happy CGN -- beating happy eyeballs and trending toward E2E success

Cameron Byrne cb.list6 at gmail.com
Wed Jun 13 03:55:07 CEST 2012

On Jun 12, 2012 6:28 PM, "Erik Kline" <ek at google.com> wrote:
> > Yes. It becomes an arms race.
> >
> > That said, any one got any good ideas to balance this out? Besides
> > that apple cares about the internet or the cgns will scale and work
> I can't claim credit for the idea, but perhaps instead of playing TTL
> tricks CDNs can just load-balance differently.  If the requested query
> type is an A RR, and the resolver's source IP is one of those known to
> have v6 clients (or not one of those known to have broken v6) send
> them to a datacenter that's a bit further away that the v6 datacenter.

That is pretty good, in fact much better than playing TTL games, but not
ideal because some network operator must assume the cost of additional

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