Phil, this statement is incorrect. Even a VERY heavily loaded ethernet if properly configured sees low collision rates. Ethernet does carrier sense; i.e. you don't start to send anything unless you detect the cable is idle, so the only time collisions occur is when two stations attempt to transmit at almost the same instant (determined by the propogation time of the transmission line). Note that some people's ethernet segments are improperly configured, losing carrier sense (by chaining too many levels of repeaters). Such a network may have a non-trivial collision rate. This is a violation of the ethernet spec, and you deserve what you get. If you see a significant collision rate on an ethernet, it is a VERY strong indication that your network is actually broken. - JimReceived on Thursday, 8 February 1996 08:54:03 UTC
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