RE: [security-services] Discussion of Future Work of the SSTC

> Yes, if we're talking about the same thing, the IdP proxy concept is
> important but underspecified.  We would be happy to help with that.

If it's underspecified, that's errata, not new work. I don't see what's not
specified about it, apart from things that are out of scope (like
authentication context mapping).

-- Scott