North American Network Operators Group

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RE: multihoming without BGP

  • From: Rodney Joffe
  • Date: Wed Jun 11 15:29:14 1997



> -----Original Message-----
> From:	Paul A Vixie [SMTP:[email protected]]
> Sent:	Wednesday, June 11, 1997 11:35 AM
> To:	[email protected]
> Subject:	Re: multihoming without BGP 
> 
> <snip>
> 
> The way I think of this is that BGP describes reachability, and
> clients need
> to know about topology in order to select the right web server, and
> these two
> (reachability and topology) are necessarily unrelated to each other.
> 
> I think that there is another important element or metric that is not
> served by either - packet loss across the path. You know a server is
> reachable - BGP tells you. If you know the topology, you know it is
> "close". But looking at a typical day at MAE East, for example, when
> you take into account the packets that end up being dropped, it may
> *not* be the 'best' path. 
> 
> 
> Rodney Joffe
> Chief Technology Officer
> Genuity Inc., a Bechtel company
> http://www.genuity.net
>