2012/2/15 Washam Fan <[email protected]> > Hi Maoke, > > Just one point. Please see inline. > > > i don't think MAP standard have nor should have such a limitation. A > > MAP-compliant device supports UDP, TCP, DCCP, SCTP today, with the same > > logic, and will support any emerging L4 protocol in the future, again > with > > the same logic. requiring L4 checksum update for any supported protocol > > makes it a stable standard, and the checksum update logic is stable for > any > > protocol. in 4rd-U, however, with the R-22 (3), today it can support UDP, > > TCP, DCCP and SCTP-variant(? not sure due to lack of personal knowledge), > > while if tomorrow we have a new protocol XXXP: > > Please keep in mind both MAP and 4rd-U are transition techniques, from > a long-term perspective, they might disappear before any new L4 > protocol invented;) >
good point! but, ... if they are really transition-able ;) i am not so optimistic. on the other hand, the thread is talking on whether BR needs to be changed or not for new L4 protocol. ;-) best, maoke > > washam >
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