HIi, Tom, On 5/3/19 13:42, Tom Herbert wrote: > Hi Brian, > > On Mon, Mar 4, 2019 at 5:37 PM Brian E Carpenter > <[email protected]> wrote: >> >> Hi, >> > Hi Brian, > [... > - IPv4 already supports at least two extension headers, namely ESP and > AH. They might not be called extension headers, but they have the same > format and function as IPv6 cognates. > - There's no concept of HBH options in IPv4 as needing to be processed > by every node in the path, so the relaxed processing requirement of > RFC8200 can be set from the start without legacy issues.
Aren't all IPv4 HBH optons, essentially? > - This doesn't actually change IP header, it is just enabling new > values in the protocol field. In a host implementation this is very > straightforward and in some ways it's a simplification to to be more > like IPv6. Haven't checked the I-D yet. Quick question: do you expect NATs parse past this EHs to be able to do NAPT as they do nowadays? Thanks! Cheers, -- Fernando Gont SI6 Networks e-mail: [email protected] PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492 _______________________________________________ Int-area mailing list [email protected] https://www.ietf.org/mailman/listinfo/int-area
