Conference Focus Indicating CCMP Support
draft-yusef-dispatch-ccmp-indication-00

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INTERNET-DRAFT                                            R. Shekh-Yusef
Intended Status: Standards Track                                   Avaya
Expires: November 27, 2012                                     M. Barnes
                                                                 Polycom
                                                            May 26, 2012

                Conference Focus Indicating CCMP Support
                draft-yusef-dispatch-ccmp-indication-00

Abstract

   The Centralized Conferencing Manipulation Protocol document defines
   away for a client to discover a conference control server that
   supports CCMP. However, it does not define a way for a client
   involved in a conference to determine if the conference focus
   supports CCMP. This information would allow a CCMP-enabled client
   that joins a conference using SIP to also register for the XCON
   conference event package and take advantage of CCMP operations on the
   conference.

   This draft describes few options to address the above limitation with
   the pros and cons for each approach.

Status of this Memo

   This Internet-Draft is submitted to IETF in full conformance with the
   provisions of BCP 78 and BCP 79.

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Copyright and License Notice

   Copyright (c) 2012 IETF Trust and the persons identified as the
   document authors. All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

 

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Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  4
     1.1  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  4
   2  Possible Solutions  . . . . . . . . . . . . . . . . . . . . . .  5
     2.1 Feature Tag  . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.2 OPTIONS  . . . . . . . . . . . . . . . . . . . . . . . . . .  5
     2.3 Conference Event Package . . . . . . . . . . . . . . . . . .  6
       2.3.1 Service URI purpose  . . . . . . . . . . . . . . . . . .  6
       2.3.2 Conference URI purpose . . . . . . . . . . . . . . . . .  6
   3  Security Considerations . . . . . . . . . . . . . . . . . . . .  7
   4  Recommendation  . . . . . . . . . . . . . . . . . . . . . . . .  7
   5  IANA Considerations . . . . . . . . . . . . . . . . . . . . . .  7
   6  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . .  7
   7  References  . . . . . . . . . . . . . . . . . . . . . . . . . .  8
     7.1  Normative References  . . . . . . . . . . . . . . . . . . .  8
     7.2  Informative References  . . . . . . . . . . . . . . . . . .  8
   Author's Addresses . . . . . . . . . . . . . . . . . . . . . . . .  9

 

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1  Introduction

   RFC 5239 defines a framework for Centralized Conferencing, which
   allows participants to exchange media in a centralized unicast
   conference. The framework also outlines a set of conferencing
   protocols for building advanced conferencing applications.

   The Centralized Conferencing Manipulation Protocol (CCMP) allows
   authenticated and authorized users to create, manipulate and delete
   conference objects.  Operations on conferences include adding and
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