agibson at confabulator.net
Wed Aug 9 15:51:42 UTC 2006
root at rithy4u.net wrote:
> Dear All,
> Can we use FreeBSD in Telecom industry? If I want to build an Internet
> Backbone which connect across country in asia. Is it suitable? How is
> its stability of routing compare to Cisco?
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juniper routers do exactly this (freebsd for network routing protocols,
asics for hardware forwarding). Not sure how they compare to Ci$co (I'm
assuming cost is driving factor for evaluating freebsd as a routing
freebsd can do bgp/ospf/etc with software such as: quagga or zebra, or
the newer xorp.
some people have used freebsd as a routing platform for large networks,
see occaid.org (their network was built with freebsd/quagga and ip-ip
tunnels, although they did have some juniper m5s)
what you will probably find is that routing in software may not offer
the performance required for a backbone network. This is of course
dependent on your needs, and some people (occaid) have achieved
line-rate (small packets) ip forwarding with intel pro 1000 cards and
some patches to enable fastforwarding for ipv6 in freebsd.
hope this is of some help. I can't give any numbers with regard to
stability -- quagga/zebra did have some issues as I recall.
for large amounts of traffic it may help to enable device driver polling
to reduce interrupt overhead.
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