> John Levine <mailto:jo...@taugh.com> > Monday, February 23, 2015 5:46 PM > > I suspect someone who didn't understand DNS very well said that once > in a paper or meeting or web page, and it spread cargo-cult style > across the Internet. > > "Authoritative" makes sense.
in the sense that the transfer occurs asynchronous to query/response transactions, and given that the hated [RFC1035 4.2.2] contains the words, "The server should not block other activities waiting for TCP data", i think we could pretend that "A" stood for "asynchronous" or anything else we wanted, at this late stage of the game. consider also this [ibid] text: > 6.3. Zone refresh and reload processing > ... > If a master is sending a zone out via AXFR, and a new version is created > during the transfer, the master should continue to send the old version > if possible. In any case, it should never send part of one version and > part of another. If completion is not possible, the master should reset > the connection on which the zone transfer is taking place. which purposely and explicitly makes the zone transfer process asynchronous from any query/response stream. however, AXFR was never an acronym, and there is no original meaning to be discovered here. in [RFC1035 3.2.3] there is one line of text: > AXFR 252 A request for a transfer of an entire zone and it's the definition of the QTYPE, not the overall transaction that the QTYPE is part of. i think the safest thing is to not invent an acronym, but rather, let the QTYPE definition stand as written. -- Paul Vixie
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