Christopher Morrow wrote: > On Mon, May 26, 2008 at 5:12 PM, Suresh Krishnan > <[EMAIL PROTECTED]> wrote: >> Hi Bernd, >> >> [EMAIL PROTECTED] wrote: >>> Hi all, >>> >>> I'm contacting you as I've a question regarding the Hop-by-Hop header >>> option 'Router Alert' and its exact use. I hope I don't disturb you... >> I am generally against any new proposal that uses hop by hop options >> (including router alerts) since they could increase the processing loads >> on intermediate routers and could be used as a DoS vector, >> > > most larger ip backbones today don't pay attention (drop/ignore) > Router-Alert ip-options in ipv4, I don't expect that trend to change > in ipv6... If you are planning on using hop-by-hop or router-alert in > ipv6 you probably are planning on a failed solution.
Amen to that. I think the IETF needs to advise people to not use these to design new protocols. I did volunteer to write up a document stating just that, but there was sufficient interest in keeping these options alive. Cheers Suresh -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------