> Hi Ned,

> On 10/26/13 4:48 PM, [email protected] wrote:
> >> Networking standards are promoted by consensus and by network effects. In
> >> the absence of some forcing function, "fallback to clear text" gets 
> >> promoted
> >> by network effects, because it is de facto forced by the sites that don't
> >> bother deploying the more secure options. The best way to break that is to
> >> provide "air cover" for security, e.g. a text in the protocol description
> >> RFC that says "nodes requiring a modicum of security SHOULD refuse to use
> >> clear text connections."  That would effectively turn the tables.
> > Exactly! The only thing I would add is that "cover" should include a
> > clear presentation of the tradeoffs and consequences.
> >
> > Unfortunately this is surprisingly hard to do well. It's much easier to 
> > start
> > throwing MUSTs around.
> >
> > This also is effectively what happened in the IMAP case: Large sites like 
> > gmail
> > and Apple only deployed imaps, with the result that a fully 
> > standards-compliant
> > client actually won't work with their service!

> And maybe that's a good thing, by the way.

Getting the right outcome is definitely a good thing. But let's not pretend
that luck wasn't a big factor.

> But my main point is that
> the IAB is reviewing this exact topic at a workshop that will take place
> in December on Internet Tecnology Adoption and Transition.

Question: Has anyone been invited that has designed or directly overseen large
server deployments of any sort? It might be instructive to hear from someone
like that.

>  It's not the
> first time it's been considered, mind you.  See RFC 5218 by Dave Thaler
> and Bernard Aboba.

Yep.

                                Ned
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