Re: [Ecrit] [Gen-art] Gen-ART review of draft-ietf-ecrit-psap-callback-10

Hi,

Thanks for your comments, Vijay!

Regards,

Christer

________________________________
From: gen-art-bounces@ietf.org [gen-art-bounces@ietf.org] on behalf of Vijay K. Gurbani [vkg@bell-labs.com]
Sent: Friday, 27 September 2013 10:17 PM
To: Hannes Tschofenig
Cc: rmarshall@telecomsys.com; marc.linsner@cisco.com; ecrit@ietf.org; Richard Barnes; General Area Review Team; draft-ietf-ecrit-psap-callback@tools.ietf.org
Subject: Re: [Gen-art] Gen-ART review of draft-ietf-ecrit-psap-callback-10

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
--
Vijay K. Gurbani, Bell Laboratories, Alcatel-Lucent
1960 Lucent Lane, Rm. 9C-533, Naperville, Illinois 60563 (USA)
Email: vkg@{bell-labs.com,acm.org} / vijay.gurbani@alcatel-lucent.com
Web: http://ect.bell-labs.com/who/vkg/  | Calendar: http://goo.gl/x3Ogq
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