Ray, On 06/08/2013 01:06 PM, Ray Hunter wrote: > I was thinking something along the lines of: > > - The preferred length of a Hop by Hop extension header for optimized > forwarding in hardware is always 16 octets long. > > - the Hop by Hop EH may be present exactly once, or not present, and is > always transmitted directly after the IPv6 header (already the case in 2460)
I'd say one should enforce a "each EH can be present at most once". ANd, me, I'd limit the EH chain to 1280 octets (at most) -- even that is kind of irrational: 1280 is the IPv6 minimum MTU... so we'd be allowing packets that are 100& overhead. Cheers, -- Fernando Gont SI6 Networks e-mail: [email protected] PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492 -------------------------------------------------------------------- IETF IPv6 working group mailing list [email protected] Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
