Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-24
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Active Internet-Draft (bfcpbis WG)
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2018-06-19
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IETF
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Proposed Standard
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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 Cisco
Expires: December 21, 2018 C. Holmberg
Ericsson
June 19, 2018
Session Description Protocol (SDP) Format for Binary Floor Control
Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-24
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.
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 December 21, 2018.
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 December 21, 2018 [Page 1]
Internet-Draft BFCP June 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 . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Floor Control Roles . . . . . . . . . . . . . . . . . . . . . 3
4. Fields in the 'm' Line . . . . . . . . . . . . . . . . . . . 4
5. SDP Attributes . . . . . . . . . . . . . . . . . . . . . . . 5
5.1. SDP 'floorctrl' Attribute . . . . . . . . . . . . . . . . 5
5.2. SDP 'confid' and 'userid' Attributes . . . . . . . . . . 6
5.3. SDP 'floorid' Attribute . . . . . . . . . . . . . . . . . 7
5.4. SDP 'bfcpver' Attribute . . . . . . . . . . . . . . . . . 8
6. Multiplexing Considerations . . . . . . . . . . . . . . . . . 9
7. BFCP Connection Management . . . . . . . . . . . . . . . . . 10
7.1. TCP Connection Management . . . . . . . . . . . . . . . . 10
8. TLS/DTLS Considerations . . . . . . . . . . . . . . . . . . . 11
9. ICE Considerations . . . . . . . . . . . . . . . . . . . . . 11
10. SDP Offer/Answer Procedures . . . . . . . . . . . . . . . . . 12
10.1. Generating the Initial SDP Offer . . . . . . . . . . . . 13
10.2. Generating the SDP Answer . . . . . . . . . . . . . . . 13
10.3. Offerer Processing of the SDP Answer . . . . . . . . . . 14
10.4. Modifying the Session . . . . . . . . . . . . . . . . . 15
11. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . 15
12. Security Considerations . . . . . . . . . . . . . . . . . . . 17
13. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17
13.1. Registration of SDP 'proto' Values . . . . . . . . . . . 18
13.2. Registration of the SDP 'floorctrl' Attribute . . . . . 18
13.3. Registration of the SDP 'confid' Attribute . . . . . . . 18
13.4. Registration of the SDP 'userid' Attribute . . . . . . . 18
13.5. Registration of the SDP 'floorid' Attribute . . . . . . 18
13.6. Registration of the SDP 'bfcpver' Attribute . . . . . . 19
14. Changes from RFC 4583 . . . . . . . . . . . . . . . . . . . . 19
15. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 20
16. References . . . . . . . . . . . . . . . . . . . . . . . . . 20
16.1. Normative References . . . . . . . . . . . . . . . . . . 20
16.2. Informational References . . . . . . . . . . . . . . . . 22
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 22
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