On 2/25/2015 4:01 PM, Templin, Fred L wrote:
...
I have proposed sending PTB with MTU less than 1280 before as well:
http://www.ietf.org/archive/id/draft-templin-6man-linkadapt-01.txt
The idea is to enlist the original source’s aid in easing the frag/reass
burdens from the tunnel ingress and egress.
IMO, PTB is the wrong message for that.
We don't have a good one to express "preference" vs absolute capability;
PTB is absolute capability, and I don't agree that it should be abused
this way.
Joe
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