Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-16
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Active Internet-Draft (bfcpbis WG)
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2016-09-21
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Proposed Standard
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WG Document
Nov 2016
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Mary Barnes
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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: March 25, 2017 Cisco
September 22, 2016
Session Description Protocol (SDP) Format for Binary Floor Control
Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-16
Abstract
This document specifies how to describe Binary Floor Control Protocol
(BFCP) streams in Session Description Protocol (SDP) descriptions.
User agents using the offer/answer model to establish BFCP streams
use this format in their offers and answers.
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
working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/.
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 March 25, 2017.
Copyright Notice
Copyright (c) 2016 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 March 25, 2017 [Page 1]
Internet-Draft BFCP September 2016
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 . . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . 6
7. SDP 'bfcpver' Attribute . . . . . . . . . . . . . . . . . . . 7
8. BFCP Connection Management . . . . . . . . . . . . . . . . . 7
8.1. TCP Connection Management . . . . . . . . . . . . . . . . 8
9. Authentication . . . . . . . . . . . . . . . . . . . . . . . 8
10. SDP Offer/Answer Procedures . . . . . . . . . . . . . . . . . 9
10.1. Generating the Initial SDP Offer . . . . . . . . . . . . 10
10.2. Generating the SDP Answer . . . . . . . . . . . . . . . 11
10.3. Offerer Processing of the SDP Answer . . . . . . . . . . 12
10.4. Modifying the Session . . . . . . . . . . . . . . . . . 12
10.5. DTLS Role Determination . . . . . . . . . . . . . . . . 13
11. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12. Security Considerations . . . . . . . . . . . . . . . . . . . 15
13. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 15
13.1. Registration of SDP 'proto' Values . . . . . . . . . . . 15
13.2. Registration of the SDP 'floorctrl' Attribute . . . . . 16
13.3. Registration of the SDP 'confid' Attribute . . . . . . . 16
13.4. Registration of the SDP 'userid' Attribute . . . . . . . 17
13.5. Registration of the SDP 'floorid' Attribute . . . . . . 17
13.6. Registration of the SDP 'bfcpver' Attribute . . . . . . 17
14. Changes from RFC 4583 . . . . . . . . . . . . . . . . . . . . 18
15. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 19
16. References . . . . . . . . . . . . . . . . . . . . . . . . . 19
16.1. Normative References . . . . . . . . . . . . . . . . . . 19
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