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Fully switched network

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Title: Fully switched network  
Author: World Heritage Encyclopedia
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Subject: Network performance, Network switch
Collection: Network Performance
Publisher: World Heritage Encyclopedia

Fully switched network

A fully switched network is a computer network which uses only network switches rather than network hubs on Ethernet local area networks.[1] The switches allow for a dedicated connection to each workstation. A switch allows for many conversations to occur simultaneously. Before switches existed data could only be transmitted in one direction at a time, this was called half-duplex. By using a switch the network is able to maintain full-duplex Ethernet and makes it collision free.[2] This means that data can now be transmitted in both directions at the same time. Fully switched networks employ either twisted-pair or fiber-optic cabling, both of which use separate conductors for sending and receiving data.[3] In this type of environment, Ethernet nodes can forgo the collision detection process and transmit at will, since they are the only potential devices that can access the medium. This means that a fully switched network is a collision-free environment.

The core function of a switch is to allow each workstation to communicate only with the switch instead of with each other. This in turn means that data can be sent from workstation to switch and from switch to workstation simultaneously. The core purpose of a switch is to decongest network flow to the workstations so that the connections can transmit more effectively; receiving transmissions that were only specific to their network address. With the network decongested and transmitting data in both directions simultaneously this can in fact double network speed and capacity when two workstations are trading information. For example if your network speed is 5 Mbit/s, then each workstation is able to simultaneously transfer data at 5 Mbit/s.

See also


  1. ^ Sonnenreich, Jason Albanese, Wes (2004). Network security illustrated. New York: McGraw-Hill. p. 182.  
  2. ^ Dordal, Peter. "An Introduction to Computer Networks". Loyola University Chicago. Loyola University Chicago. Retrieved 24 July 2015. 
  3. ^ Zhang, Peng (2010). Advanced industrial control technology (1st ed.). Amsterdam: William Andrew/Elsevier. p. 393.  

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