Re:

["John G. Waclawsky" <jgw@cisco.com>]

I also wonder about that "switching sessions between access points need"
myself.  I am not sure that it would be used that much. But I don't really know.
I guess it should be considered and perhaps made optional. The operators can
figure out if it is worth the effort to deploy or not... but I think to focus on
it would be having the tail wag the dog.    Regards  John

tim clifford wrote:

> >
> > I think we need a good definition of session mobility.
> > Do you have any idea?
>
> well, i'm afraid i can't easily state such a definition.  I'll scan some of
> the definitions available in mwif, 3gppx etc. and see what's there.
> however, my feeling is that there's not a good definition available. many of
> the session definitions are either mobility oriented (and sound a little bit
> like a telephone call) or are sip oriented; both are fine, but don't seem to
> be broad enough for our discussion.
>
> in addition to the definition, i see a worthwhile discussion being the
> nature of the need for the mobility we're discussing.  it feels rather
> theoretical that there's going to be broad demand for switching sessions
> between my laptop (connected to my wireless lan at home) and my mobile (on
> the local 3g network).  if there's not truly broad demand for such a
> capability then we'll have this cool (and maybe expensive capability) that
> no one needs.
>
> tim
>
> > -----Original Message-----
> > From: owner-more@ops.ietf.org [mailto:owner-more@ops.ietf.org]On Behalf
> > Of Atsushi Takeshita
> > Sent: Wednesday, July 25, 2001 12:58 AM
> > To: more@psg.com
> > Subject: Re:
> >
> >
> > Tim,
> >
> > > as for the statement
> > > > Session mobility means the mobility between two (or more)
> > > > terminals.
> > > do you mean that session mobility by definition excludes session
> > maintenance
> > > between a subscriber's terminal and, say, a web-based service?
> >
> > I have never thought of session maintenance between a
> > terminal and a web-based service.
> > I think it should be included in the session mobility.
> >
> > > I also
> > > assume you mean that your definition is for a single subscriber changing
> > > terminals.
> >
> > Session mobility between different user's terminals
> > should be taken into account.
> >
> > I think we need a good definition of session mobility.
> > Do you have any idea?
> >
> > ------------------------------------------
> > TAKESHITA, Atsushi
> > DoCoMo Communications Laboratories USA, Inc.
> > takeshita@dcl.docomo-usa.com
> > Tel: 408-451-4705 / Fax: 408-573-1090
> > ------------------------------------------
> >
> >