Multiplexing Scheme Updates for QUIC
draft-ietf-avtcore-rfc7983bis-00

Document Type Active Internet-Draft (avtcore WG)
Authors Bernard Aboba  , Gonzalo Salgueiro  , Colin Perkins 
Last updated 2020-11-21
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AVTCORE Working Group                                           B. Aboba
INTERNET-DRAFT                                     Microsoft Corporation
Updates: 7983, 5764                                         G. Salgueiro
Category: Standards Track                                  Cisco Systems
Expires: May 21, 2021                                         C. Perkins
                                                   University of Glasgow
                                                        21 November 2020

                  Multiplexing Scheme Updates for QUIC
                  draft-ietf-avtcore-rfc7983bis-00.txt

Abstract

   This document defines how QUIC, Datagram Transport Layer Security
   (DTLS), Real-time Transport Protocol (RTP), RTP Control Protocol
   (RTCP), Session Traversal Utilities for NAT (STUN), Traversal Using
   Relays around NAT (TURN), and ZRTP packets are multiplexed on a
   single receiving socket.

   This document updates RFC 7983 and RFC 5764.

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
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on May 21, 2021.

Aboba, et. al                Standards Track                    [Page 1]
INTERNET-DRAFT    Multiplexing Scheme Updates for QUIC  21 November 2020

Copyright Notice

   Copyright (c) 2020 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
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   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Multiplexing of TURN Channels . . . . . . . . . . . . . . . .   3
   3.  Updates to RFC 7983 . . . . . . . . . . . . . . . . . . . . .   4
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   6
   6. References . . . . . . . . . . . . . . . . . . . . . . . . . .   6
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .   6
     6.2.  Informative References  . . . . . . . . . . . . . . . . .   7
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .   7
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   8

Aboba, et. al                Standards Track                    [Page 2]
INTERNET-DRAFT    Multiplexing Scheme Updates for QUIC  21 November 2020

1.  Introduction

   "Multiplexing Scheme Updates for Secure Real-time Transport Protocol
   (SRTP) Extension for Datagram Transport Layer Security (DTLS)"
   [RFC7983] defines a scheme for a Real-time Transport Protocol (RTP)
   [RFC3550] receiver to demultiplex DTLS [RFC6347], Session Traversal
   Utilities for NAT (STUN) [RFC5389], Secure Real-time Transport
   Protocol (SRTP) / Secure Real-time Transport Control Protocol (SRTCP)
   [RFC3711], ZRTP [RFC6189] and TURN Channel packets arriving on a
   single port.

   This document updates [RFC7983] and [RFC5764] to also allow QUIC [I-
   D.ietf-quic-transport] to be multiplexed on the same port.  For peer-
   to-peer operation in WebRTC scenarios as described in [WEBRTC-
   QUIC][WEBRTC-QUIC-TRIAL], RTP is used to transport audio and video
   and QUIC is used for data exchange, SRTP [RFC3711] is keyed using
   DTLS-SRTP [RFC5764] and therefore SRTP/SRTCP [RFC3550], STUN, TURN,
   DTLS [RFC6347] and QUIC need to be multiplexed on the same port.

   Since new versions of QUIC are allowed to change aspects of the wire
   image, there is no guarantee that future versions of QUIC beyond
   version 1 will adhere to the multiplexing scheme described in this
   document.

1.1.  Terminology

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].
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