A modified charter has been submitted for the SIP for
Instant Messaging
and Presence Leveraging Extensions (simple)working group in
the Real-
time Applications and Infrastructure Area of the IETF. The
IESG has not
made any determination as yet. The modified charter is
provided below
for informational purposes only. Please send your comments
to the IESG
mailing list (iesg ietf.org) by February 19th.
+++
SIP for Instant Messaging and Presence Leveraging Extensions
(simple)
============================================================
==========
Current Status: Active Working Group
Chair(s):
Robert Sparks <RjSestacado.net>
Hisham Khartabil <hisham.khartabilgmail.com>
Real-time Applications and Infrastructure Area Director(s):
Jon Peterson <jon.petersonneustar.biz>
Cullen Jennings <fluffycisco.com>
Real-time Applications and Infrastructure Area Advisor:
Jon Peterson <jon.petersonneustar.biz>
Technical Advisor(s):
Jon Peterson <jon.petersonneustar.biz>
Mailing Lists:
General Discussion: simpleietf.org
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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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