draft-ietf-xcon-event-package-00.txt   draft-ietf-xcon-event-package-01.txt 
XCON G. Camarillo XCON G. Camarillo
Internet-Draft Ericsson Internet-Draft Ericsson
Intended status: Standards Track S. Srinivasan Intended status: Standards Track S. Srinivasan
Expires: August 19, 2008 Microsoft Corporation Expires: March 8, 2009 Microsoft Corporation
R. Even R. Even
Polycom Polycom
J. Urpalainen J. Urpalainen
Nokia Nokia
February 16, 2008 September 4, 2008
Conference Event Package Data Format Extension for Centralized Conference Event Package Data Format Extension for Centralized
Conferencing (XCON) Conferencing (XCON)
draft-ietf-xcon-event-package-00.txt draft-ietf-xcon-event-package-01.txt
Status of this Memo Status of this Memo
By submitting this Internet-Draft, each author represents that any By submitting this Internet-Draft, each author represents that any
applicable patent or other IPR claims of which he or she is aware applicable patent or other IPR claims of which he or she is aware
have been or will be disclosed, and any of which he or she becomes have been or will be disclosed, and any of which he or she becomes
aware will be disclosed, in accordance with Section 6 of BCP 79. aware will be disclosed, in accordance with Section 6 of BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
The list of current Internet-Drafts can be accessed at The list of current Internet-Drafts can be accessed at
http://www.ietf.org/ietf/1id-abstracts.txt. http://www.ietf.org/ietf/1id-abstracts.txt.
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http://www.ietf.org/shadow.html. http://www.ietf.org/shadow.html.
This Internet-Draft will expire on August 19, 2008. This Internet-Draft will expire on March 8, 2009.
Copyright Notice Copyright Notice
Copyright (C) The IETF Trust (2008). Copyright (C) The IETF Trust (2008).
Abstract Abstract
This document specifies the notification mechanism for XCON This document specifies the notification mechanism for XCON
(centralized conferencing). This mechanism reuses the SIP (Session (centralized conferencing). This mechanism reuses the SIP (Session
Initiation Protocol) event package for conference state. Initiation Protocol) event package for conference state.
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3. Notification Formats 3. Notification Formats
In order to obtain notifications from a conference server's In order to obtain notifications from a conference server's
notification service, a client subscribes to the 'conference' event notification service, a client subscribes to the 'conference' event
package at the server as specified in [RFC4575]. Per [RFC4575], package at the server as specified in [RFC4575]. Per [RFC4575],
NOTIFY requests within this event package can carry an XML document NOTIFY requests within this event package can carry an XML document
in the "application/conference-info+xml" format. Additionally, per in the "application/conference-info+xml" format. Additionally, per
this specification, NOTIFY requests can also carry XML documents in this specification, NOTIFY requests can also carry XML documents in
the "application/xcon-conference-info+xml" and the "application/ the "application/xcon-conference-info+xml" and the "application/
xcon-conference-info-diff" formats. xcon-conference-info-diff+xml" formats.
A document in the "application/xcon-conference-info+xml" format A document in the "application/xcon-conference-info+xml" format
provides the user agent with the whole state of a conference provides the user agent with the whole state of a conference
instance. A document in the "application/ instance. A document in the "application/
xcon-conference-info-diff+xml" format provides the user agent with xcon-conference-info-diff+xml" format provides the user agent with
the changes the state of the conference instance has experimented the changes the state of the conference instance has experimented
since the last notification sent to the user agent. since the last notification sent to the user agent.
4. Full Notifications 4. Full Notifications
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