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 In At The Bleep EndSunday, September 02, 2007
The difference between a hub and a switch On a small network of very few computers, not much. On a bigger network, switches give much better performance... "Hubs operate using a broadcast model and switches operate using a virtual circuit model. When four computers are connected to a hub, for example, and two of those computers communicate with each other, hubs simply pass through all network traffic to each of the four computers. Switches, on the other hand, are capable of determining the destination of each individual traffic element (such as an Ethernet frame) and selectively forwarding data to the one computer that actually needs it. By generating less network traffic in delivering messages, a switch performs better than a hub on busy networks." "The net result of using a switch over a hub is that most of the network traffic only goes where it needs to rather than to every port. On busy networks this can make the network significantly faster." http://www.duxcw.com/faq/network/hubsw.htm http://www.darron.net/network/secondpage.html http://ask-leo.com/whats_the_difference_between_a_hub_a_switch_and_a_router.html http://compnetworking.about.com/od/hardwarenetworkgear/l/blfaq011.htm |
