Points of Failure (was Re: National infrastructure asset)
Joseph T. Klein
jtk at titania.net
Tue Sep 25 23:43:17 UTC 2001
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 at 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 at titania.net
Adelphia Business Solutions joseph.klein at adelphiacom.com
"... the true value of the Internet is its connectedness ..."
-- John W. Stewart III
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