RE: [Geopriv] RE: [dhcwg] Re: I-D ACTION:draft-ietf-geopriv-dhcp-civil-07.txt

"Winterbottom, James" <James.Winterbottom@andrew.com> Mon, 21 November 2005 23:58 UTC

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From: "Winterbottom, James" <James.Winterbottom@andrew.com>
To: Henning Schulzrinne <hgs@cs.columbia.edu>
Date: Mon, 21 Nov 2005 17:11:39 -0600
Subject: RE: [Geopriv] RE: [dhcwg] Re: I-D ACTION:draft-ietf-geopriv-dhcp-civil-07.txt
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Cc: Randall Gellens <randy@qualcomm.com>, geopriv@ietf.org, DHCP discussion list <dhcwg@ietf.org>
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Hmm.. Sounds like OBO to me. ;)

I actually think that network management find this misbehaving phone has
other better options at hand than this. If the server doesn't support
LCI then I don't think that this option is going to help, and if the
server does support LCI then other options such using the lease query
mechanism proposed in
http://www.ietf.org/internet-drafts/draft-ietf-dhc-leasequery-09.txt to
get the LCI data or relay data from the server directly.

I still think that the potential long term mess is far worse than the
short-term gains.

Cheers
James


> -----Original Message-----
> From: Henning Schulzrinne [mailto:hgs@cs.columbia.edu]
> Sent: Tuesday, 22 November 2005 10:03 AM
> To: Winterbottom, James
> Cc: Randall Gellens; geopriv@ietf.org; DHCP discussion list
> Subject: Re: [Geopriv] RE: [dhcwg] Re: I-D
ACTION:draft-ietf-geopriv-dhcp-
> civil-07.txt
> 
> 
> 
> Winterbottom, James wrote:
> >>This does mean that a client has to make a possibly unpleasant
choice
> >>between not sending the information, and thus possibly making it
> >>harder be located in an emergency or possibly having poorer service
> >>in some other area, and sending it with no redistribution/retention
> >>limits.
> >
> >
> > [AJW] I simply don't understand this statement. If the end-point has
its
> > location, how is providing that location to a DHCP server going to
> > assist with emergency call routing?
> 
> It's a bit of a stretch, but the logic would be something like:
> 
> - End point knows location, but client application doesn't know how to
> retrieve or use it (this would include all current IP telephony soft
> clients, for example);
> 
> - in an enterprise environment, the proxy server gets to ask the DHCP
> server for location information (and uses it for emergency call
routing).
> 
> I agree that this is not a deployment scenario we should make the
> preferred outcome.
> 
> The more likely case is that this is used for network management
("find
> the misbehaving PC or phone").
> 
> 
> >
> > My personal opinion is that allowing the transfer of location from
the
> > client to the server in this manner is a significant stretch of the
> > intentions laid out in RFC-3694 and quite far reaching application
and
> > security implications.
> >
> >
> > Cheers
> > James
> >
> >
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> > [mf2]
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> > Geopriv@ietf.org
> > https://www1.ietf.org/mailman/listinfo/geopriv

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