[dns-operations] v6, fragmentation, DNS

Paul Vixie vixie at isc.org
Sun May 23 02:51:01 UTC 2010

> From: Joe Abley <jabley at hopcount.ca>
> Date: Sat, 22 May 2010 20:02:52 +0200
> On 2010-05-22, at 19:09, Paul Vixie wrote:
> > ... also, ipv6 is better, in how it handles fragmentation.
> Your comment above suggests that there is some other thinking that is at
> odds with my crude summary (in which case please point out my
> foolishness), or else you really mean "v6 is better in that the minimum
> interface MTU is 1280 bytes rather than 576".

i mean both. in-network fragmentation was always a layering violation
compared to the way ip pushed everything else out of the network and
into the edges. bind's method of coping with this works fine, and i
suggest that other dns implementations implement similar logic.

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