[address-policy-wg] Policy Change Request - Allow address allocations for anycast DNS operation
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Gert Doering
gert at space.net
Tue Jun 15 13:18:05 CEST 2004
Hi, let me clarify a few things: On Tue, Jun 15, 2004 at 12:19:32PM +0200, Joao Damas wrote: [..] > Good up to here. > > >. This is meant as kind of > >guidance - "deploy one set, and if that's well understood and > >you want to deploy another set, feel free to come back". > > the "come back" part spoils it. Some people already understand this > pretty well, no need for a several step ballet. Maybe the wording wasn't too clear here. I don't want to imply "you MUST deploy one anycast set first, and then wait 3 months, and then come back for the second anycast set" (and it's not in the proposal text either). This is just the way I had envisioned it to happen "in the general case". [..] > >Along that lines, there has been some confusion about redundancy. An > >important clarification is that it's not expected to put *all* > >nameservers > >into the (single) anycast prefix, but have "unicast" servers and one > >(or "few") anycast sets. So if the anycast prefix is unavailable from > >some networks, clients will fall back to one of the unicast servers. > > This could be the subject for a BCP sort of document by the DNS wg, but > it has no place in an IP allocation policy. Which is exactly why it's not in the proposed text. It's just there to explain "background thoughts" - and I agree that a DNS wg BCP document would be a good place to write it down. Gert Doering -- NetMaster -- Total number of prefixes smaller than registry allocations: 60210 (58081) SpaceNet AG Mail: netmaster at Space.Net Joseph-Dollinger-Bogen 14 Tel : +49-89-32356-0 80807 Muenchen Fax : +49-89-32356-299
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