Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-27

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BFCPbis Working Group                                       G. Camarillo
Internet-Draft                                                  Ericsson
Obsoletes: 4583 (if approved)                              T. Kristensen
Intended status: Standards Track                                   Cisco
Expires: June 11, 2019                                       C. Holmberg
                                                                Ericsson
                                                        December 8, 2018

   Session Description Protocol (SDP) Format for Binary Floor Control
                        Protocol (BFCP) Streams
                    draft-ietf-bfcpbis-rfc4583bis-27

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 14.

Status of This Memo

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

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on June 11, 2019.

Copyright Notice

   Copyright (c) 2018 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
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

Camarillo, et al.         Expires June 11, 2019                 [Page 1]
Internet-Draft                    BFCP                     December 2018

   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Conventions . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Floor Control Roles . . . . . . . . . . . . . . . . . . . . .   4
   4.  Fields in the 'm' Line  . . . . . . . . . . . . . . . . . . .   4
   5.  SDP Attributes  . . . . . . . . . . . . . . . . . . . . . . .   5
     5.1.  SDP 'floorctrl' Attribute . . . . . . . . . . . . . . . .   5
     5.2.  SDP 'confid' Attribute  . . . . . . . . . . . . . . . . .   7
     5.3.  SDP 'userid' Attribute  . . . . . . . . . . . . . . . . .   8
     5.4.  SDP 'floorid' Attribute . . . . . . . . . . . . . . . . .   9
     5.5.  SDP 'bfcpver' Attribute . . . . . . . . . . . . . . . . .  10
   6.  Multiplexing Considerations . . . . . . . . . . . . . . . . .  11
   7.  BFCP Connection Management  . . . . . . . . . . . . . . . . .  12
     7.1.  TCP Connection Management . . . . . . . . . . . . . . . .  12
   8.  TLS/DTLS Considerations . . . . . . . . . . . . . . . . . . .  13
   9.  ICE Considerations  . . . . . . . . . . . . . . . . . . . . .  13
   10. SDP Offer/Answer Procedures . . . . . . . . . . . . . . . . .  14
     10.1.  Generating the Initial SDP Offer . . . . . . . . . . . .  15
     10.2.  Generating the SDP Answer  . . . . . . . . . . . . . . .  15
     10.3.  Offerer Processing of the SDP Answer . . . . . . . . . .  16
     10.4.  Modifying the Session  . . . . . . . . . . . . . . . . .  17
   11. Examples  . . . . . . . . . . . . . . . . . . . . . . . . . .  17
   12. Security Considerations . . . . . . . . . . . . . . . . . . .  19
   13. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  20
     13.1.  Registration of SDP 'proto' Values . . . . . . . . . . .  20
     13.2.  Registration of the SDP 'floorctrl' Attribute  . . . . .  20
     13.3.  Registration of the SDP 'confid' Attribute . . . . . . .  20
     13.4.  Registration of the SDP 'userid' Attribute . . . . . . .  20
     13.5.  Registration of the SDP 'floorid' Attribute  . . . . . .  21
     13.6.  Registration of the SDP 'bfcpver' Attribute  . . . . . .  21
   14. Changes from RFC 4583 . . . . . . . . . . . . . . . . . . . .  21
   15. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  22
   16. References  . . . . . . . . . . . . . . . . . . . . . . . . .  22
     16.1.  Normative References . . . . . . . . . . . . . . . . . .  22
     16.2.  Informational References . . . . . . . . . . . . . . . .  24