Network Topology – Bus, Ring, Star, Mesh and Wireless

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A deeper look into network topology types, bus, ring, star, mesh and wireless.

Network topologyknown as the pattern in which the network medium is linked to the computers and other networking components. Here are the major topologies associated with local area networking

1. Bus topology: a type of physical network design where computers in the network are connected through a single coaxial cable known as a bus.

2. Ring topology: a type of physical network design where all computers in the network are connected in a closed loop. Each computer or device in a Ring topology network functions as a repeater. It sends data by passing a token around the network in order to avoid the collision of data between two computers that want to transmit messages simultaneously. If a token is free, the computer on standby to send data obtains it, attaches the data and destination address to the token, and sends it. When the token reaches its destination computer, the data is copied. The token is then sent back to the originator. The originator sees that the message has been copied and received and removes the message from the token, rendering the token free and available to be used by the other computers in the network to send data. In this topology, if one computer fails, the entire network goes down.

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