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

["Joseph T. Klein" <jtk () titania net>]

Some cites have peering and co-locations diversity, some don't.

InfoMart & Westin Building come to mind. Those should rank high
by your list.

At 13:19 -0400 25-09-2001, Sean Donelan wrote:
> On Mon, 24 Sep 2001 bmanning () vacation karoshi com wrote:
> >  > > When 25 Broadway failed, approximately 1% of the global Internet
> >  > > routing  table also disappeared.  Which I would guess qualifies it
> >         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.
>
> The Internet as we know it is just a collective illusion.
>
> You are correct from one side of the partion, 99% of the routes
> disappeared and on the other side 1% of the routes disappeared.
> I checked four different BGP feeds from a mix of providers, and
> they were fairly consistent.
>
> But percentage of routes is just one way to measure "importance."
> It may not be the best way.  Other methods include
>
>    1. Number of stock options owned by Very Important People
>    2. CAIDA skitter traces of routers of confluence
>    3. Number of OC-192 links in a building
>    4. Number of "Tier 1" providers in a building
>    5. Government fiat
>    6. Wait for the building to fall down and see what happens
>
> Assuming there are locations more impotant than others, should
> we do anything?  Or should we just hope no one else figures out
> where they are?


--
Joseph T. Klein                                         +1 414 915 7489
Senior Network Engineer                                 jtk () titania net
Adelphia Business Solutions                joseph.klein () adelphiacom com

    "... the true value of the Internet is its connectedness ..."
                                                 -- John W. Stewart III