Katrina Network Damage Report
Sean Donelan
sean at donelan.com
Sat Sep 10 14:18:25 UTC 2005
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 in other words, one that has been withdrawn from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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