Ethernet Switch

An Ethernet switch allows you to send data to specific computers on your local area network (LAN) rather than to all. It will “read” a data packet, work out where it is meant to be going and send it on only to its intended recipient. It can enable transmission of data between several pairs of computers at the same time, at high speeds.

A LAN based on Ethernet switches will be faster and more secure than one based on an Ethernet hub. This is because with a hub, any data sent is transmitted to all PCs in the network. This slows down the network. Additionally, if two computers in the LAN try to send data at the same time, it causes a collision – and all computers on the network then go through a specific routine to fix it – again, causing speed reductions.

By Sarah at UK Broadband Finder
Read my Broadband Glossary disclaimer

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