Re: Katrina Network Damage Report

[Todd Underwood <todd () renesys com>]

sean,

On Sat, Sep 10, 2005 at 10:18:25AM -0400, Sean Donelan wrote:
> 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  in other words, one that has been withdrawn from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.

can you explain what you mean?

t.


-- 
_____________________________________________________________________
todd underwood
director of operations & security
renesys - interdomain intelligence
todd () renesys com   www.renesys.com