Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams
draft-ietf-bfcpbis-rfc4583bis-27
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
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This Internet-Draft will expire on June 11, 2019.
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Camarillo, et al. Expires June 11, 2019 [Page 1]
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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
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