Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-18

Document Type Active Internet-Draft (bfcpbis WG)
Last updated 2017-10-30
Stream IETF
Intended RFC status Proposed Standard
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BFCPbis Working Group                                       G. Camarillo
Internet-Draft                                                  Ericsson
Obsoletes: 4583 (if approved)                              T. Kristensen
Intended status: Standards Track                                P. Jones
Expires: May 3, 2018                                               Cisco
                                                        October 30, 2017

   Session Description Protocol (SDP) Format for Binary Floor Control
                        Protocol (BFCP) Streams
                    draft-ietf-bfcpbis-rfc4583bis-18

Abstract

   This document defines the Session Description Protocol (SDP) offer/
   answer procedures for negotiating and establishing Binary Floor
   Control Protocol (BFCP) streams.

   This document obsoletes RFC 4583.  Changes from RFC 4583 are
   summarized in Section 15.

Status of This Memo

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

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   This Internet-Draft will expire on May 3, 2018.

Copyright Notice

   Copyright (c) 2017 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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   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect

Camarillo, et al.          Expires May 3, 2018                  [Page 1]
Internet-Draft                    BFCP                      October 2017

   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Fields in the 'm' Line  . . . . . . . . . . . . . . . . . . .   3
   4.  Floor Control Server Determination  . . . . . . . . . . . . .   4
     4.1.  SDP 'floorctrl' Attribute . . . . . . . . . . . . . . . .   4
   5.  SDP 'confid' and 'userid' Attributes  . . . . . . . . . . . .   6
   6.  SDP 'floorid' Attribute . . . . . . . . . . . . . . . . . . .   7
   7.  SDP 'bfcpver' Attribute . . . . . . . . . . . . . . . . . . .   7
   8.  BFCP Connection Management  . . . . . . . . . . . . . . . . .   8
     8.1.  TCP Connection Management . . . . . . . . . . . . . . . .   8
   9.  Authentication  . . . . . . . . . . . . . . . . . . . . . . .   9
   10. ICE Considerations  . . . . . . . . . . . . . . . . . . . . .  10
   11. SDP Offer/Answer Procedures . . . . . . . . . . . . . . . . .  11
     11.1.  Generating the Initial SDP Offer . . . . . . . . . . . .  12
     11.2.  Generating the SDP Answer  . . . . . . . . . . . . . . .  13
     11.3.  Offerer Processing of the SDP Answer . . . . . . . . . .  14
     11.4.  Modifying the Session  . . . . . . . . . . . . . . . . .  14
   12. Examples  . . . . . . . . . . . . . . . . . . . . . . . . . .  14
   13. Security Considerations . . . . . . . . . . . . . . . . . . .  16
   14. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
     14.1.  Registration of SDP 'proto' Values . . . . . . . . . . .  17
     14.2.  Registration of the SDP 'floorctrl' Attribute  . . . . .  17
     14.3.  Registration of the SDP 'confid' Attribute . . . . . . .  18
     14.4.  Registration of the SDP 'userid' Attribute . . . . . . .  18
     14.5.  Registration of the SDP 'floorid' Attribute  . . . . . .  18
     14.6.  Registration of the SDP 'bfcpver' Attribute  . . . . . .  19
   15. Changes from RFC 4583 . . . . . . . . . . . . . . . . . . . .  19
   16. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  20
   17. References  . . . . . . . . . . . . . . . . . . . . . . . . .  20
     17.1.  Normative References . . . . . . . . . . . . . . . . . .  20
     17.2.  Informational References . . . . . . . . . . . . . . . .  22
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  23
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