QUIC Version Aliasing
draft-duke-quic-version-aliasing-03

QUIC                                                             M. Duke
Internet-Draft                                         F5 Networks, Inc.
Intended status: Experimental                            30 October 2020
Expires: 3 May 2021

                         QUIC Version Aliasing
                  draft-duke-quic-version-aliasing-03

Abstract

   The QUIC transport protocol [QUIC-TRANSPORT] preserves its future
   extensibility partly by specifying its version number.  There will be
   a relatively small number of published version numbers for the
   foreseeable future.  This document provides a method for clients and
   servers to negotiate the use of other version numbers in subsequent
   connections and encrypts Initial Packets using secret keys instead of
   standard ones.  If a sizeable subset of QUIC connections use this
   mechanism, this should prevent middlebox ossification around the
   current set of published version numbers and the contents of QUIC
   Initial packets, as well as improving the protocol's privacy
   properties.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on 3 May 2021.

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 (https://trustee.ietf.org/
   license-info) in effect on the date of publication of this document.

Duke                       Expires 3 May 2021                   [Page 1]
Internet-Draft            QUIC Version Aliasing             October 2020

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Protocol Overview . . . . . . . . . . . . . . . . . . . . . .   4
   3.  The Version Alias Transport Parameter . . . . . . . . . . . .   4
     3.1.  Version Number Generation . . . . . . . . . . . . . . . .   4
     3.2.  Initial Token Extension (ITE) Generation  . . . . . . . .   5
     3.3.  Salt and Packet Length Offset Generation  . . . . . . . .   5
     3.4.  Expiration Time . . . . . . . . . . . . . . . . . . . . .   6
     3.5.  Format  . . . . . . . . . . . . . . . . . . . . . . . . .   6
     3.6.  Multiple Servers for One Doma