IP: GPRS experience, IP architecture interactions

[David Farber <dave () farber net>]

> To: dave () farber net
> Subject: GPRS experience, IP architecture interactions
> Date: Tue, 04 Dec 2001 09:40:01 -0500
> From: "Mike O'Dell" <mo () ccr org>
>
>
> a few of us have realized for some time that there is a
> major piece missing from the "Internet Architecture" as
> she is currently spoke and have been lobbying for it
> for some time now.
>
> it's time the Internet got a real "session" layer which is reliable in
> the face of transport protocol failures and restarts.  to do this
> well, it needs to use identifiers distinct from transport so one can
> "roam" between transport protocols or different instances of the same
> transport protocol.
>
> currently, the Internet uses a number of protocols each of which color
> some fraction of the required feature disk much less than 100%, and
> which, if somehow used together, would still be rather less than
> what is required.
>
> getting this right would solve a number of problems, not the least of
> which is avoiding the widespread use of "IP Mobility" to maintain
> application connectivity when crossing unavoidable network boundaries
> (like moving from national or regional wireless service to in-building
> wireless connectivity).  this becomes very problematic in the face
> of addressing domains disjoint at the IP level.

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