QUIC Plugins
draft-piraux-quic-plugins-00

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Last updated 2020-03-09
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QUIC Working Group                                             M. Piraux
Internet-Draft                                             Q. De Coninck
Intended status: Experimental                                  F. Michel
Expires: 10 September 2020                                     F. Rochet
                                                          O. Bonaventure
                                                               UCLouvain
                                                            9 March 2020

                              QUIC Plugins
                      draft-piraux-quic-plugins-00

Abstract

   The extensibility of Internet protocols is a key factor to their
   success.  Yet, their implementations are often not designed with
   agility in mind.  In this document, we leverage the features of the
   QUIC protocol and propose a solution to dynamically extend QUIC
   implementations.  Our solution relies on QUIC Plugins that allow
   tuning and extending the QUIC protocol on a per-connection basis.
   These platform-independent plugins are executed inside a sandboxed
   environment which can be included in QUIC implementations.  We
   describe how such plugins can be used in different use cases.

   This document is a straw-man proposal.  It aims at sparking
   discussions on the proposed approach.

Note to Readers

   Discussion of this document takes place on the QUIC Working Group
   mailing list (quic@ietf.org), which is archived at
   https://mailarchive.ietf.org/arch/browse/quic/
   (https://mailarchive.ietf.org/arch/browse/quic/).

   Source for this draft and an issue tracker can be found at
   https://github.com/mpiraux/draft-piraux-quic-plugins
   (https://github.com/mpiraux/draft-piraux-quic-plugins).

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 https://datatracker.ietf.org/drafts/current/.

Piraux, et al.          Expires 10 September 2020               [Page 1]
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   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 10 September 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 (https://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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Dynamically extensible protocol implementations . . . . . . .   6
     2.1.  Requirements  . . . . . . . . . . . . . . . . . . . . . .   8
   3.  Pluginizing QUIC  . . . . . . . . . . . . . . . . . . . . . .   9
   4.  Exchanging QUIC Plugins . . . . . . . . . . . . . . . . . . .  10
   5.  Examples of use-cases . . . . . . . . . . . . . . . . . . . .  11
     5.1.  Tunable acknowledgments policy  . . . . . . . . . . . . .  11
     5.2.  Pluggable congestion controller . . . . . . . . . . . . .  11
     5.3.  Application-driven stream scheduling  . . . . . . . . . .  12
     5.4.  More advanced QUIC extensions . . . . . . . . . . . . . .  12
   6.  QUIC Plugins Authenticity . . . . . . . . . . . . . . . . . .  12
     6.1.  Central Authorities . . . . . . . . . . . . . . . . . . .  13
     6.2.  Plugin Transparency . . . . . . . . . . . . . . . . . . .  13
     6.3.  Comparing Certificate Transparency and Plugin
           Transparency  . . . . . . . . . . . . . . . . . . . . . .  13
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  14
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  14
   9.  Informative References  . . . . . . . . . . . . . . . . . . .  14
   Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18

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1.  Introduction

   Internet hosts rely on protocols to efficiently exchange information.
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