nanog mailing list archives

Re: CIDR FAQ


From: Nathan Stratton <nathan () netrail net>
Date: Tue, 15 Aug 1995 20:08:39 -0400 (EDT)

Ok, so you could not use a proxy server unless you Ogot some other NSP to 
set up a server also? Is this correct? I want to set up a MAE-East 
connection, I have a 4000 and only 16 megs or ram. Would I be able to set 
up a PC as a route server and not need 64 megs or ram in my router? 

Tue, 15 Aug 1995, Nicolas Williams wrote:

Dave Siegel previously wrote:

As I recall the original discussion was of colocating a router, to forward
packets, with a workstation, to compute routes.

So what would the normal implementation of such a design be?  ebgp-multihop
all of your peers into the PC, and then a single peering session the Cisco,
presuming no "next-hop-self" routes?

No. Colocated BGP4 "proxies" (I'm still not sure what to call these,
anyone?) would peer via EBGP with other ASes BGP4 "proxies" on the same
net. The next_hop BGP4 attribute on all routes exchanged would be that
of the routers on the high speed interconnect, not of the "proxies."
ASes that do not implement this would still peer via EBGP
router-to-router as usual and would not see the "proxies;" eventually
everyone would move towards having "proxies" or else router vendors
would beef up their products, either way, we're all happy.

I can see some amount of value in such a design, if it could be made to work
correctly.  Does anybody have the spare equipment to build a lab?  (pfeh, yeah,
right)

It would work (see the comment on the next_hop BGP4 attribute above).

I'm sure there are folk out there that would be willing to experiment,
all you need is for two ASes to try it at some exchange (and permission
by the exchange to run the necessary ethernet).

Dave

-- 
Dave Siegel                  Director of Engineering, Net99
http://www.webcity.com/              (602)249-1083 24x7 NOC line
http://www.rtd.com/~dsiegel/ (520)318-0696 My Tucson Office



Nick



Nathan Stratton           CEO, NetRail, Inc.    Your Gateway to the World!
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