On Mon, Jul 09, 2007 at 08:53:05AM +0300, Lars Eggert <lars.eggert@xxxxxxxxx> wrote a message of 98 lines which said: > We have four standards-track transport protocols (UDP, TCP, DCCP and > SCTP) We have two standards-track protocols which have a reasonable chance of being able to go through whatever stuff links your network to the outside world. > Designers of applications and higher-layer protocols still have a > tendency to ignore SCTP and DCCP Because experience shows them that, unfortunately, they do not cross most firewalls and NAT devices? This is, sadly, yet another case of Internet ossification. _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf