Frank Ellermann wrote:
Makes me still wonder why "an entity" - I assume that
could be something I carry with me - should be so indiscreet as
telling that it's now in the "cafe" of a "jail" in an "airport"
or other obscure locations. That's nobody's business but mine.
Nobody's business but yours and the people with whom you choose to share
it. You'll note that this work is coming out of GEOPRIV -- where the
"PRIV" part of that name stands for "privacy." GEOPRIV has done lots of
work in making sure that this kind of information ends up only in the
hands of people you want to have it, and nowhere else (see, e.g.,
There are many good use cases in real-time communications that detail
*why* conveying this kind of information is potentially useful. Going
into a tutorial on these basic topics seems a bit inappropriate on the
general list. If you're interested, though, I can point you to a number
of working group mailing lists where these subjects have been discussed
Ietf mailing list