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From: blume_h@slbh03.bln.sel.alcatel.de (H. Blume von Contributed)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: FreeBSD router, as good as a harware router ?
Date: 24 Jan 1996 16:30:46 +0100
Organization: Alcatel SEL
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References: <4cof7j$59@news.mistral.co.uk> <4cpu39$sft@uriah.heep.sax.de>
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In-reply-to: j@uriah.heep.sax.de's message of 17 Jan 1996 22:35:13 GMT
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>>>>> "Joerg" == J Wunsch <j@uriah.heep.sax.de> writes:
In article <4djtj1$d6u@uriah.heep.sax.de> j@uriah.heep.sax.de (J Wunsch) writes:
Joerg> blume_h@slbh03.bln.sel.alcatel.de (H. Blume von Contributed) writes:
>> interestingly, ANS seems to use IBM RS6000 with some gated as routers
>> for two to three 45Mbps plus FDDI interfaces.
Joerg> This ain't the question. The problem is, hardware routers start
Joerg> analyzing an incoming packet for its destination address as soon as
Joerg> the header arrived at the NIC, and so they have the chance to route it
Joerg> before the entire packet went in. This is something you cannot
Joerg> achieve with the traditional NIC architecture used in a Unix machine.
Joerg> For an FDDI interface, this might get you 80 Mbps, as opposed to the
Joerg> `lame' 45 Mbps of your Unix solution. (Or, translated to the standard
Joerg> Ethernet, 800 kbps for a hardware router, as opposed to 400 kbps for a
Joerg> Unix-based solution.)
my sentence should have been "... two to three 45Mbps serial interfaces
plus a FDDI interface". sorry for the ambiguity.
hb
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