[dns-operations] PMTUD of .org servers

Michael Graff mgraff at isc.org
Sat Jun 20 19:10:50 UTC 2009

On Jun 20, 2009, at 12:08, "Sam Norris" <Sam at ChangeIP.com> wrote:

>> Do you think it's okay if root or TLD operators require a 1500 path
>> MTU to resolvers?
> Isn't every DSL provider something like 1460 MTU ?  There are too  
> many PPPoE clients to force a 1500 MTU.

My assertions remain constant here. I think any fragmentation is at  
risk of being filtered. Therefore I see no difference between udp with  
and without pmtu. I just think pmtu in this context is useless overall.


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