Hi, James, For clarification, is your comment just a positive remark about SCTP, or is it suggesting that SCTP could work without hosts knowing their global addresses. (If it is the former, it doesn't go against what I wrote; if it is the latter, I don't see how it can work.)
Regards, RD Le 2 nov. 2010 à 16:05, james woodyatt a écrit : >> On Nov 2, 2010, at 01:25 , Rémi Després wrote: >> ... >> SCTP depends on hosts knowing their global addresses, and the same holds for >> SHIM6. >> Both are therefore incompatible with all variants of NAT66 as specified >> today. > > Actually, SCTP uses IP addresses in pretty much the same way as TCP and other > connection-oriented transport protocols. From the perspective of a NAT, > however, the requirements to maintain state for SCTP are quite a bit simpler > than for TCP and other protocols. You only need to hold onto the interior and > exterior IP addresses of the association endpoints, unified by the > verification tag for each association. No port translation is necessary-- > it's not even helpful for the purposes of address amplification. The > addresses are amplified in the 32-bit verification tag, not the port numbers. _______________________________________________ nat66 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nat66
