Re: Points of Failure (was Re: National infrastructure asset)

[bmanning () vacation karoshi com]

> Sean Donelan wrote:
> > On Mon, 24 Sep 2001, Bob Bownes wrote:
> > > But there was a point in time when taking out a certain parking garage
> > > in Va could have caused us a very great deal of difficulty. But I'd say
> > > we are past that, for the most part.
> >
> > Are we?
> >
> > When 25 Broadway failed, approximately 1% of the global Internet
> > routing  table also disappeared.  Which I would guess qualifies it
> > as a "major" hub.
>
> But does that mean that X number of sites were unreachable, or that
> there were simply Y number fewer routes to X sites? (Excluding those
> *directly* affected, ie; those *in* 25 Broadway)


        From what point did 1% of the routing table disappear?
        Was the same visable from multiple, diverse points?

        I expect that from some perspectives, 100% of the routing
        table disappeared and some places didn't even see a blip.

--bill