[Yeti DNS Discuss] An IXFR Fallback to AXFR Case

"Davey(宋林健)" ljsong at biigroup.cn
Thu Apr 28 10:16:05 UTC 2016

> 在 2016年4月28日,17:44,Stephane Bortzmeyer <bortzmeyer at nic.fr> 写道:
>> To ask for adopt of IXFR-only draft and recommend it as default IXFR
>> protocol for MZSK situation
> I do not see how it would help: IXFR would fail and then, without
> fallback (to AXFR), the slave would not be updated.
IXFR-only means do not use AXFR but sending IXFR query to other servers, until it finds previous server with recognized RRSIG...

> There is also a fourth solution you do not mention: tie each slave
> root server to a specific DM. This would decrease redundancy and
> resiliency but would allow normal IXFR, and may make debugging easier.
Yes it works, as a recommendation for IXFR client to stick to only one server, unless the server failed. 

Davey Song(宋林健)
ljsong at biigroup.cn

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