Le 15 janv. 2011 à 23:59, Hing-Kam (Kam) Lam a écrit : >> If the firewall will just dig one layer deeper and then discard >> anyway, what is the point? > > It wouldnt in all the cases - not when the Hdr type is 00.
If the draft is adopted, the more precise situation becomes: - NEITHER that all FW's will "discard anyway" - NOR that all FW's will accept packets "in all cases" when Hdr type is marked as skippable (00) - BUT that FW's, load balancers, etc., MAY accept packets containing new header types marked as skippable. Without the draft, it is impossible to skip a header of a new type, and to process subsequent headers for whatever policy applies to them. The draft introduces a new flexibility for those who are interested in using it, and it won't do any harm to others. (In particular, vendors of FW's who prefer to always discard packets containing all unknown header types MAY continue to do so.) Diversity and experience of authors of this draft shows that, even if some others aren't interested, there is a demand.. I therefore support quick adoption of this draft. Regards, RD -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
