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Date: Sat, 10 Sep 2005 10:18:25 -0400 (EDT) From: Sean Donelan <sean@donelan.com> To: Todd Underwood <todd@renesys.com> Cc: Randy Bush <randy@psg.com>, nanog@nanog.org In-Reply-To: <20050910120231.GO10333@renesys.com> Errors-To: owner-nanog@merit.edu On Sat, 10 Sep 2005, Todd Underwood wrote: > the general idea is: take a large peerset sending you full > routes, keep every update forever, and take a reasonably long (at > least a month or two) time horizon. calculate a consensus view for > each prefix as to whether that prefix is reachable by some set of > those peers. an outaged prefix is one that used to be reachable that > not no longer is. in other words, one that has been withdrawn from > the full table by some sufficiently large number of peers. This describes a partioning, not necessarily an outage.
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