[bind10-dev] some other details about differences

[Michal 'vorner' Vaner]

Hello

On Sat, Oct 15, 2011 at 09:41:35PM +1100, Mark Andrews wrote:
> For normal operations you don't need to keep deltas longer than expire
> seconds.  After that point all slaves should have discarded the zone
> if they havn't been able to transfer it.

This is indeed a nice heuristic when to delete them. However, being strict, if the
slave data are older than the expire, it means they can't be served, I'm not
aware of anything that would require them to be directly discarded or would
forbid their use to „compress“ the transfer using IXFR. If we use this to delete
the diffs, we should at last provide a way to turn it off.

With regards

-- 
2 keys should be enough for everyone

Michal 'vorner' Vaner
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