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Pdf Network Types And Network Topology

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Network topologies describe the methods in which all the elements of a network are mapped. The topology term refers to both the physical and logical layout of a network.

What is Topology?

Topology is derived from two Greek words topo and logy, where topo means 'place' and logy means 'study'. In computer networks, a topology is used to explain how a network is physically connected and the logical flow of information in the network. A topology mainly describes how devices are connected and interact with each other using communication links. Network topology defines the layout, virtual shape, or structure of the network, not only physically but also logically. A network can have one physical topology and multiple logical topologies at the same time.

Network topology is the arrangement of the elements links , nodes , etc. 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. Distances between nodes, physical interconnections, transmission rates , or signal types may differ between two different networks, yet their logical topologies may be identical.

Network topology

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Topology defines the structure of the network of how all the components are interconnected to each other. There are two types of topology: physical and logical topology. CSMA: It is a media access control used to control the data flow so that data integrity is maintained, i. There are two alternative ways of handling the problems that occur when two nodes send the messages simultaneously. Reliable: The mesh topology networks are very reliable as if any link breakdown will not affect the communication between connected computers. Easier Reconfiguration: Adding new devices would not disrupt the communication between other devices.

Objectives: learn about different types of networks and on what basis it can be network, network topologies, bus topology, ring topology, star topology, mesh.

What Is Network Topology And Types Of Topology Pdf

Bus Single cable connects everything. Ring Single cable configured in a ring. Information Transfer All information passes through the central network connection.

Network topology is the layout of the connections links , nodes , etc. The names used - such as ring or star - are only rough descriptions. The computers on a home network can be arranged in a circle but it does not necessarily mean that it represents a ring network. There are seven basic topologies: [3]. Which of these is chosen depends on what devices need to be connected, how reliable it has to be, and the cost associated with cabling.

Network Topology

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Network Topology Comparison

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