Re: [Simple] Internal WG Review: Recharter of SIP for Instant Messaging and Presence Leveraging Extensions (simple)

[Ben Campbell <[e-mail]>]

I also remember that being brought up, and also don't remember the  
outcome ;-)

On Jan 30, 2007, at 4:15 PM, Paul Kyzivat wrote:

> Wasn't there some talk of a need to specify how to choose between  
> MESSAGE and MSRP, and/or to transition between them in support of a  
> single conversation?
>
> E.g. send a MESSAGE because there may never be a conversation, but  
> then INVITE with an MSRP session to continue the conversation. The  
> need here would be for a way to tie these things together so it is  
> clear that they are part of the same conversation. There are  
> obviously issues with involving the same pair of UAs in both.
>
> I seem to recall this was discussed at some point, but I'm not sure  
> and if so I don't remember the outcome.
>
> 	Paul
>
> IESG Secretary wrote:
>> A new charter for the SIP for Instant Messaging and Presence  
>> Leveraging
>> Extensions (simple) working group in the Real-time Applications and
>> Infrastructure Area of the IETF is being considered. The draft  
>> charter is provided below for your review and comment.
>> Review time is one week.
>> The IETF Secretariat
>> +++
>> SIP for Instant Messaging and Presence Leveraging Extensions (simple)
>> ===================================================================== 
>> =
>> Last Modified: 2007-1-24
>> Current Status: Active Working Group
>> Chair(s):
>> Robert Sparks <[e-mail]>
>> Hisham Khartabil <[e-mail]>
>> Real-time Applications and Infrastructure Area Director(s):
>> Jon Peterson <[e-mail]>
>> Cullen Jennings <[e-mail]>
>> Real-time Applications and Infrastructure Area Advisor:
>> Jon Peterson <[e-mail]>
>> Technical Advisor(s):
>> Jon Peterson <[e-mail]>
>> Mailing Lists:
>> General Discussion: [e-mail]
>> To Subscribe: [e-mail]
>> In Body: subscribe
>> Archive: http://www.ietf.org/mail-archive/web/simple/index.html
>> Description of Working Group:
>> This working group focuses on the application of the Session  
>> Initiation
>> Protocol (SIP, RFC 3261) to the suite of services collectively  
>> known as
>> instant messaging and presence (IMP). The IETF has committed to  
>> producing an interoperable standard for these services compliant  
>> to the requirements for IM outlined in RFC 2779 (including the  
>> security and privacy requirements there) and in the Common  
>> Presence and Instant Messaging (CPIM) specification, developed  
>> within the IMPP working group. As the most common services for  
>> which SIP is used share quite a bit in common with IMP, the  
>> adaptation of SIP to IMP seems a natural choice given the  
>> widespread support for (and relative maturity of) the
>> SIP standard.
>> This group has completed the majority of its primary goals and  
>> will focus on the remaining tasks documented here and concluding.  
>> Any proposed new work should be socialized with the chairs and AD  
>> early to determine if this WG is an appropriate venue.
>> The primary remaining work of this group will be to complete:
>> 1. The MSRP proposed standard mechanism for transporting sessions of
>> messages initiated using the SIP, compliant to the requirments of  
>> RFC 2779, CPIM and BCP 41.
>> 2. The XCAP framework for representing and carrying configuration and
>> policy information in SIMPLE systems.
>> 3. A mechanism for representing partial changes (patches) to XML
>> documents and extensions to the SIMPLE publication and  
>> notification mechanisms to convey these partial changes.
>> 4. A mechanism for initiating and managing Instant Message group  
>> chat.
>> 5. An annotated overview of the SIMPLE protocol definition documents.
>> Any SIP extensions proposed in the course of this development  
>> will, after a last call process, be transferred to the SIP WG for  
>> consideration as formal SIP extensions.
>> Any mechanisms created for managing Instant Message group chat are
>> intended to provide a bridge to the conferencing protocols that  
>> will be defined in XCON. They will be limited in scope to address  
>> only simple Instant Message chat with nicknames and will not attempt
>> to address complex conferencing concepts such as sidebars. Their  
>> design must anticipate operating in conjunction with the  
>> conferencing protocols XCON is working towards.
>> The working group will work within the framework for presence and IM
>> described in RFC 2778. The extensions it defines must also be  
>> compliant with the SIP processes for extensions. The group cannot  
>> modify baseline SIP behavior or define a new version of SIP for IM  
>> and presence. If the group determines that any capabilities  
>> requiring an extension to SIP are needed, the group will seek to  
>> define such
>> extensions within the SIP working group, and then use them here.
>> Goals and Milestones:
>> Done Submission of event package for presence to IESG for  
>> publication as Proposed Standard
>> Done Submission of watcher information drafts to IESG for  
>> publication as Proposed Standards
>> Done Submission of proposed event list mechanism to the SIP  
>> working group Done Submission of requirements for event publishing  
>> to the IESG for
>> publication as Proposed Standard
>> Done Submission of proposed mechanism for event publishing to the SIP
>> working group
>> Done Submission of SIMPLE PIDF profile to IESG for publication as  
>> Proposed Standard
>> Done Submission of base XCAP draft to IESG for publication as  
>> Proposed
>> Standard
>> Done Submission of indication of instant message preparation using  
>> SIP to IESG for publication as a Proposed Standard
>> Done Submission of XCAP usage for manipulation of presence document
>> content
>> Done Submission of XCAP usage for setting presence authorization  
>> to IESG for publication as Proposed Standard
>> Done Submission of Filtering mechanisms to IESG for publication as a
>> Proposed Standard
>> Done Submission of instant messaging session draft to IESG for  
>> publication as a Proposed Standard
>> Done Submission of instant messaging session relay drafts to IESG for
>> publication as Proposed Standards
>> Done Submission of Partial Notification mechanism to IESG for  
>> publication as a Proposed Standard
>> Feb 2007 Submission of an Instant Message Disposition Notification
>> mechanism to the IESG for publication as a Proposed Standard
>> Feb 2007 Submission of XCAP event package to IESG or appropriate  
>> working group targeting publication as Proposed Standard
>> Feb 2007 Submission of proposed mechanisms meeting the advanced  
>> messaging requirements to the IESG or appropriate working group
>> Mar 2007 Submission of a performance and scalability analysis of the
>> SIMPLE presence mechanisms to the IESG for publication as  
>> Informational
>> Jun 2007 Submission of SIMPLE protocol annotated overview draft to  
>> IESG
>> for publication as Informational
>> Aug 2007 Submission of proposed mechanisms for initiating and  
>> managing
>> Instant Message group chat to the IESG for publication as Proposed
>> Standard
>> Aug 2007 Conclusion of SIMPLE
>> _______________________________________________
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>
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