Packet Loss Signaling for Encrypted Protocols
draft-ferrieuxhamchaoui-quic-lossbits-03

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Last updated 2020-01-16
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QUIC                                                    A. Ferrieux, Ed.
Internet-Draft                                         I. Hamchaoui, Ed.
Intended status: Informational                               Orange Labs
Expires: July 19, 2020                                  I. Lubashev, Ed.
                                                     Akamai Technologies
                                                        D. Tikhonov, Ed.
                                                  LiteSpeed Technologies
                                                        January 16, 2020

             Packet Loss Signaling for Encrypted Protocols
                draft-ferrieuxhamchaoui-quic-lossbits-03

Abstract

   This document defines an extension to the QUIC transport protocol to
   allow endpoints to signal packet loss in a way that can be used by
   network devices to measure and locate the source of the loss.

   Discussion of this work is encouraged to happen on the QUIC IETF
   mailing list quic@ietf.org [1] or on the GitHub repository which
   contains the draft: https://github.com/igorlord/draft-
   ferrieuxhamchaoui-lossbits [2].

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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   This Internet-Draft will expire on July 19, 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

Ferrieux, et al.          Expires July 19, 2020                 [Page 1]
Internet-Draft                  loss-bits                   January 2020

   (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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Notational Conventions  . . . . . . . . . . . . . . . . . . .   3
   3.  Loss Bits . . . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Setting the sQuare Signal Bit on Outgoing Packets . . . .   4
       3.1.1.  Q Run Length Selection  . . . . . . . . . . . . . . .   4
     3.2.  Setting the Loss Event Bit on Outgoing Packets  . . . . .   4
   4.  Using Loss Bits for Passive Loss Measurement  . . . . . . . .   5
     4.1.  End-To-End Loss . . . . . . . . . . . . . . . . . . . . .   5
     4.2.  Upstream Loss . . . . . . . . . . . . . . . . . . . . . .   6
     4.3.  Correlating End-to-End and Upstream Loss  . . . . . . . .   6
     4.4.  Downstream Loss . . . . . . . . . . . . . . . . . . . . .   7
     4.5.  Observer Loss . . . . . . . . . . . . . . . . . . . . . .   7
   5.  QUIC v1 Implementation  . . . . . . . . . . . . . . . . . . .   7
     5.1.  Transport Parameter . . . . . . . . . . . . . . . . . . .   7
     5.2.  Short Packet Header . . . . . . . . . . . . . . . . . . .   8
     5.3.  Header Protection . . . . . . . . . . . . . . . . . . . .   8
   6.  Ossification Considerations . . . . . . . . . . . . . . . . .   8
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
     7.1.  Optimistic ACK Attack . . . . . . . . . . . . . . . . . .   9
   8.  Privacy Considerations  . . . . . . . . . . . . . . . . . . .   9
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   10. Change Log  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     10.1.  Since version 02 . . . . . . . . . . . . . . . . . . . .  10
     10.2.  Since version 01 . . . . . . . . . . . . . . . . . . . .  11
     10.3.  Since version 00 . . . . . . . . . . . . . . . . . . . .  11
   11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  11
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  11
     12.2.  Informative References . . . . . . . . . . . . . . . . .  12
     12.3.  URIs . . . . . . . . . . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12
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