On Sun, 12 Sep 2004, Christian Huitema wrote: > The suggestions of making the flow label immutable and protecting it by > AH look like bad ideas. The 20 bits in the "flow label" are the only > reserved bits in the header. These bits should be available for future > innovation. If we make them strictly immutable, how will we able to > create something like ECN in the future?
That seems like a moot point now, as the flow label *is* 20 bits. I guess it'd be very challenging to take any of that "back". FWIW, when we last discussed flow label, I suggested shortening it down to 16 bits and leaving 4 bits reserved, exactly for the purpose you said. That didn't get much traction.. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------