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Lloyd Wood wrote: > > On 5 Jun 2009, at 17:28, Joe Touch wrote: >> Lloyd Wood wrote: >>> >>> On 5 Jun 2009, at 15:54, Joe Touch wrote: >>>> Lloyd Wood wrote: >>>> ... >>>>> Do the internals of TCP change when it's running over IPv4 vs IPv6? >>>>> Does the interface to upper layers change? >>>> >>>> Actually, yes - the pseudoheader over which the checksum is computed >>>> channges. So too does ICMP signalling, setting of the DF bit for >>>> fragmentation discovery (clearing it doesn't have the same effect in v6 >>>> as in v4), etc. >>> >>> ...so, by analogy, there's likely a need to describe HTTP over different >>> transports, what is different, and what changes. >> >> Yes - I thought that's where they were going with the SCTP stuff. > > Right. But are there more general 'HTTP over transport X' rules or > conventions that need to be described? I'd hope that a general decoupling would be useful, then a set of mappings, one for each transport. That sort of regularity hasn't been common - either in the IETF as a whole or in the past evolution of HTTP, though ;-) Are we trying to encourage them to do that, or just overseeing how it evolves? Joe -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iEYEARECAAYFAkopVIQACgkQE5f5cImnZru7PACg31wGrLx1gwpynrSdaetHlsUp SrsAn3eCBDifc+bsq6Ix/caVoU+niyT9 =M0wX -----END PGP SIGNATURE-----
