[90694] in North American Network Operators' Group
Re: IP failover/migration question.
daemon@ATHENA.MIT.EDU (Edward B. DREGER)
Sun Jun 11 23:39:09 2006
Date: Mon, 12 Jun 2006 03:36:53 +0000 (GMT)
From: "Edward B. DREGER" <eddy+public+spam@noc.everquick.net>
To: nanog@merit.edu
In-Reply-To: <20060612023412.29205.qmail@web38107.mail.mud.yahoo.com>
Errors-To: owner-nanog@merit.edu
> Date: Sun, 11 Jun 2006 19:34:12 -0700 (PDT)
> From: ennova2005-nanog@...
> [A] somewhat cleaner way to do this would be to advertize a less
> specific route from the DR location covering the more specific route
> of the primary location. If the primary route is withdrawn, voila ..
> traffic starts moving to the less specific route automatically without
> you having to scramble at the time of the outage to inject a new
> route.
This certainly is easier if it's flexible enough. (If one desires high
splay across several locations, this approach is lacking.) The tough
part then becomes internal application consistency.
Eddy
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