Transports for WebRTC
draft-ietf-rtcweb-transports-17

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Network Working Group                                      H. Alvestrand
Internet-Draft                                                    Google
Intended status: Standards Track                        October 26, 2016
Expires: April 29, 2017

                         Transports for WebRTC
                    draft-ietf-rtcweb-transports-17

Abstract

   This document describes the data transport protocols used by WebRTC,
   including the protocols used for interaction with intermediate boxes
   such as firewalls, relays and NAT boxes.

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 April 29, 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
   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.

Alvestrand               Expires April 29, 2017                 [Page 1]
Internet-Draft              WebRTC Transports               October 2016

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements language . . . . . . . . . . . . . . . . . . . .   3
   3.  Transport and Middlebox specification . . . . . . . . . . . .   3
     3.1.  System-provided interfaces  . . . . . . . . . . . . . . .   3
     3.2.  Ability to use IPv4 and IPv6  . . . . . . . . . . . . . .   4
     3.3.  Usage of temporary IPv6 addresses . . . . . . . . . . . .   4
     3.4.  Middle box related functions  . . . . . . . . . . . . . .   5
     3.5.  Transport protocols implemented . . . . . . . . . . . . .   6
   4.  Media Prioritization  . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Local prioritization  . . . . . . . . . . . . . . . . . .   8
     4.2.  Usage of Quality of Service - DSCP and Multiplexing . . .   9
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  11
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  11
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Appendix A.  Change log . . . . . . . . . . . . . . . . . . . . .  16
     A.1.  Changes from -00 to -01 . . . . . . . . . . . . . . . . .  16
     A.2.  Changes from -01 to -02 . . . . . . . . . . . . . . . . .  16
     A.3.  Changes from -02 to -03 . . . . . . . . . . . . . . . . .  17
     A.4.  Changes from -03 to -04 . . . . . . . . . . . . . . . . .  17
     A.5.  Changes from -04 to -05 . . . . . . . . . . . . . . . . .  17
     A.6.  Changes from -05 to -06 . . . . . . . . . . . . . . . . .  17
     A.7.  Changes from -06 to -07 . . . . . . . . . . . . . . . . .  18
     A.8.  Changes from -07 to -08 . . . . . . . . . . . . . . . . .  18
     A.9.  Changes from -08 to -09 . . . . . . . . . . . . . . . . .  18
     A.10. Changes from -09 to -10 . . . . . . . . . . . . . . . . .  18
     A.11. Changes from -10 to -11 . . . . . . . . . . . . . . . . .  18
     A.12. Changes from -11 to -12 . . . . . . . . . . . . . . . . .  19
     A.13. Changes from -12 to -13 . . . . . . . . . . . . . . . . .  19
     A.14. Changes from -13 to -14 . . . . . . . . . . . . . . . . .  19
     A.15. Changes from -14 to -15 . . . . . . . . . . . . . . . . .  19
     A.16. Changes from -15 to -16 . . . . . . . . . . . . . . . . .  19
     A.17. Changes from -16 to -17 . . . . . . . . . . . . . . . . .  20
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  20

1.  Introduction

   WebRTC is a protocol suite aimed at real time multimedia exchange
   between browsers, and between browsers and other entities.

   WebRTC is described in the WebRTC overview document,
   [I-D.ietf-rtcweb-overview], which also defines terminology used in