Le samedi 26 août 2006 03:14, vous avez écrit : > The abstract mentions "IP tunnels of various forms", section 6 > explicitly mentions "IPv6 over IPv4 tunnels (RFC1933)". This in > special and the rest of the text makes it seems to be fully > applicable to all the other transition mechanisms. Simply copying > over the inner ToS/DS field to the outer one should be sufficient. Right, thanks. That's the first conceptual model from §3.1. I was merely wondering if it was recommended that 6to4, Teredo (and ISATAP?) use the first or the second model... it does not make much sense, I think, to have different model implemented by different nodes since they are all part of the same multi-point pseudo-tunnel. > I haven't seen any implementation actually doing this though, but it > could be that some implementations already do it in that manner. Anyway, I'm afraid this is hardly implementable in practice, since there is no IPv4-equivalent of the sendmsg() IPV6_TCLASS option, but that's slightly off-topic. -- Rémi Denis-Courmont http://www.remlab.net/
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