Telechat Review of draft-ietf-ecrit-psap-callback-13

Request Review of draft-ietf-ecrit-psap-callback
Requested rev. no specific revision (document currently at 13)
Type Telechat Review
Team General Area Review Team (Gen-ART) (genart)
Deadline 2013-10-08
Requested 2013-10-03
Authors Henning Schulzrinne, Hannes Tschofenig, Christer Holmberg, Milan Patel
Draft last updated 2013-11-26
Completed reviews Genart Last Call review of -10 by Vijay Gurbani (diff)
Genart Telechat review of -13 by Vijay Gurbani
Assignment Reviewer Vijay Gurbani
State Completed
Review review-ietf-ecrit-psap-callback-13-genart-telechat-gurbani-2013-11-26
Reviewed rev. 13
Review result Ready
Review completed: 2013-11-26


Vijay, thanks for the detailed review and Hannes thanks for the update! I have balloted a No-Obj position for this draft.


On Sep 29, 2013, at 6:16 PM, Hannes Tschofenig <Hannes.Tschofenig at> wrote:

> Hi Vijay,
> thanks for the time to review the document so carefully.
> I have just submitted an updated version and I indeed think that your review feedback has improved the quality of the document.
> Ciao
> Hannes
> On 27.09.2013 22:17, Vijay K. Gurbani wrote:
>> Hannes:
>> I am happy with the changes outlined below. I am convinced they
>> make the document better. Thank you for attending to my comments.
>> On 09/27/2013 01:48 PM, Hannes Tschofenig wrote:
>>> Hi Vijay,
>>> I updated the draft to take your remarks into account.
>>> I liked the security requirements text to the security threats section,
>>> as you suggested.
>>> I believe you have a point regarding the remark about the security
>>> solution. The current description focuses on the PSAP but not on the UA.
>>> I assumed that we essentially inherit the functionality from the
>>> PhoneBCP document but that should be expressed somewhere.
>>> So, I added the following section to the draft:
>>> ----
>>> The approach for dealing with implementing the security requirements
>>> described in Section 5.2 can be differentiated between the behavior
>>> applied by the UA and by SIP proxies. A UA that has made an
>>> emergency call will keep state information so that it can recognize
>>> and accepted a callback from the PSAP if it occurs within a
>>> reasonable time after an emergency call was placed, as described in
>>> Section 13 of [RFC6443]. Since UA considerations are described
>>> already in [RFC6443] as well as in [RFC6881] the rest of this section
>>> focuses on the behavior of SIP proxies.
>>> -----
>>> What do you think about that addition? Do you think it addresses your
>>> concern?
>> Cheers,
>> - vijay
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