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Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?

sthaug@nethelp.no Fri, 13 November 2015 20:50 UTC

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Subject: Re: [v6ops] draft-ietf-v6ops-ula-usage-recommendations - work or abandon?
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> > So you want to do the map lookup every time a packet traverses one of
> > these routers?  Or should the Prefix->Candidate Transit ASNs map be
> > distributed everywhere, like, with BGP, so all these routers get to hold
> > 100M map entries all the time?
> 
> There$,1ry(Bs a difference between caching part of a  map in RAM for active flows and
> having to cache an entire routing table for all possible destinations with full path
> information and multiple alternatives.

Caching active flows has been tried before, repeatedly, and unfortunately
it doesn't scale.

Steinar Haug, AS 2116

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