On Tue, Oct 21, 2014 at 2:38 PM, Hollenbeck, Scott <shollenbeck@xxxxxxxxxxxx> wrote: > Note the reference to Section 6 of the using-http document. It describes an > IANA registry for these prefixes. > ... > > > [SAH] That would open up a different can of worms with respect to “what if > they don’t?” questions. With no one else pushing back on this point (at > least not yet) I’d prefer to not introduce a 2119 term here. I agree with Scott, especially given the reference to Section 6 of draft-ietf-weirds-using-http. -andy