Re: [Int-area] RAO for IPv4

Thomas Narten wrote:
> But there are no defined IPv4 Router Alert Option values (other than
> zero), and it would be inappropriate to change the semantics of any
> existing usages (too late for that) and it would also be inappropriate
> to consider doing this in the absense of a specific new application
> that would make use of a new value. This document does not propose
> such a new usage.

It is not clear to me that there are "no defined IPv4 Router Alert 
Option values (other than zero)". The counter-example (as identified in 
section 3 of the draft we're discussing) is RSVP aggregation in RFC3175 
(in particular sections 1.4.9 and 6).


Andrew