Randy, We have in common, as you know, the objective of IPv6 promotion, and that of NATs elimination as much as possible.
In this respect, changing now the IPv6 specification for hosts that configure IIDs having u=1, although no serious need has been identified, and this specification has ben used, would be in my understanding very counterproductive: stability of already used specifications is important for their success. => Concerning u/g bits: - OK to clarify what can easily be misunderstood - NOK to change the substance of the specification Hope you can agree. Regards, RD 2013-02-04 03:18, Randy Bush <[email protected]> : >>> i know. ipv6 is perfect, widely deployed, and unchangable. i hope >>> we all like v4 nat. >> I can find many reasons to remove the magic from the U and G bits. I >> personally ran into the U/G bit issues in RFC 4380 (Teredo) and RFC >> 6052 (IPv4-embedded IPv6 addresses). In both cases, the design would >> have been simpler if we had not try to maintain the fiction of the U >> and G bits. And CGA could definitely benefit from 2 additional bits of >> entropy. So this is not a change "just because." > > a prospective implementor looks at ipv6 and sees a whole bunch of twisty > passages of useless second system syndrome. there are more damn options > than the chicago mercantile exchange. and as there is no *strong* pull > from the market, all our pleas do not transform income you can sell to > your management. > > when multiple layers of ipv4 nat is financially more attractive than our > product, we have a very serious problem. we need to wipe the lipstick > off the pig and start selling straightforward port chops. > > except i fear it is far too late. > > randy > -------------------------------------------------------------------- > IETF IPv6 working group mailing list > [email protected] > Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 > -------------------------------------------------------------------- -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
