The ultimate routing loop?

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Fri Apr 20 12:24:43 UTC 2001


 you could refer to the discussions held at the joint ISOC/IETF mtg
 in Montreal in 1996 about injecting host routes for critical 
 infrastructure support services.



> 
> 
> I'm in washington this week, and as usual, some of the strangest
> ideas come up.
> 
> Suppose I wanted the best chance for my packet to get through, no
> matter what tier 1, 2, 3 network was still operating between points
> A and B.  I designate a "special" IP address block, and arrange for
> the top 10 providers to accept announcements for the block both
> directly, and transit through any of the other 10 providers.  This
> would allow transit via a third-party network to restore connectivity
> across a partioned AS.  For this network block, other than BGP loop
> detection, it would bypass the normal peer/transit/peer filters.
> 
> If a AS was partioned, you might see a route cross two or three
> primary backbones, and even the same backbone twice.  But if the
> packet went through, its worth it.
> 
> The questions is: Are more available paths really better?  Or does
> it just create more instability?
> 
> 
> 
> 





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