WebRTC Data Channel Establishment Protocol
draft-ietf-rtcweb-data-protocol-09
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Active Internet-Draft (rtcweb WG)
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Last updated |
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2015-10-14
(latest revision 2015-01-04)
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draft-jesup-rtcweb-data-protocol
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IETF
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Intended RFC status |
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Proposed Standard
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plain text
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WG state
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Submitted to IESG for Publication
(wg milestone:
May 2014 - Send Data Stream Tra...
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Document shepherd |
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Ted Hardie
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Shepherd write-up |
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Show
(last changed 2014-10-09)
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RFC Ed Queue
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Yes
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Responsible AD |
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Alissa Cooper
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(None)
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Version Changed - Review Needed
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RFC-Ed-Ack
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MISSREF |
Network Working Group R. Jesup
Internet-Draft Mozilla
Intended status: Standards Track S. Loreto
Expires: July 8, 2015 Ericsson
M. Tuexen
Muenster Univ. of Appl. Sciences
January 4, 2015
WebRTC Data Channel Establishment Protocol
draft-ietf-rtcweb-data-protocol-09.txt
Abstract
The WebRTC framework specifies protocol support for direct
interactive rich communication using audio, video, and data between
two peers' web-browsers. This document specifies a simple protocol
for establishing symmetric Data Channels between the peers. It uses
a two way handshake and allows sending of user data without waiting
for the handshake to complete.
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 July 8, 2015.
Copyright Notice
Copyright (c) 2015 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
carefully, as they describe your rights and restrictions with respect
Jesup, et al. Expires July 8, 2015 [Page 1]
Internet-Draft WebRTC Data Channel Establishment Protocol January 2015
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. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Protocol Overview . . . . . . . . . . . . . . . . . . . . . . 3
5. Message Formats . . . . . . . . . . . . . . . . . . . . . . . 4
5.1. DATA_CHANNEL_OPEN Message . . . . . . . . . . . . . . . . 4
5.2. DATA_CHANNEL_ACK Message . . . . . . . . . . . . . . . . 7
6. Procedures . . . . . . . . . . . . . . . . . . . . . . . . . 7
7. Security Considerations . . . . . . . . . . . . . . . . . . . 8
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
8.1. SCTP Payload Protocol Identifier . . . . . . . . . . . . 9
8.2. New Standalone Registry for the DCEP . . . . . . . . . . 9
8.2.1. New Message Type Registry . . . . . . . . . . . . . . 9
8.2.2. New Channel Type Registry . . . . . . . . . . . . . . 10
9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 11
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 11
10.1. Normative References . . . . . . . . . . . . . . . . . . 11
10.2. Informational References . . . . . . . . . . . . . . . . 12
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 12
1. Introduction
The Data Channel Establishment Protocol (DCEP) is designed to
provide, in the WebRTC Data Channel context
[I-D.ietf-rtcweb-data-channel], a simple in-band method to open
symmetric Data Channels. As discussed in
[I-D.ietf-rtcweb-data-channel], the protocol uses the Stream Control
Transmission Protocol (SCTP) [RFC4960] encapsulated in the Datagram
Transport Layer Security (DTLS) as described in
[I-D.ietf-tsvwg-sctp-dtls-encaps] to benefit from their already
standardized transport and security features. DTLS 1.0 is defined in
[RFC4347] and the present latest version, DTLS 1.2, is defined in
[RFC6347].
2. Conventions
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
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