Re: [dns-wg] Analysis of NSD

Jay Daley <td@nominet.org.uk>:

As it happens we use probing not NOTIFY since it gives a greater level of control over the number of secondaries being updated at once (and the

NOTIFY already specifies precautions against a 'rush', although implementations may differ and depending on the size of the zone 'at once' may have different meanings.

bandwidth) and the order in which they are updated. This does rely on strict calculations of the timings of changes and probes but that is fairly easy to do.

How about sending the NOTIFY messages out of band instead of relying upon retry (and not refresh?)? There's a little 'DoS' potential, though. -Peter