Use UDP for (small) incremental zone transfers?

Greg Choules gregchoules+bindusers at googlemail.com
Fri Jan 13 07:09:44 UTC 2023


Sending from the correct email alias!

Hi again.
How many is "many"? A busy server will be handling many 1000s of queries
per second. A few (tiny) zone transfers per minute will be background noise
compared to that and the extra overhead of TCP will be negligible
in comparison. IMHO it's not worth worrying about.

Cheers, Greg

On Fri, 13 Jan 2023 at 06:19, Jesus Cea <jcea at jcea.es> wrote:

> On 13/1/23 7:12, Greg Choules via bind-users wrote:
> > Hi Jesus.
> > No. Zone Transfer always uses TCP. Is it really that much of an overhead
> > for you?
>
> Not now, but it could be in the future, with many secondaries and many
> (tiny) updates per minute.
>
> Per your answer, I understand that zone transfers in current bind are
> TCP-only.
>
> Thanks.
>
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