This article is about the topology of communication networks. For the topology of electrical networks, see Topology (electrical circuits). For the topology of transport networks, see Transport topology.
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Category:Network theory
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Network topology is the arrangement of the elements (links, nodes, etc.) of a communication network.[1][2] Network topology can be used to define or describe the arrangement of various types of telecommunication networks, including command and control radio networks,[3] industrial fieldbusses and computer networks.
Network topology is the topological[4] structure of a network and may be depicted physically or logically. It is an application of graph theory[3] wherein communicating devices are modeled as nodes and the connections between the devices are modeled as links or lines between the nodes. Physical topology is the placement of the various components of a network (e.g., device location and cable installation), while logical topology illustrates how data flows within a network. Distances between nodes, physical interconnections, transmission rates, or signal types may differ between two different networks, yet their logical topologies may be identical. A network's physical topology is a particular concern of the physical layer of the OSI model.
Examples of network topologies are found in local area networks (LAN), a common computer network installation. Any given node in the LAN has one or more physical links to other devices in the network; graphically mapping these links results in a geometric shape that can be used to describe the physical topology of the network. A wide variety of physical topologies have been used in LANs, including ring, bus, mesh and star. Conversely, mapping the data flow between the components determines the logical topology of the network. In comparison, Controller Area Networks, common in vehicles, are primarily distributed control system networks of one or more controllers interconnected with sensors and actuators over, invariably, a physical bus topology.
^Groth, David; Toby Skandier (2005). Network+ Study Guide, Fourth Edition. Sybex, Inc. ISBN 0-7821-4406-3.
^ATIS committee PRQC. "mesh topology". ATIS Telecom Glossary 2007. Alliance for Telecommunications Industry Solutions. Archived from the original on April 14, 2013. Retrieved 2008-10-10.
^ abGrant, T. J., ed. (2014). Network Topology in Command and Control. Advances in Information Security, Privacy, and Ethics. IGI Global. pp. xvii, 228, 250. ISBN 9781466660595.
^Chiang, Mung; Yang, Michael (2004). "Towards Network X-ities From a Topological Point of View: Evolvability and Scalability" (PDF). Proc. 42nd Allerton Conference. Archived from the original (PDF) on September 21, 2013.
Networktopology is the arrangement of the elements (links, nodes, etc.) of a communication network. Networktopology can be used to define or describe...
as a conduit to transmit messages. The star network is one of the most common computer networktopologies. The hub and hosts, and the transmission lines...
A tree topology, or star-bus topology, is a hybrid networktopology in which star networks are interconnected via bus networks. Tree networks are hierarchical...
A mesh network is a local area networktopology in which the infrastructure nodes (i.e. bridges, switches, and other infrastructure devices) connect directly...
A bus network is a networktopology in which nodes are directly connected to a common half-duplex link called a bus. A host on a bus network is called...
organize network traffic, the network size, the topology, traffic control mechanisms, and organizational intent.[citation needed] Computer networks support...
A torus interconnect is a switch-less networktopology for connecting processing nodes in a parallel computer system. In geometry, a torus is created by...
A ring network is a networktopology in which each node connects to exactly two other nodes, forming a single continuous pathway for signals through each...
adding stages, a Clos network reduces the number of crosspoints required to compose a large crossbar switch. A Clos networktopology (diagrammed below) is...
PSTN networktopology is the switching networktopology of a telephone network connected to the public switched telephone network (PSTN). In the United...
butterfly network is a technique to link multiple computers into a high-speed network. This form of multistage interconnection networktopology can be used...
interexchange networks; in the rest of the world, the core network has been extended to national boundaries. Core networks usually had a mesh topology that provided...
the original model, which has an all-to-all topology, a sufficiently dense complex network-like topology is amenable to the mean-field treatment used...
logical networktopology can be inferred from the network diagram if details of the network protocols in use are also given. Virtual Private Network Enterprise...
The public switched telephone network (PSTN) is the aggregate of the world's telephone networks that are operated by national, regional, or local telephony...
autonomous topology. MANETs usually have a routable networking environment on top of a link layer ad hoc network. The earliest wireless data network was called...
Internet access via a hotspot service. Networktopology describes the layout of interconnections between devices and network segments. At the data link layer...
hardware-nodes being used within a network. It is a low-cost, single-wire network based on ISO 9141. In today’s car networkingtopologies, microcontrollers with either...
on the customer edge or network-provider edge the type of topology of connections, such as site-to-site or network-to-network the levels of security provided...
A grid network is a computer network consisting of a number of computer systems connected in a grid topology. In a regular grid topology, each node in...
Topology (from the Greek words τόπος, 'place, location', and λόγος, 'study') is the part of mathematics concerned with the properties of a geometric object...
crossbar communication architectures. Networks-on-chip come in many networktopologies, many of which are still experimental as of 2018. [citation needed]...
Link Layer Topology Discovery (LLTD) is a proprietary link layer protocol for networktopology discovery and quality of service diagnostics. Microsoft...
In computer networking, hypercube networks are a type of networktopology used to connect and route data between multiple processing units or computers...
basic ladder topologies: unbalanced and balanced. Cauer topology is usually thought of as an unbalanced ladder topology. A ladder network consists of cascaded...
interconnection network. Data center networks can be divided into multiple separate categories. Fixed topology Tree-based Basic tree Clos network VL2 Fat-tree...
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