In message <[email protected]>, Ray Hunter writes: > > Ted Lemon <mailto:[email protected]> > > 4 March 2015 03:21 > > On Mar 3, 2015, at 4:55 PM, Ray Hunter<[email protected]> wrote: > >> One hour TTL could mean 24 times the DNS traffic compared to that historic > norm. It also could mean (re)signing DNSSEC zones more than 24 times per day > as hosts move around the homenet....... > > > > Caching is really only interesting for query clusters and frequently access > ed domains. I don't think there is any reason to expect that there will be > performance issues for homenet names, which I would expect would be infrequen > tly accessed by relatively few resolvers. > If I'm following draft-ietf-homenet-front-end-naming-delegation, then > the hidden master is also located within the Homenet. > > Doesn't that mean that the (hidden master) DNS server itself also has to > be renumbered? > > And the new content synched with the slave servers (outside of homenet) > in a timely manner, before the old prefixes are expired? > > Are the values suggested in section 4.2 for SOA appropriate then? > > I understood a zone transfer was only triggered when the SOA contents > changed, and that was only checked once the slave refresh timer had expired.
Zone transfers on SOA timer expiry very rarely happen these days. NOTIFY messages are the usual trigger. > >> You either have more name resolution traffic (every day), or you have more > temporary addresses and old prefixes hanging around for longer (during a ren > umbering event, which is presumably not every day). > > > > Temporary addresses don't belong in the DNS. Stale information doesn't be > long in the DNS. This seems like a no-brainer to me. > > > > -- > Regards, > RayH > > _______________________________________________ > homenet mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/homenet -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: [email protected] _______________________________________________ homenet mailing list [email protected] https://www.ietf.org/mailman/listinfo/homenet
