[31194] in North American Network Operators' Group
RE: Confussion over multi-homing
daemon@ATHENA.MIT.EDU (Alex Pilosov)
Fri Sep 15 18:29:08 2000
Date: Fri, 15 Sep 2000 18:31:03 -0400 (EDT)
From: Alex Pilosov <alex@pilosoft.com>
To: Dmitri Krioukov <dima@krioukov.net>
Cc: Alex Pilosov <alex@pilosoft.com>, nanog@merit.edu,
David Lott <dlott@msncomm.com>
In-Reply-To: <NCBBIKACLKNMKDHKKKNFCEANEPAA.dima@krioukov.net>
Message-ID: <Pine.BSO.4.10.10009151829090.2550-100000@spider.pilosoft.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
On Fri, 15 Sep 2000, Dmitri Krioukov wrote:
> > 2. It only protects you from failure of a link from you to upstream, not
> > from upstream losing their connectivity, power, or flapping like crazy and
> > getting dampened. In my experience, latter happened more often than first.
> > :)
>
> note that "non-direct ebgp" peering on the picture can actually be between
> e-br-a and *any* router in isp-b, not necessarily isp-br-b. this way your
> real problem 2 is solved.
Not really. If the 'internet defaultless core' routers drop the route to
ISP-B, then you are still completely screwed.
-alex
