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SIP for Instant Messaging and Presence Leveraging Extensions (simple) (WG)

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In addition to this official charter maintained by the IETF Secretariat, there is additional information about this working group on the Web at:
Additional SIMPLE Web Page

Additional information is available at tools.ietf.org/wg/simple

Chair(s):

Real-time Applications and Infrastructure Area Director(s):

* The Real-time Applications and Infrastructure Area Directors were seated during the IETF 65.

Real-time Applications and Infrastructure Area Advisor:

Technical Advisor(s):

Meeting Slides

No Slides Present

Internet-Drafts:

Request for Comments:

Charter (as of 2011-12-09)

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 Profile for 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 will require a recharter.

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 Partial Notification mechanism to IESG for publication as a 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 proposed mechanisms meeting the advanced messaging requirements to the IESG or appropriate working group
Done  Submission of XCAP event package to IESG or appropriate working group targeting publication as Proposed Standard
Done  Submission of an Instant Message Disposition Notification mechanism to the IESG for publication as a Proposed Standard
Done  Submission of additional connection models for MSRP to IESG for Proposed Standard
Oct 2010  Submission of proposed mechanisms for initiating and managing Instant Message group chat to the IESG for publication as Proposed Standard
Nov 2010  Submission of SIMPLE protocol annotated overview draft to IESG for publication as Informational
Mar 2011  Conclusion of SIMPLE

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