as more devices share the same channel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-anel\">Ring Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In the <strong>ring topology<\/strong>, each device connects to two neighbors, forming a closed circuit. Data can travel around this circuit until they reach the destination, depending on the technology and protocol used.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This model became well known through technologies such as Token Ring and FDDI, which used specific mechanisms to control transmission and avoid conflicts. Although these technologies are no longer dominant in current LANs, ring concepts remain in modern applications, especially where redundancy or fault recovery is required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In industrial environments, automation systems, optical networks, and critical infrastructure, rings can provide alternative communication paths. If one section fails, protection mechanisms or specific protocols can redirect traffic around the opposite side of the ring, improving availability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The ring\u2019s advantage lies in path predictability and the ability to design controlled redundancy. Its limitation is greater dependence on suitable recovery protocols and the need for rigorous documentation and configuration to avoid loops, instability, or inadequate convergence times.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ring topology also helps clarify the difference from a daisy chain: in a daisy chain, devices are connected sequentially; in a ring, the last point connects back to the first, closing the circuit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-daisy-chain\">Daisy-Chain Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>daisy-chain topology<\/strong> is an interconnection method in which devices are linked sequentially from one device to the next. It may also be called <strong>linear topology<\/strong>, <strong>chained topology<\/strong> or, in many technical environments, <strong>cascading<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unlike star topology, a daisy chain does not use a central point to connect all devices. Each intermediate device participates in the continuity of the chain by receiving the connection from one side and forwarding or extending it to the next point.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This topology may resemble a bus when devices share the same communication medium. However, it is more accurate to treat it as a linear or chained topology because \u201cdaisy chain\u201d mainly describes the physical series connection. Depending on the technology, communication may behave as a shared medium or as a sequence of links between devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Daisy chains appear in industrial systems, automation, sensors, serial devices, audio\/video systems, field devices, and equipment with input\/output ports that extend the connection. In some scenarios they are also used to reduce cabling or simplify infrastructure routing through successive points.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Its main advantages are economy and installation simplicity in suitable environments. However, it requires technical care. A failure in an intermediate device, connection, or chain section may affect downstream points. The topology must also respect distance limits, device counts, power, protocol, media capacity, and maintenance requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A daisy chain should therefore be applied selectively. It may be appropriate for specific field or automation systems but does not by itself replace a structured architecture for larger enterprise networks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-estrela\">Star Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>star topology<\/strong> organizes devices around a central connection point. In modern LANs, this central point is usually a switch. Each endpoint has its own link to that device, simplifying installation, maintenance, fault identification, and network expansion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This model became dominant in LANs because it combines simple physical organization with good operational performance. If a cable or network outlet fails, the problem tends to remain isolated to that link rather than interrupting the entire network. New devices can also be added relatively easily when ports, capacity, and physical infrastructure are available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Star topology also aligns well with structured-cabling practices because telecommunications outlets normally converge on racks, patch panels, and access switches. This arrangement simplifies documentation, certification, maintenance, and future expansion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main limitation of a star is dependence on the central point. If the central switch or its uplinks fail, multiple devices may be affected. In professional projects, this risk can be reduced with managed switches, redundant power supplies, UPS systems, redundant uplinks, stacking, monitoring, and well-documented architecture.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In enterprise networks, star topology rarely appears alone in large environments. It is usually combined with hierarchical topologies in which multiple access switches connect to higher distribution or core layers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-arvore\">Tree Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>tree topology<\/strong>, tamb\u00e9m chamada de <strong>hierarchical topology<\/strong>, organizes the network into levels. Instead of connecting every device to a single central point, the network is divided into layers, enabling greater scalability, better organization, and clearer control of communication flows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This model can be understood as an expansion of star topology. Multiple star segments connect to higher levels, forming a branching structure. In enterprise networks, this logic appears in organization by areas, floors, buildings, departments, technical rooms, access switches, distribution, and core.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hierarchical topology is widely used because it supports modular growth, documentation, segmentation, maintenance, and capacity planning. It allows different parts of the network to be organized by function, location, or criticality, reducing operational complexity in larger environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Its main limitation is dependence on upper layers. If the backbone, distribution switches, or main links are undersized, the network may experience bottlenecks or broad outages. This model therefore requires careful planning of capacity, redundancy, addressing, documentation, and physical pathways.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In engineering projects, hierarchical topology is commonly the basis for commercial-building networks, campuses, hospitals, industrial sites, schools, data centers, and large enterprise environments.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-malha\">Mesh Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>mesh topology<\/strong> is characterized by multiple communication paths among devices, segments, or strategic network points. Its main objective is to increase availability and reduce dependence on a single path.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A mesh can be classified as <strong>full mesh<\/strong> or <strong>partial mesh<\/strong>. In a full mesh, every point has a direct connection to every other point. This provides a high level of redundancy but rapidly increases in cost and complexity as the number of devices grows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the <strong>partial mesh<\/strong>, only the most critical points have redundant paths. This model is more common in real projects because it balances availability, cost, performance, and operational complexity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mesh topologies appear in backbones, data centers, telecommunications networks, industrial environments, automation systems, mission-critical networks, and infrastructure requiring operational continuity. They may also be used with routing protocols, failover mechanisms, and traffic-balancing strategies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main advantage of mesh topology is fault tolerance. If a link or device fails, traffic can use another path provided the network was designed and configured accordingly. Limitations include cost, management complexity, protocol requirements, and the need for rigorous documentation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-hibrida\">Hybrid Topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>hybrid topology<\/strong> combines two or more topologies within the same network. In practice, it is the most common model in real environments because enterprise, industrial, and building networks rarely use a single pure form of interconnection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An infrastructure may use point-to-point links in the backbone, star topology at access, tree topology in distribution, partial mesh at critical points, daisy chains in specific field systems, and redundant rings in industrial environments. This combination allows topology to be adapted to the requirements of each network segment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main advantage of hybrid topology is flexibility. It allows performance, cost, availability, growth, and maintenance to be balanced according to each segment\u2019s function. However, it requires greater design, documentation, and management rigor because different parts of the network may have distinct physical and logical behavior.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In professional projects, hybrid topology should be planned around environmental requirements. It is not enough to combine models informally: traffic, criticality, redundancy, security, link capacity, equipment location, applicable standards, and future operations must be considered.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although topology types are useful for classifying interconnection models, defining a professional network depends on broader engineering criteria. In network and telecommunications projects, topology needs to be analyzed together with requirements for performance, availability, security, growth, documentation, and infrastructure operation.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-o-papel-da-topologia-em-projetos-de-redes-e-telecomunicacoes\">The Role of Topology in Network and Telecommunications Projects<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In a network and telecommunications project, topology defines how physical and logical infrastructure will be organized to support communication among devices, systems, and applications. It should not be treated merely as a graphic representation of the network, but as an engineering decision that affects performance, availability, security, scalability, maintenance, and operations.<\/p>\n\n\n\n<div class=\"wp-block-a3a-destaque\">\n\n<p class=\"wp-block-paragraph\"><strong>From topology to a documented network design<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The selected topology should be consolidated into physical and logical diagrams, architecture, addressing plans, VLANs, backbone definitions, redundancy criteria, specifications, and implementation documentation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"\/servicos\/planejamento\/projeto-de-rede-logica-e-redes-corporativas\/\">Learn about the Logical Network and Enterprise Network Design service<\/a><\/strong><\/p>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Topology definition begins with understanding the environment. Before deciding whether the network will use star, tree, partial mesh, point-to-point links, redundant rings, or chained sections, it is necessary to understand which services the network must support, where users and servers are located, which systems are critical, what traffic volume is expected, and which availability levels are required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This approach matters because the same conceptual topology can produce different results depending on context. A star topology may be sufficient for a small LAN, but in a corporate building, hospital, industrial site, or campus it normally needs to be combined with a hierarchical structure, appropriate backbone, redundancy, logical segmentation, and technical documentation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From the physical perspective, topology guides decisions about cabling pathways, rack locations, interconnections between technical rooms, fiber use, switch distribution, patch-panel organization, telecommunications outlets, and links between areas or buildings. These decisions directly affect implementation cost, maintainability, expansion capacity, and standards compliance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From the logical perspective, topology influences how data are forwarded, which network segments need to communicate, where routing occurs, where security policies are applied, how broadcast domains are controlled, and how the network responds to failures or traffic changes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should therefore align with network architecture. Architecture defines the overall infrastructure model, including layers, functions, protocols, addressing, security, redundancy, management, and application integration. Within that architecture, topology organizes the connection elements and communication paths required for predictable operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In professional projects, a well-defined topology also improves long-term operation. It helps identify critical points, anticipate bottlenecks, plan expansions, document physical and logical paths, apply security policies, and reduce troubleshooting time. When topology is improvised or grows without planning, the network tends to become harder to manage, more vulnerable to failures, and less prepared for new demands.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thus, the role of topology in network and telecommunications design is to connect environmental requirements with how the infrastructure will actually be built and operated. It bridges the project\u2019s technical needs and the network\u2019s physical and logical implementation.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-criterios-de-engenharia-que-orientam-a-topologia-de-rede\">Engineering Criteria That Guide Network Topology<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network topology should be defined from the technical requirements of the environment, not merely by choosing among star, ring, mesh, tree, or daisy-chain models. In an engineering project, topology results from analyzing performance, availability, scalability, security, physical infrastructure, operations, and the criticality of connected systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This analysis prevents the network from growing in an improvised way. Infrastructure may work initially but become difficult to maintain, insecure, or constrained as new users, applications, IP devices, automation systems, cameras, access points, or servers are added. Engineering criteria should therefore guide both physical and logical topology.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Criterion<\/th><th>Design question<\/th><th>Expected evidence<\/th><\/tr><\/thead><tbody><tr><td>Traffic and capacity<\/td><td>Which flows concentrate load, and which links must support peak and contingency conditions?<\/td><td>Baseline, traffic matrix, uplink capacity, and growth margin.<\/td><\/tr><tr><td>Availability<\/td><td>Which failures are acceptable, and which require an alternate path?<\/td><td>Failure-domain map, redundancy, and failover scenarios.<\/td><\/tr><tr><td>Scalability<\/td><td>How will new users, sites, and systems be incorporated?<\/td><td>Reserved ports, fibers, addressing, capacity, and physical space.<\/td><\/tr><tr><td>Security<\/td><td>Which communities need separation, and where is communication between them controlled?<\/td><td>VLAN, subnet, zone, route, and communication-policy matrix.<\/td><\/tr><tr><td>Operations<\/td><td>How will the team locate faults and understand physical and logical paths?<\/td><td>Diagrams, inventory, monitoring, identification, and as-built documentation.<\/td><\/tr><tr><td>Implementation<\/td><td>Is the topology compatible with pathways, rooms, power, distances, and maintenance access?<\/td><td>Plans, backbone, layouts, physical routes, and sizing calculations.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 3 \u2014 Engineering criteria for defining and verifying network topology<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-requisitos-de-desempenho\">Performance Requirements<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Expected network performance is one of the first criteria in topology definition. It is necessary to evaluate the <a href=\"\/conteudo\/artigos-tecnicos\/trafego-de-rede-fluxos-carga-broadcast-multicast-capacidade\/\">network traffic profile<\/a>, required bandwidth, acceptable latency, loss sensitivity, application types, and concentration of flows among devices, servers, the Internet, cloud, and internal systems. In existing networks, technologies such as <a href=\"\/conteudo\/artigos-tecnicos\/netflow-o-que-e-como-funciona-analisar-trafego-rede\/\">NetFlow<\/a> help turn observed conversations into evidence for sizing and topology review.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Different applications impose different demands on the network. Administrative systems, IP telephony, IP CCTV, automation, videoconferencing, enterprise Wi-Fi, access control, local servers, and cloud applications may have very different traffic patterns. An appropriate topology should avoid bottlenecks on main links, excess traffic at concentration points, and unnecessarily long paths.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In larger networks, performance analysis also influences uplink capacity, switch placement, backbone sizing, segment separation, and the choice among single, redundant, or aggregated links. Topology must support expected traffic behavior, not merely physical connectivity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-disponibilidade-e-tolerancia-a-falhas\">Availability and Fault Tolerance<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Availability defines how much of the network must continue operating during failures. The more critical the environment, the greater the attention required for single points of failure, alternate paths, equipment redundancy, power supplies, links, switches, routers, and backbone connections.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a simple network, star topology may be sufficient. In larger enterprise environments, hospitals, industrial sites, data centers, security systems, building automation, or critical operations, topology must anticipate possible failures and limit their impact. This may involve redundant uplinks, partial mesh, redundant rings, stacked switches, redundant power, diverse physical paths, and automatic recovery mechanisms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Redundancy should not be added without justification. It increases cost, complexity, configuration requirements, documentation, and testing. The level of redundancy should match service criticality and the operational impact of an interruption.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-escalabilidade-e-crescimento-da-rede\">Scalability and Network Growth<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should also account for future growth. A network designed only for current demand may become constrained when new departments, floors, IP cameras, outlets, access points, servers, sensors, machines, controllers, or systems are added.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scalability depends on physical and logical organization that allows expansion without rebuilding the network for every new demand. In many cases, this favors hierarchical topologies with well-defined layers, a properly sized backbone, strategically distributed racks, and reserved capacity in ports, cable trays, fibers, switches, and main links.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Logically, scalability also involves addressing plans, VLANs, routes, broadcast domains, security policies, and the ability to segment new device groups without compromising existing operation. A scalable topology should enable controlled, documented, predictable growth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-infraestrutura-fisica-e-meios-de-transmissao\">Physical Infrastructure and Transmission Media<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Physical topology must respect real environmental conditions. Distances, available pathways, technical rooms, shafts, conduits, cable trays, racks, telecommunications outlets, backbone, grounding, power, and environmental conditions directly affect solution feasibility.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Choosing among copper cabling, fiber optics, wireless links, or combinations of these media depends on distance, speed, electromagnetic interference, availability, cost, installation environment, and expansion needs. In buildings, campuses, industrial sites, and data centers, topology must be compatible with physical routes and the technical limits of each medium.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This criterion is especially important in structured-cabling projects because physical topology affects certification, maintenance, outlet identification, rack occupancy, and infrastructure service life.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-seguranca-e-segmentacao-logica\">Security and Logical Segmentation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Logical topology should support network security. Not all devices need or should communicate freely with one another. Many environments require separation of administrative networks, servers, guests, CCTV, Wi-Fi, telephony, automation, IoT, access control, industrial operations, and critical systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This separation can be implemented using VLANs, <a href=\"\/conteudo\/artigos-tecnicos\/subnetting-ipv4-como-funciona-dimensionar-sub-redes\/\">subnets sized through subnetting<\/a>firewalls, ACLs, access policies, controlled routing, and dedicated management networks. Topology should facilitate <a href=\"\/conteudo\/artigos-tecnicos\/segmentacao-de-rede-fundamentos-modelos-boas-praticas\/\">network segmentation<\/a>while avoiding excessively flat networks, large broadcast domains, and unnecessary communication between systems with different functions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A network without proper segmentation tends to be harder to control and more exposed to failures, unwanted traffic, and security incidents. Security should therefore be considered during topology definition, not added only after implementation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-operacao-manutencao-e-documentacao\">Operations, Maintenance, and Documentation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A good topology must be operable. The network should be easy to understand, document, monitor, troubleshoot, and expand. In professional projects, topology clarity is as important as connectivity itself.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Documentation should represent the physical and logical network: diagrams, rack and port identification, patch panels, links, VLANs, addressing, routes, equipment, critical links, and redundancy points. Without this documentation, simple maintenance can become risky and failures may take longer to diagnose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should also facilitate daily operation. Improvised structures, uncontrolled chaining, unclear physical paths, lack of identification, and lack of standardization increase human-error risk and make infrastructure management more difficult.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-criticidade-dos-sistemas-conectados\">Criticality of Connected Systems<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The criticality of connected systems directly influences topology requirements. A common administrative network does not have the same requirements as a network supporting industrial automation, data centers, IP CCTV, access control, hospital systems, operational communications, or mission-critical processes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The greater the criticality, the greater the need for redundancy, alternate paths, segmentation, monitoring, change control, protected power, rigorous documentation, and periodic testing. Topology should reflect the impact a communication failure could have on the environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This criterion also helps define priorities. Not every network point requires the same level of redundancy or performance. A well-structured project identifies critical segments and directs engineering resources where they create the greatest operational impact.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conformidade-normativa-e-melhores-praticas\">Standards Compliance and Best Practices<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should be compatible with technical standards and good practices for infrastructure, cabling, identification, security, performance, and documentation. In telecommunications and structured-cabling projects, this includes pathways and spaces, technical rooms, horizontal distribution, backbone, rack organization, outlet identification, certification, and infrastructure administration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Standards and technical references help avoid improvised decisions and increase project predictability. They also make the network easier to audit, maintain, expand, and integrate with new systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"h-\">Engineering criteria therefore do more than define the initial topology. They guide the network lifecycle: conception, implementation, operation, maintenance, expansion, and technology updates. A well-defined topology meets current requirements without compromising future security, scalability, or infrastructure reliability.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-como-a-topologia-se-aplica-a-arquitetura-de-rede\">How Topology Applies to Network Architecture<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>architecture<\/strong> is the broader model that defines how infrastructure will be organized to meet the communication requirements of an enterprise, building, campus, industrial site, data center, or critical environment. It includes layers, functions, protocols, addressing, security, redundancy, management, application integration, and operations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>Network topology<\/strong>, within this context, is one dimension of architecture. It defines how physical and logical elements are connected, distributed, and related so the architecture works in practice. In other words, architecture defines the overall network model; topology materializes it through paths, links, layers, equipment, and communication flows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This distinction matters because the same topology can be applied differently depending on the chosen architecture. A star topology, for example, may serve a small office network or form part of a larger hierarchical architecture with access switches connected to distribution and core layers. Likewise, a mesh topology may be used for partial backbone redundancy, data-center interconnection, or high availability in critical environments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In professional projects, topology should not be defined in isolation. It must be compatible with the intended architecture, performance requirements, logical segmentation, expected availability, available physical pathways, and future operations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-modelo-hierarquico-acesso-distribuicao-e-core\">Hierarchical Model: Access, Distribution, and Core<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most common ways to apply topology to network architecture is through the <strong>hierarchical model<\/strong>, normally divided into three layers: <strong>access<\/strong>, <strong>distribution<\/strong> and <strong>core<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>access layer<\/strong> is where endpoints connect. Computers, IP phones, cameras, access points, controllers, sensors, printers, IoT devices, and automation equipment connect here. Physically, this layer usually uses star topology with endpoints connected to access switches through horizontal cabling.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>distribution layer<\/strong> aggregates access switches and concentrates network policies. Security rules, inter-VLAN routing, broadcast control, QoS, redundancy, and alternate paths can be applied at this level. It organizes communication between access segments and the main network layer.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>core layer<\/strong> is the high-capacity backbone of the architecture. It should carry traffic with low latency, high availability, and minimal operational complexity. The core normally interconnects major network blocks such as buildings, data centers, firewalls, Internet links, WANs, cloud environments, and central enterprise networks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this model, tree or hierarchical topology is the main structure. It organizes the network into levels, improves traffic control, facilitates expansion, reduces complexity, and improves documentation. In larger networks, it can also be combined with partial mesh to increase redundancy between critical layers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-arquiteturas-de-campus\">Topology in Campus Architectures<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In a <strong>campus architecture<\/strong>, the network serves multiple areas, buildings, floors, or units within the same location. This environment requires a topology that supports physical organization, scalability, and operational control.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A combination of topologies is common. The access layer usually follows a star model connecting endpoints to local switches. Distribution aggregates floors, departments, or buildings. The core or backbone interconnects the main areas, often through fiber optics.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology must account for technical-room locations, backbone paths, distances between buildings, link capacity, redundancy between areas, and logical service segmentation. Data, voice, Wi-Fi, CCTV, automation, guest, and administrative networks may share physical infrastructure but should be logically organized in a controlled way.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-data-centers-e-arquitetura-leaf-spine\">Topology in Data Centers and Leaf-Spine Architecture<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In data centers, topology follows requirements different from traditional LANs. Traffic occurs not only between users and servers but also among servers, storage systems, applications, clusters, virtualized environments, and cloud platforms.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Modern data-center architectures therefore often use the <strong>leaf-spine<\/strong>. Nessa arquitetura, os switches <strong>leaf switches<\/strong> connect servers, storage, appliances, and edge devices. The <strong>spine switches<\/strong> form a high-capacity interconnection layer between leaf switches.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main characteristic of leaf-spine is predictable paths and low latency between network points. Rather than relying on a deep hierarchy, the architecture reduces hop count and improves horizontal scalability. New leaf switches can be added when more servers are needed, provided the spine layer has capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topologically, leaf-spine resembles an organized partial mesh. It is not a full mesh among all endpoints, but it creates multiple paths between switching layers with a focus on performance, availability, and modular growth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-redes-industriais-e-ambientes-criticos\">Topology in Industrial Networks and Critical Environments<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In industrial networks, automation systems, energy, transportation, electronic security, and mission-critical environments, topology must consider operational continuity, recovery time, fault isolation, and predictability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These scenarios may use ring, partial mesh, industrial star, daisy chains for field devices, or hybrid combinations. The choice depends on the protocol, system criticality, available physical paths, maximum acceptable outage time, and maintenance capability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">An industrial network may use daisy chains for sensors or field devices, redundant rings among industrial switches, star topology in automation panels, and a partial-mesh optical backbone among critical areas. This combination requires rigorous design because communication failures may affect production, operational safety, or availability of essential systems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-topologia-em-redes-corporativas-multisservico\">Topology in Multiservice Enterprise Networks<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Modern enterprise networks normally carry different services over the same infrastructure: administrative data, IP telephony, Wi-Fi, IP CCTV, access control, building automation, guest networks, servers, cloud systems, and critical applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In these cases, physical topology may be concentrated around switches, racks, backbone, and structured cabling, while logical topology needs to separate functions, control communication, and apply appropriate policies. This creates a hybrid architecture: physically layered and logically segmented with VLANs, subnets, routes, firewalls, and access policies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology must therefore support both connectivity and separation. A network that connects everything but does not organize flows, domains, and functions tends to become insecure, difficult to operate, and hard to scale.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-relacao-entre-topologia-arquitetura-e-operacao\">Relationship among Topology, Architecture, and Operations<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Applying topology to network architecture directly affects operations. A well-planned architecture simplifies troubleshooting, expansion, monitoring, documentation, and change control. Improvised topology can create confusing paths, loops, bottlenecks, excessive dependence on intermediate devices, difficult tracing, and longer recovery times.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In network engineering, topology should therefore be considered throughout the infrastructure lifecycle. It must support the initial design as well as maintenance, expansion, equipment replacement, integration of new systems, and technology evolution.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A topology well applied to network architecture organizes physical and logical paths consistently with environmental requirements. It not only connects devices but supports predictable, secure, high-performance operation and growth.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-exemplo-pratico-de-decisao-de-topologia-em-um-projeto-real\">Practical Example of a Topology Decision in a Real Project<\/h2>\n\n\n\n<figure class=\"a3a-mermaid\"><svg id=\"a3a-diagram-2\" width=\"100%\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"flowchart\" style=\"max-width:min(848.1875px, 100%);height:auto;display:block;margin:0 auto\" viewBox=\"0 0 848.1875 1134.359375\" role=\"graphics-document document\" aria-roledescription=\"flowchart-v2\" aria-labelledby=\"chart-title-a3a-diagram-2\"><title id=\"chart-title-a3a-diagram-2\">Decision flow among ring, logical star, and daisy chain in an optical backbone<\/title><style>#a3a-diagram-2{font-family:Roboto,sans-serif;font-size:15px;fill:var(--a3a-diag-text, #0a0a0a);}@keyframes edge-animation-frame{from{stroke-dashoffset:0;}}@keyframes 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route?<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-C-3\" transform=\"translate(136.7578125, 838.859375)\"><rect class=\"basic label-container\" style=\"\" x=\"-128.7578125\" y=\"-26.25\" width=\"257.515625\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-98.7578125, -11.25)\"><rect><\/rect><foreignObject width=\"197.515625\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Evaluate ring or partial mesh<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-D-5\" transform=\"translate(589.18359375, 591.359375)\"><polygon points=\"137.5,0 275,-137.5 137.5,-275 0,-137.5\" class=\"label-container\" transform=\"translate(-137, 137.5)\"><\/polygon><g class=\"label\" style=\"\" transform=\"translate(-100, -22.5)\"><rect><\/rect><foreignObject width=\"200\" height=\"45\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table; white-space: break-spaces; line-height: 1.5; max-width: 200px; text-align: center; width: 200px;\"><span class=\"nodeLabel\"><p>Is independence between sites critical?<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-E-7\" transform=\"translate(445.515625, 838.859375)\"><rect class=\"basic label-container\" style=\"\" x=\"-130\" y=\"-37.5\" width=\"260\" height=\"75\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-100, -22.5)\"><rect><\/rect><foreignObject width=\"200\" height=\"45\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table; white-space: break-spaces; line-height: 1.5; max-width: 200px; text-align: center; width: 200px;\"><span class=\"nodeLabel\"><p>Logical star over a linear route<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-F-9\" transform=\"translate(732.8515625, 838.859375)\"><rect class=\"basic label-container\" style=\"\" x=\"-107.3359375\" y=\"-26.25\" width=\"214.671875\" height=\"52.5\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-77.3359375, -11.25)\"><rect><\/rect><foreignObject width=\"154.671875\" height=\"22.5\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table-cell; white-space: nowrap; line-height: 1.5; max-width: 200px; text-align: center;\"><span class=\"nodeLabel\"><p>Controlled daisy chain<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-G-11\" transform=\"translate(445.515625, 963.859375)\"><rect class=\"basic label-container\" style=\"\" x=\"-130\" y=\"-37.5\" width=\"260\" height=\"75\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-100, -22.5)\"><rect><\/rect><foreignObject width=\"200\" height=\"45\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table; white-space: break-spaces; line-height: 1.5; max-width: 200px; text-align: center; width: 200px;\"><span class=\"nodeLabel\"><p>Size fibers, ports, and convergence<\/p><\/span><\/div><\/foreignObject><\/g><\/g><g class=\"node default\" id=\"flowchart-H-17\" transform=\"translate(445.515625, 1088.859375)\"><rect class=\"basic label-container\" style=\"\" x=\"-130\" y=\"-37.5\" width=\"260\" height=\"75\"><\/rect><g class=\"label\" style=\"\" transform=\"translate(-100, -22.5)\"><rect><\/rect><foreignObject width=\"200\" height=\"45\"><div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"display: table; white-space: break-spaces; line-height: 1.5; max-width: 200px; text-align: center; width: 200px;\"><span class=\"nodeLabel\"><p>Validate cost, risk, and maintenance<\/p><\/span><\/div><\/foreignObject><\/g><\/g><\/g><\/g><\/g><\/svg><figcaption>Decision flow among ring, logical star, and daisy chain in an optical backbone<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">In real network and telecommunications projects, topology selection is rarely a purely theoretical decision. It depends on physical constraints, available infrastructure, distance between points, fiber count, optical ports and modules, security requirements, service segregation, budget, maintainability, and operational criticality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For this reason, network engineering should not choose a topology simply because it appears simpler or more sophisticated. The decision must balance technical feasibility, implementation cost, operational robustness, maintainability, and outage risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A typical example occurs when interconnecting remote sites in critical infrastructure, such as operating units, dams, powerhouses, substations, pumping stations, industrial plants, or facilities distributed across difficult-to-access areas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In these environments, network topology must consider not only active equipment but also the physical backbone route, availability of poles or ducts, elevation differences, crossings, distances, maintenance access, and the limits of the specified optical cable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a telecommunications project involving critical infrastructure in a remote area, it was necessary to design the interconnection of operational sites distributed along a route with long distances, significant elevation differences, and physical-route restrictions for the optical backbone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In this type of environment, one of the first alternatives commonly evaluated is <strong>ring topology<\/strong>, because it can provide higher availability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a ring, traffic can use a primary path and an alternate return path, reducing the impact of a failure in one section of the link. However, for the ring to be effective, a physically distinct route is required to close the circuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the analyzed case, this was the main obstacle. The sites were distributed along a linear route following the infrastructure available in the field. Poles and pathways existed to interconnect the points sequentially, but there was no second viable route to return from the last site to the central point and close the ring.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Creating that return path would require an alternative route with new poles or new pathway infrastructure in a remote area subject to terrain, access, and cost constraints. Technically this could be studied, but from a construction and economic standpoint it would expand the project scope and exceed the planned budget.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thus, although the ring was attractive from an availability perspective, it was not the most rational alternative for that context. The decision then shifted from \u201cring or no ring\u201d to comparing two ways of using the <strong>same linear physical interconnection<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main alternatives were:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>a <strong>linear physical topology with logical star<\/strong>, using the internal fibers of the optical cable to create dedicated circuits between the central point and each remote site.<\/li>\n\n\n\n<li>a <strong>linear daisy-chain topology<\/strong>, with the sites connected sequentially;<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Alternative<\/th><th>Physical condition<\/th><th>Main benefit<\/th><th>Main trade-off<\/th><\/tr><\/thead><tbody><tr><td>Ring<\/td><td>Requires an alternative route capable of closing the circuit with true physical independence.<\/td><td>Potential recovery through an alternate path.<\/td><td>More infrastructure, higher cost, and need for convergence mechanisms.<\/td><\/tr><tr><td>Daisy chain<\/td><td>Uses the available linear route and chains the sites.<\/td><td>Lower consumption of fibers, optical ports, and terminations.<\/td><td>Intermediate failures may affect downstream sites.<\/td><\/tr><tr><td>Logical star over a linear route<\/td><td>Uses the same physical route but reserves dedicated circuits from the central point to each site.<\/td><td>Greater logical independence between sites.<\/td><td>Higher fiber count, more optics and ports, and greater distribution capacity.<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Table 4 \u2014 Comparison of topology alternatives for an optical backbone over a linear physical route<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This distinction is fundamental. In both alternatives, the optical cable would physically follow a linear route because that was the viable field path. The difference lay in how fibers would be allocated, terminated, and used to form communication links.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The project also had specific service-segregation requirements. Data networks, CCTV, supervisory systems, management, and operational domains could not be treated as a single network. Services and communication domains needed separation, including in the allocation of available fibers, while preserving spare fibers for contingency and future growth.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the <strong>daisy-chain<\/strong>alternative, the optical cable would leave the main point, pass through the first remote site, have fibers branched or terminated there, and continue to the next site, repeating the pattern to the end of the chain. In this configuration, each site participates in the continuity of the physical interconnection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This option optimizes the available route, reduces cable quantity, uses fewer optical fibers, ports, patch cords, adapters, and less density in optical distribution frames. With a <strong>12-fiber<\/strong>cable, for example, it would be possible to organize service segregation while preserving spare fibers for growth or contingency.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fiber pairs or groups could be assigned to different domains such as data, video surveillance, supervisory systems, automation, management, or future applications. This would meet service-separation requirements with a more economical optical infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The main limitation of daisy-chain topology is dependence on intermediate points. If a link, splice enclosure, active device, or central section fails, downstream sites may lose connectivity. The solution is fiber-efficient and economically attractive, but it requires careful operational-risk analysis.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the <strong>logical star<\/strong>, the physical interconnection would also follow a linear route. The difference is that internal fibers would be allocated so each remote site had a dedicated circuit to the central point. The physical topology would remain linear, while the logical link topology would be a star.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This solution would provide greater independence among sites. A failure in one specific circuit would tend to affect only the corresponding site without necessarily compromising the others. For critical infrastructure, this isolation can be valuable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This independence would come at a cost. To maintain service segregation, dedicated circuits, and spare fibers, the solution might require a higher-fiber-count cable such as <strong>36-fiber<\/strong>, along with more optical ports, SFP modules, adapters, patch cords, greater optical-distribution capacity, and more rack space.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The comparison was therefore not simply between \u201cdaisy chain\u201d and \u201cstar.\u201d The decision involved evaluating <strong>how to use a linear physical route in the most appropriate way<\/strong>: either a more economical chained solution accepting dependence on intermediate nodes, or a logically more independent solution accepting greater use of fibers, optical equipment, and termination infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another important factor was the modernization context. In older environments that operated for decades without this level of connectivity, implementing an optical backbone already represents a major improvement. The engineering question is not merely \u201cwhich topology is most robust?\u201d but rather:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>does system criticality justify the additional cost of a logical star?<\/strong><\/li>\n\n\n\n<li><strong>can the budget support the increased scope?<\/strong><\/li>\n\n\n\n<li><strong>does operation require full independence among sites, or does linear connectivity meet the project\u2019s acceptable risk?<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This type of analysis shows why topology is an engineering decision. Conceptually, a ring may seem superior because it offers redundancy, and a star may seem more robust because it provides greater link independence. In the field, however, the solution must respect actual conditions: available routes, terrain, budget, cable capacity, fiber count, optical equipment, segregation requirements, and future operations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In critical-infrastructure projects, the best topology is not necessarily the most robust in absolute terms or the cheapest initially. The best solution meets the technical requirements within the real constraints of implementation, maintenance, and operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology therefore becomes more than a connection diagram. It becomes the result of balancing risk, cost, availability, capacity, and constructability. That balance characterizes a professional network and telecommunications project.<\/p>\n\n\n\n<div class=\"wp-block-a3a-destaque\">\n\n<p class=\"wp-block-paragraph\"><strong>Topology and backbone should be sized together.<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\">Routes, fibers, equipment, redundancy, expansion, and acceptance criteria need to form a coherent architecture.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"\/servicos\/planejamento\/projeto-de-fibra-optica-e-redes-opticas\/\">Learn about the Fiber-Optic and Optical Network Design service<\/a><\/strong><\/p>\n\n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-erros-comuns-ao-definir-uma-topologia-de-rede\">Common Errors When Defining Network Topology<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The previous example shows that topology should not be defined solely from conceptual models. In the field, topology must respond to physical constraints, operational requirements, budget, system criticality, fiber availability, equipment capacity, and real maintenance conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many problems in enterprise, industrial, and telecommunications networks arise when topology is defined simplistically without complete engineering analysis. The following are some of the most common errors.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Defining topology only by the lowest initial cost<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most critical errors is defining topology solely on the lowest implementation cost. In many projects, the cheapest short-term solution may reduce cable, fiber count, SFP modules, ports, adapters, patch cords, optical distribution hardware, and installation infrastructure. However, those savings must be compared against impacts on availability, maintenance, expansion, and operational risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the previous example, a linear daisy-chain topology could reduce fiber consumption and simplify use of the available physical route. This can be technically appropriate when the risk is known and acceptable, but it also creates dependence on intermediate nodes: a failure in a central section may affect all downstream sites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The correct decision is not automatically to choose the cheapest option. It is to evaluate whether initial savings justify the assumed risk. In mission-critical networks, lower implementation cost may become higher operating cost, more downtime, and greater maintenance difficulty later.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-escolher-a-solucao-mais-sofisticada-sem-avaliar-custo-beneficio\">Choosing the most \u201csophisticated\u201d solution without evaluating cost-benefit<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Conversely, it is also inappropriate to assume that the most robust topology will always be the best solution. A ring, logical star, or partial mesh may provide higher availability but also require more infrastructure, equipment, fibers, optical ports, physical space, documentation, and maintenance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The correct decision depends on system criticality and acceptable risk. In an environment that previously lacked adequate connectivity, a well-designed linear solution may be a major operational improvement. In another environment with processes that cannot stop, redundancy may be mandatory.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The error lies in choosing topology only for theoretical robustness without considering budget, scope, operations, and the actual impact of downtime. Higher availability is justified only when operational risk, service criticality, and downtime cost support the additional investment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A well-defined topology should balance <strong>CAPEX, OPEX, availability, service criticality, maintainability, and expansion capacity<\/strong>. The lowest initial cost is a good decision only when it also meets technical and operational requirements; likewise, the most robust solution is appropriate only when its cost and complexity are compatible with the risk it reduces.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Seeking redundancy without evaluating physical feasibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Redundancy is desirable in many projects, but it must be physically feasible. A ring, for example, delivers the expected benefit only when a truly separate alternate path exists. If outbound and return paths use the same physical infrastructure, redundancy is only apparent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In remote, industrial, or topographically complex areas, closing a ring may require new poles, ducts, crossings, civil works, or difficult-access routes. The decision must evaluate whether the availability gain justifies increased cost and scope.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Creating redundancy without testing operation and convergence<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Adding redundant links does not by itself guarantee a more reliable network. If protocols, configurations, and recovery mechanisms are poorly defined, redundancy can create loops, instability, asymmetric paths, or inadequate convergence times.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In networks with rings, partial mesh, or multiple uplinks, protocols, priorities, failover, return to normal operation, monitoring, and documentation must be validated. In Layer 3 topologies, protocols such as <a href=\"\/conteudo\/artigos-tecnicos\/ospf-como-funciona-areas-lsas-custos-criterios-projeto\/\">OSPF<\/a> may participate in internal convergence; at network edges, across multiple autonomous systems or inter-domain policies, <a href=\"\/conteudo\/artigos-tecnicos\/bgp-o-que-e-asn-peering-criterios-projeto\/\">BGP<\/a> serves a different architectural function. Untested redundancy can create a false sense of security.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Failing to reserve capacity for growth<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Network projects should not be sized only for immediate demand. Lack of spare fibers, free ports, optical-distribution space, rack capacity, and link margin can constrain future expansion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For optical backbones, this error is critical. Replacing an optical cable or expanding infrastructure after deployment can be much more expensive than providing additional capacity in the initial design.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A good topology considers not only current services but also contingency, growth, new systems, maintenance, and possible architectural changes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Failing to plan service segregation<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In modern networks, different services should not be treated as a single communication block. Corporate data, CCTV, telephony, automation, supervision, management, guest, and operational systems may require physical or logical separation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A common error is defining topology only to \u201cprovide connectivity\u201d without planning how services will be segregated. This can create flat networks, greater exposure to failures, difficult traffic control, and security risks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should consider from the beginning how communication domains will be separated, whether through dedicated fibers, VLANs, subnets, firewalls, ACLs, or routing policies.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ignoring maintenance and access to network points<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A topology may be technically functional but difficult to maintain. In remote, industrial, or hard-to-access areas, the location of splice enclosures, racks, poles, cabinets, and active equipment directly affects response time during failures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The error is designing only for connectivity without considering who will maintain the system, how points will be accessed, how long fault location will take, and what interventions are required to restore service.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should facilitate operation, inspection, testing, equipment replacement, and troubleshooting.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Failing to document physical and logical topology<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lack of documentation is one of the greatest problems in networks that grow over time. Without physical and logical diagrams, fiber plans, port identification, optical-distribution mapping, VLANs, routes, links, and critical points, operation becomes dependent on informal knowledge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This increases maintenance-error risk, lengthens troubleshooting time, and complicates expansion. In professional projects, documentation should be part of topology design rather than treated as a secondary stage.<\/p>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-seguranca-gestao-e-documentacao-da-rede\">Network Security, Management, and Documentation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Defining network topology does not end with selecting links, switches, fibers, routes, or interconnection points. In professional projects, topology must also be considered from the perspectives of <strong>security<\/strong>, <strong>operational management<\/strong> and <strong>technical documentation<\/strong>. These three aspects determine whether the network is merely functional at deployment or remains controllable, secure, and maintainable over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From a security perspective, a well-defined topology should prevent all devices and systems from sharing the same communication domain. Administrative networks, CCTV, IP telephony, automation, guest networks, servers, equipment management, supervisory systems, and industrial environments may have different access, availability, and protection requirements. Logical topology should therefore incorporate segmentation from the design stage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This segmentation can be implemented using <strong>VLANs, subnets, ACLs, firewalls, controlled routing, management networks, and access policies<\/strong>. The objective is to limit communication to what is operationally necessary. An IP camera, for example, does not need the same level of access as an enterprise server. An automation system should not be exposed to the same network used by guests. Management devices such as switches, routers, firewalls, and controllers should also have restricted and monitored access.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In industrial or critical-infrastructure environments, this separation becomes even more important. Topology must account for differences among IT networks, automation networks, operational systems, supervisory systems, electronic security, and management. Communication between domains should be controlled, documented, and technically justified. Topology must do more than connect systems; it should help reduce the attack surface and limit the impact of failures or incidents.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology management is also central. A network may be correctly installed yet become difficult to operate without monitoring, identification, standardization, and change control. In larger projects, it is important to define how the technical team will visualize the network, identify failures, monitor link availability, measure performance, receive alarms, and quickly locate critical points.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This involves <a href=\"\/conteudo\/artigos-tecnicos\/monitoramento-de-rede-metricas-disponibilidade-desempenho-observabilidade\/\">network monitoring<\/a> across switches, routers, firewalls, optical links, ports, traffic, temperature, power, logs, events, and service availability. The operational layer should also consider <a href=\"\/conteudo\/artigos-tecnicos\/gerenciamento-de-redes-fcaps-snmp-configuracao-desempenho-seguranca\/\">network management using the FCAPS model<\/a>, configuration backups, naming standards, version control, change records, and defined responsibility for each segment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topology should facilitate this management. Improvised networks with undocumented chains, unidentified ports, unmapped fibers, VLANs without a communication matrix, and disorganized racks increase troubleshooting time and human-error risk. The more critical the operation, the more predictable the infrastructure needs to be.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Technical documentation connects the designed topology to the topology actually deployed. It should represent both the physical and logical dimensions of the network. The article on <a href=\"\/conteudo\/artigos-tecnicos\/diagrama-de-rede-arquitetura-logica-fisica-documentacao\/\">Network Diagrams<\/a> explores this documentation distinction in greater depth. From the physical perspective, documentation includes backbone diagrams, cable routes, fibers in use, splice enclosures, optical distribution frames, racks, patch panels, ports, patch cords, telecommunications outlets, technical rooms, and links between sites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From the logical perspective, documentation should include the IP addressing plan, VLANs, subnets, routes, gateways, trunks, firewall policies, ACLs, management networks, critical services, and a communication matrix between segments. This documentation makes it possible to understand not only where equipment is connected but also how data should flow between devices and domains.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In fiber-optic projects, topology documentation should detail fiber occupancy, splices, terminations, fiber pairs used by each service, spare fibers, branching points, and tests performed. This information is essential for maintenance and future expansion. Without this control, a simple intervention in an optical distribution frame or splice enclosure can cause outages in critical services.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Another important element is <a href=\"\/conteudo\/artigos-tecnicos\/projeto-as-built\/\" id=\"32315\">as-built documentation<\/a>, which records the network\u2019s final condition after implementation. In many projects, differences exist between the initial design and what was actually installed in the field.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These differences may result from route constraints, infrastructure adjustments, equipment changes, pathway changes, or adaptations made during installation. If they are not documented, future operations become dependent on informal knowledge.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Well-documented topology also improves security. When teams know which networks exist, which ports are active, which VLANs traverse each link, which fibers support each service, and which devices belong to each domain, it becomes easier to audit infrastructure, identify deviations, block unauthorized access, and plan changes with lower risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Security, management, and documentation should therefore not be treated as stages that come after topology definition. They are part of the design decision itself. A technically appropriate topology connects the required points, correctly separates communication domains, enables monitoring, facilitates maintenance, and remains understandable to the teams that will operate the network throughout its lifecycle.<\/p>\n\n\n\n<div class=\"wp-block-a3a-destaque\">\n<p class=\"wp-block-paragraph\"><strong>The designed topology must be verified against the actual installed condition.<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\">Failover, redundant paths, segregation, performance, documentation, identification, and behavior under failure should be verified against objective criteria before network acceptance.<\/p>\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"\/servicos\/implementacao\/comissionamento\/\">Learn about the Engineering Commissioning service<\/a><\/strong><\/p>\n<\/div>\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-consideracoes-finais\">Final considerations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Network <strong>topology<\/strong> should not be understood merely as the visual arrangement used to connect devices. In professional network and telecommunications projects, it is an engineering decision that directly influences performance, availability, security, scalability, maintenance, and infrastructure operation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Throughout this article, we saw that topology types \u2014 point-to-point, bus, star, ring, daisy chain, mesh, tree, and hybrid \u2014 function as technical models for analyzing different forms of interconnection. In real projects, however, these topologies rarely appear in isolation. Different physical and logical arrangements are normally combined according to environmental requirements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">We also saw that the difference between <strong>physical topology<\/strong> and <strong>logical topology<\/strong> is fundamental. An optical backbone may physically follow a linear route, for example, while being organized logically as a star through the allocation of internal fibers. Likewise, a physically star-shaped network may operate with multiple VLANs, subnets, access policies, and separate communication domains.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This distinction shows that topology cannot be defined only by the simplest drawing, the lowest initial cost, or the theoretically most robust solution. The decision must consider real project conditions: available routes, distances, terrain, fiber count, optical modules, distribution capacity, segregation requirements, system criticality, budget, operations, and future maintenance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In enterprise, industrial, building, hospital, data-center, or critical-infrastructure environments, topology must align with network architecture. This means considering access, distribution, and core layers, logical segmentation, security, documentation, monitoring, redundancy, and expansion capacity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A well-defined topology connects the required points, organizes communication flows, reduces operational risk, facilitates maintenance, supports growth, and keeps the network understandable to operations teams. More than connecting equipment, it supports continuity and reliability of the services that depend on the infrastructure.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Therefore, in network and telecommunications projects, the most important question is not simply <strong>\u201cwhich topology should be used?\u201d<\/strong>, but rather: \u201c<strong>which physical and logical arrangement best meets the technical, operational, economic, and standards requirements of the environment?<\/strong>\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When this analysis is performed rigorously, topology becomes more than a networking concept; it becomes an engineering instrument for building safer, scalable, documented infrastructure prepared for long-term operation.<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Technical references<\/summary>\n<p class=\"wp-block-paragraph\">[1] ABNT. ABNT NBR 14565:2019 \u2014 Structured cabling for commercial buildings.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[2] ABNT. ABNT NBR 16415 \u2014 Pathways and spaces for structured cabling.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[3] ABNT. ABNT NBR 16521 \u2014 Industrial structured cabling.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[4] ABNT. ABNT NBR 16665 \u2014 Structured cabling for data centers.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[5] ABNT. ABNT NBR 16869-1 \u2014 Structured cabling \u2014 Part 1.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[6] ABNT. ABNT NBR 16869-2 \u2014 Structured cabling \u2014 Part 2.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[7] ABNT. ABNT NBR 16869-3 \u2014 Structured cabling \u2014 Part 3.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[8] ABNT. ABNT NBR 16869-4 \u2014 Structured cabling \u2014 Part 4.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[9] ABNT. ABNT NBR 16869-5 \u2014 Structured cabling \u2014 Part 5.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[10] ABNT. ABNT NBR 17040 \u2014 Equipotential bonding of telecommunications and structured-cabling infrastructure.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[11] ABNT. ABNT NBR 13491 \u2014 Optical fibers \u2014 Determination of optical attenuation.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[12] ABNT. ABNT NBR 13502 \u2014 Optical fibers \u2014 Verification of optical-attenuation uniformity.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[13] ABNT. ABNT NBR 14705 \u2014 Indoor telecommunications cables \u2014 Classification by flame behavior.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[14] ABNT. ABNT NBR 15715 \u2014 Corrugated polyethylene duct systems for power and telecommunications cable infrastructure.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[15] ISO; IEC. ISO\/IEC 11801-1:2017 \u2014 Information technology \u2014 Generic cabling for customer premises \u2014 Part 1: General requirements. Dispon\u00edvel em: <a href=\"https:\/\/www.iso.org\/standard\/66182.html\">https:\/\/www.iso.org\/standard\/66182.html<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[16] TIA. ANSI\/TIA-568 \u2014 Telecommunications cabling standards. Dispon\u00edvel em: <a href=\"https:\/\/tiaonline.org\/what-we-do\/standards\/\">https:\/\/tiaonline.org\/what-we-do\/standards\/<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[17] IEEE. IEEE 802.3-2022 \u2014 IEEE Standard for Ethernet. Dispon\u00edvel em: <a href=\"https:\/\/standards.ieee.org\/ieee\/7003\/10422\/\">https:\/\/standards.ieee.org\/ieee\/7003\/10422\/<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[18] IEEE. IEEE 802.11 \u2014 Wireless LAN standards. Dispon\u00edvel em: <a href=\"https:\/\/www.ieee802.org\/11\/\">https:\/\/www.ieee802.org\/11\/<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[19] IETF. RFC 1918 \u2014 Address Allocation for Private Internets. Dispon\u00edvel em: <a href=\"https:\/\/www.rfc-editor.org\/info\/rfc1918\/\">https:\/\/www.rfc-editor.org\/info\/rfc1918\/<\/a>.<\/p>\n\n\n<p class=\"wp-block-paragraph\">[20] IETF. RFC 4193 \u2014 Unique Local IPv6 Unicast Addresses. Dispon\u00edvel em: <a href=\"https:\/\/www.rfc-editor.org\/info\/rfc4193\/\">https:\/\/www.rfc-editor.org\/info\/rfc4193\/<\/a>.<\/p>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Frequently asked questions<\/summary>\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-topologia-1\"><strong class=\"schema-faq-question\">What is network topology?<\/strong><p class=\"schema-faq-answer\">Network topology is the physical or logical arrangement of devices, links, switches, routers, racks, optical fibers, cables, and services that enables communication among systems and applications.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-2\"><strong class=\"schema-faq-question\">What is the difference between physical and logical topology?<\/strong><p class=\"schema-faq-answer\">Physical topology represents actual cables, fibers, racks, switches, and connections. Logical topology represents data flows, VLANs, routes, protocols, broadcast domains, policies, and segmentation.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-3\"><strong class=\"schema-faq-question\">Which topology is most commonly used in enterprise networks?<\/strong><p class=\"schema-faq-answer\">In enterprise networks, star topology and hierarchical variations are common, using access, distribution, and core switches, racks, patch panels, backbone, and structured cabling.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-4\"><strong class=\"schema-faq-question\">How does topology influence structured-cabling design?<\/strong><p class=\"schema-faq-answer\">Topology defines routes, concentration points, racks, backbone, link quantities, outlet distribution, fiber-optic use, patch panels, optical distribution frames, certification, and infrastructure documentation.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-5\"><strong class=\"schema-faq-question\">What is the role of the fiber-optic backbone in topology?<\/strong><p class=\"schema-faq-answer\">The fiber-optic backbone interconnects racks, technical rooms, buildings, floors, and critical areas, supporting capacity, distance, availability, and network expansion.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-6\"><strong class=\"schema-faq-question\">Does network topology affect IP CCTV?<\/strong><p class=\"schema-faq-answer\">Yes. In IP CCTV projects, topology affects PoE switches, bandwidth, segmentation, backbone routes, recording, availability, remote access, and integration with electronic security systems.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-7\"><strong class=\"schema-faq-question\">Does network topology affect enterprise Wi-Fi?<\/strong><p class=\"schema-faq-answer\">Yes. Wi-Fi networks depend on wired topology, PoE switches, VLANs, controllers, backbone, authentication, roaming, access-point placement, and monitoring.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-8\"><strong class=\"schema-faq-question\">When should topology analysis become a formal network design?<\/strong><p class=\"schema-faq-answer\">When infrastructure is expanding, new systems are being implemented, sites need integration, networks are unstable, environments are critical, or there is a need for IP CCTV, Wi-Fi, IP telephony, automation, or procurement documentation.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-9\"><strong class=\"schema-faq-question\">Which standards should be considered for network topology and infrastructure?<\/strong><p class=\"schema-faq-answer\">Relevant references include standards for structured cabling, pathways and spaces, data centers, industrial environments, fiber optics, equipotential bonding, telecommunications cables, and ISO\/IEC, ANSI\/TIA, IEEE, and IETF references.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-topologia-10\"><strong class=\"schema-faq-question\">How should network topology be documented?<\/strong><p class=\"schema-faq-answer\">Documentation should include physical and logical diagrams, rack maps, link identification, VLANs, addressing, circuits, backbone, network outlets, certification, inventory, and as-built records.<\/p><\/div><\/div>\n<\/details>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Complementary technical materials<\/summary>\n\n<h4 class=\"wp-block-heading\">Related services<\/h4>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/servicos\/levantamento-e-diagnostico\/due-diligence\/\">Engineering Technical Due Diligence<\/a><\/li><li><a href=\"\/servicos\/planejamento\/projeto-de-rede-logica-e-redes-corporativas\/\">Logical Network and Enterprise Network Design<\/a><\/li><li><a href=\"\/servicos\/planejamento\/projeto-de-telecomunicacoes\/\">Telecommunications Design<\/a><\/li><li><a href=\"\/servicos\/planejamento\/projeto-de-cabeamento-estruturado\/\">Structured Cabling Design<\/a><\/li><li><a href=\"\/servicos\/planejamento\/projeto-de-fibra-optica-e-redes-opticas\/\">Fiber-Optic and Optical Network Design<\/a><\/li><li><a href=\"\/servicos\/implementacao\/comissionamento\/\">Engineering Commissioning<\/a><\/li><\/ul>\n\n\n<h4 class=\"wp-block-heading\">Main content on the topic<\/h4>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/conteudo\/guias-tecnicos\/guia-completo-sobre-arquitetura-de-redes\/\">Complete Guide to Network Architecture<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/arquitetura-e-topologia-de-rede-em-projetos-de-telecom\/\">Enterprise Network Architecture<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/projeto-de-rede-guia-de-implementacao-de-redes\/\">Network Design<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/diagrama-de-rede-arquitetura-logica-fisica-documentacao\/\">Network Diagram<\/a><\/li><\/ul>\n\n\n<h4 class=\"wp-block-heading\">Related technical content<\/h4>\n\n\n<ul class=\"wp-block-list\"><li><a href=\"\/conteudo\/artigos-tecnicos\/rede-logica\/\">Logical Network<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/segmentacao-de-rede-fundamentos-modelos-boas-praticas\/\">Network Segmentation<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/subnetting-ipv4-como-funciona-dimensionar-sub-redes\/\">Subnetting<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/ospf-como-funciona-areas-lsas-custos-criterios-projeto\/\">OSPF<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/bgp-o-que-e-asn-peering-criterios-projeto\/\">BGP<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/trafego-de-rede-fluxos-carga-broadcast-multicast-capacidade\/\">Network Traffic<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/netflow-o-que-e-como-funciona-analisar-trafego-rede\/\">NetFlow<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/monitoramento-de-rede-metricas-disponibilidade-desempenho-observabilidade\/\">Network Monitoring<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/gerenciamento-de-redes-fcaps-snmp-configuracao-desempenho-seguranca\/\">Network Management \u2014 FCAPS<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/spanning-tree-stp-rstp-mstp\/\">Spanning Tree \u2014 STP, RSTP, and MSTP<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/lacp-link-aggregation-etherchannel\/\">LACP and Link Aggregation<\/a><\/li><li><a href=\"\/conteudo\/artigos-tecnicos\/backbone-de-fibra-optica\/\">Fiber-Optic Backbone<\/a><\/li><li><a href=\"\/conteudo\/whitepapers\/whitepaper-netbox-fonte-da-verdade-infraestrutura-redes-ipam-dcim-automacao\/\">Whitepaper: NetBox as the Source of Truth<\/a><\/li><\/ul>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Understand how network topology affects performance, availability, cabling, backbone, segmentation, IP CCTV, Wi-Fi, and telecommunications design.<\/p>\n","protected":false},"author":1,"featured_media":78492,"parent":0,"template":"","meta":{"_a3a_global_related_solutions":[],"_a3a_global_related_services":[],"_a3a_global_related_materials":[],"_a3a_post_lang":"en-us","_a3a_translation_group_id":"65781df8-81fd-4a6a-adc1-15bb12290967","_a3a_i18n_canonical_slug":"network-topology-types-applications-design-criteria","_a3a_prod_post_id":"","_a3a_lang_url_en-us":"","_a3a_lang_url_es-es":""},"categories":[],"segments":[],"mercados":[],"etapas":[],"class_list":["post-81958","articles","type-articles","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/articles\/81958","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/articles"}],"about":[{"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/types\/articles"}],"author":[{"embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/articles\/81958\/revisions"}],"predecessor-version":[{"id":81962,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/articles\/81958\/revisions\/81962"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/media\/78492"}],"wp:attachment":[{"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/media?parent=81958"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/categories?post=81958"},{"taxonomy":"segments","embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/segments?post=81958"},{"taxonomy":"mercados","embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/mercados?post=81958"},{"taxonomy":"etapas","embeddable":true,"href":"https:\/\/a3aengenharia.com\/en-us\/wp-json\/wp\/v2\/etapas?post=81958"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}