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From: tron@lyssa.owl.de (Matthias Scheler)
Newsgroups: comp.unix.bsd.misc,comp.unix.bsd.bsdi.misc,comp.unix.bsd.freebsd.misc,comp.unix.bsd.netbsd.misc
Subject: Re: Running several networking cards in one system?
Date: 21 Jan 1997 01:25:04 +0100
Organization: Privates Internet Ost-Westfalen-Lippe
Lines: 17
Message-ID: <5c12d0$pjl@colwyn.owl.de>
References: <6OBfLaMbNgB@me-tech.pfm-mainz.de> <5ar8e1$prf@nike.volvo.se>
<5ari97$o01@innocence.interface-business.de>
<6OVunZMMNgB@me-tech.pfm-mainz.de>
<5b05fe$4aj@innocence.interface-business.de>
<6OW5ep16NgB@me-tech.PFM-Mainz.de>
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Xref: euryale.cc.adfa.oz.au comp.unix.bsd.misc:1902 comp.unix.bsd.bsdi.misc:5588 comp.unix.bsd.freebsd.misc:34014 comp.unix.bsd.netbsd.misc:5160
In article <6OW5ep16NgB@me-tech.pfm-mainz.de>,
mschmidt@me-tech.PFM-Mainz.de (Michael Schmidt) writes:
> With load balancing I mean that the drivers or administering processes of
> the system (FLEET in QNX) check which networking card is under more load
> than the other ones and then balance the load and distribute the network
> traffic among the networking cards, ...
I don't think that this makes sence for two reasons:
a) Many protocolls especially UDP are bound to a single IP address. Mixing
the interfaces could cause heavy problems with e.g. NFS.
b) *One* $100 PCI ethernet card can easily use 100% of the bandwidth of a
normal Ethernet, a second one won't help.
--
Matthias Scheler http://colwyn.owl.de/~tron/