On 30/01/2014 05:15, Scott Brim wrote: > On Wed, Jan 29, 2014 at 10:57 AM, Dave Crocker <dhc@xxxxxxxxxxxx> wrote: > >> I take your suggestion to reduce to a simple guideline: >> >> The default applicability for an IETF specification is the 'open' >> Internet. Any specification intended for more constrained use needs to >> describe the constraints. One means of achieving this can be an >> "Applicability" section in the specification, with a description of >> intended use. > > > +1. Where would you put it? > IMHO it should have been in RFC 1958, and I'm embarassed that we missed this point back in 1996, because it's so fundamental. I have a tickle at the back of my brain, because I think there is text somewhere about how solutions designed for local use have a nasty habit of appearing on the open Internet and causing trouble, but I can't find it. Brian