Re: [sipcore] Draft new: draft-holmberg-sipcore-proxy-feature [was: Feature-tags in the Path header field]

Hi Paul and Christer,

We now use this draft in our IMS(3GPP's SRVCC), currently in standard 
level.

So, we support this one.

Thanks,

Gao

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Paul Kyzivat <pkyzivat@cisco.com> 
发件人:  sipcore-bounces@ietf.org
2010-09-27 22:46

收件人
Christer Holmberg <christer.holmberg@ericsson.com>
抄送
"sipcore@ietf.org" <sipcore@ietf.org>
主题
Re: [sipcore] Draft new: draft-holmberg-sipcore-proxy-feature [was: 
Feature-tags in the Path header field]

[as chair]

To all sipcore participants:

Christer has been looking for a way to accomplish a particular function 
that 3gpp wants. This proposal seems a plausible way to do that. But it 
is of necessity defining a more general mechanism.

I'd really appreciate comments from others (including people in no way 
involved with 3gpp) regarding this mechanism. For instance, do you 
consider the semantics to be well defined? Do you see need for more 
about security implications?

How many would find this useful to have?

                 Thanks,
                 Paul

On 9/24/2010 7:04 AM, Christer Holmberg wrote:
>
> Hi,
>
> I've submitted a draft, which extends the rr-param rule, allowing 
proxies to indicate supported features using feature tags in Path, 
Record-Route etc.
>
> The draft can also be found at: 
http://users.piuha.net/cholmber/drafts/draft-holmberg-sipcore-proxy-feature-00.txt

>
> As I indicated earlier on the list, and as you can read in the draft, 
there is a 3GPP use-case where we believe the mechanism could be used. 
But, there is nothing 3GPP specific about the mechanism as such.
>
> Regards,
>
> Christer
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