North American Network Operators Group
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Re: IPv6 Advertisements

  • From: Donald Stahl
  • Date: Tue May 29 14:49:04 2007 

I understand the problems but I think there are clear cut cases where
/48's make sense- a large scale anycast DNS provider would seem to be a
good candidate for a /48 and I would hope it would get routed. Then again
that might be the only sensible reason...

Don't give people an excuse to deagg their /32
RIPE may only give out /32's but ARIN gives out /48's so there wouldn't be any deaggregation in that case.

It's a question of cost versus benefit.

Does it make more sense to save a routing table entry- or reduce traffic by localizing DNS through anycasting?

-Don