Traffic Engineering (fwd)

bmanning at ISI.EDU bmanning at ISI.EDU
Thu Sep 18 14:58:41 UTC 1997

> > See, the really neat thing about the 'net is it *removes* the geographical
> > locality as a barrier.
> > 
> > Search engines, as primitive as they are now, make it much easier to find
> > whatever specific item you're looking for, and odds are overwhelming that
> > it's not on your neighbors server.
> So perhaps what we need is a way for search engines to determine what's 
> "close" - geographically, politically, or speed-wise.  This isn't particularly
> easy to do, but if it was implemented and only worked, say, 15% of the time,
> it'd still make things look that much faster.
> Idea: what about a search engine that understands a BGP table?  I'm thinking
> that something like Hotbot, which returns search results with several places
> to find the same page, goes through a process like this:
> 1)	perform the query.
> 2)	if your query returns multiple places to get the same page
> 		a) look at the AS_PATH for the querying IP address
> 		b) look at the AS_PATHs for the found pages
> 		c) Determine and return the "closest" one - perhaps the one
> 		    whose AS_PATH is most like that of the querying host.
> This is a bit rough (off the top of my head, first thing in the morning), but
> you could do a bunch with it.  Search engines, for example, that optimize for
> search speed vs. retrieval speed, come to mind.
> Anybody out there have any spare venture capital? :)
> eric
> > --- David Miller

Can you say Landmark or Rondeeaux

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