Date: Wed, 19 Jun 2002 10:56:17 -0400 From: Peter Radcliffe <pir@pir.net> To: freebsd-mobile@FreeBSD.ORG Subject: Re: wireless lans with multiple accesspoints Message-ID: <20020619145617.GB23903@pir.net> In-Reply-To: <20020619140053.B1FA35D04@ptavv.es.net> References: <20020619084119.C27055@gilberto.physik.rwth-aachen.de> <20020619140053.B1FA35D04@ptavv.es.net>
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Kevin Oberman <oberman@es.net> probably said: > The use of that term goes way back and it really is no longer > appropriate in the era of full-duplex where collision simply don't > exist. But it matters here. It is still appropriate in the era of full-duplex, and collisions do exist even with full-duplex switches. Switches are still the same broadcast domain, you can still get collisions for any packet that is not unicast or is broadcast to all ports by the switch for another reason. If the per port buffering is small or there is just too much traffic ... it's much, much less likely to happen, but can still happen. Some switches produce collisions to signal the kit on that port to back off if the egress port is highly congested, for example. P. -- pir pir-sig@pir.net pir-sig@net.tufts.edu To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message
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