Le 8 mars 2010 à 16:43, Ole Troan a écrit : > but you are making an argument that _every_ IPv6 link should be a maximum of > 1280 bytes. I don't think that is something 6rd should prescribe.
Only every IPv6-enabled link where it is not known, by some exterior means, that larger MTUs will work for all possible e2e paths. In my understanding, we MUST prefer a 100% reliable connectivity to a 15.6% gain in MTU size (1480 instead of 1280, working in typical cases but not in all). Now, if one could prove that there is no more blackhole possibility with 1480 than with 1280, I would be glad to withdraw my proposed amendment. But the available proof is rather that blackholes are possible with 1480, and not with 1280. (I have not been aware of this for long, but being now well aware, I believe there is no real choice.) Like others, I am not enthusiastic about this, and will work improve the future, but let's be consistent in the present, and make IPv6 reliable. Cheers, RD _______________________________________________ Softwires mailing list [email protected] https://www.ietf.org/mailman/listinfo/softwires
