Le 1 oct. 2010 à 21:35, Brian E Carpenter a écrit : > > On 2010-10-01 20:29, Rémi Després wrote: >> Le 1 oct. 2010 à 02:00, Brian E Carpenter a écrit : >>> On 2010-09-30 20:01, Rémi Després wrote: >>>>> ... >>>>> Our question is: "Is this usage compatible to RFC 3697?" We posted this >>>>> question to Softwires and we were told to also ask 6man for input. >>>> With RFC 3697 as is, it doesn't seem to be compatible. >>>> This is because the RFC specifies a very specific way to assign FLs to >>>> flows. >>> I don't see the problem. The RFC leaves the packet source entirely free >>> to define a flow in any way it likes, and doesn't specify much >>> about the value of the flow label. >> >> Oops, thank you, my comment applies to RFC 2460 (not to RFC3697). >> (That is RFC 2460 that says "New flow labels must be chosen >> (pseudo-)randomly and uniformly from the range 1 to FFFFF hex.") >> > > Yes, in the non-normative appendix!
It would be better if the non-normative appendix wouldn't say this but, I agree, what I quoted isn't a formal incompatibility. RD > The only normative statement > in 2460 is in section 6: > "Hosts or routers > that do not support the functions of the Flow Label field are > required to set the field to zero when originating a packet, pass the > field on unchanged when forwarding a packet, and ignore the field > when receiving a packet." > > > Brian > >> Regards, >> RD >> >> >> >> >> >>> Brian >>> >>>> Now, in the revision under study, what you propose should IMHO be >>>> unambiguously permitted. >>>> (For a load-balancing application between BRAS and AFTRs, your proposal is >>>> clearly a good choice.) >>>> >>>> Regards, >>>> RD >>>> >>>>> Thanks, >>>>> Yiu >>>>> >>>>> -------------------------------------------------------------------- >>>>> IETF IPv6 working group mailing list >>>>> [email protected] >>>>> Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 >>>>> -------------------------------------------------------------------- >>>> >>>> >> >> >> > -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
