Re: Comments/questions on Group A Section 2.7

From: Jeffrey Haas (jhaas@nexthop.com)
Date: Wed Mar 06 2002 - 11:02:14 EST


On Wed, Mar 06, 2002 at 11:43:38AM +0100, yong.b.jiang@telia.se wrote:
> As far as forwarding behavior is concerned, routers need to know the right
> NEXT HOP in order to forward packets correctly. This implies for a
> customer connected to the Internet through a provider, it is enough for
> its provider to converge since the customer will forward its packets to
> its provider anyway, even though it still has wrong knowledge about the
> global AS path.

Just because you are using a route for forwarding doesn't mean that it
will follow the AS_PATH of that route. The BGP mechanism to signal
that it might not (ATOMIC_AGGREGATE) isn't precise enought to give
you warning that this may not be the case.

> /Yong

-- 
Jeff Haas 
NextHop Technologies



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