QUIC Interdomain Troubleshooting
draft-stephan-quic-interdomain-troubleshooting-01

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QUIC WG                                                    E. Stephan
Internet Draft                                               M. Cayla
Intended status: Informational                               A. Braud
Expires: January 2019                                        F. Fieau
                                                          A. Ferrieux
                                                               Orange
                                                             M. Ihlar
                                                             Ericsson
                                                          July 2, 2018

                     QUIC Interdomain Troubleshooting
           draft-stephan-quic-interdomain-troubleshooting-01.txt

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
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   This Internet-Draft will expire on January 2, 2018.

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   Copyright (c) 2018 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

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   publication of this document. Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.

Abstract

   On-path network performance measurements methods currently deployed
   contribute to the ossification of the Internet because they are
   expensive to deploy and to maintain. This draft motivates the
   exposure of QUIC header fields for on-path network measurements and
   their specification in the QUIC core protocol as a solution to avoid
   on-path network performance measurements to ossify the IP stack in
   the future.

Table of Contents

   1. Introduction ................................................ 2
   2. Conventions used in this document............................ 3
   3. Interdomain UX troubleshooting............................... 3
   4. Reference of Network Performance............................. 4
   5. Explicit measurement signals................................. 5
   6. QUIC Fallback ............................................... 6
   6.1. Flapping .................................................. 6
   7. Versioning and Implementations............................... 7
   8. Security Considerations...................................... 7
   9. IANA Considerations ......................................... 7
   10. Discussions ................................................ 8
   10.1. Fallback ................................................. 8
   10.2. On-path Measurement....................................... 8
   11. References ................................................. 9
   11.1. Normative References...................................... 9
   11.2. Informative References.................................... 9
   12. Acknowledgments ............................................ 9

1. Introduction

   The IP layer does not include the material for measuring the delay
   and packet losses of segments of a path. The network performance is
   currently measured by points of presence of the path [SPATIAL],
   [COMPO] using transport fields of the upper layers: TCP transport
   layer, RTP application layer...

   The evolution of the Internet stack toward end-to-end integrity
   protection is unavoidable [IABSEC]. This document presents the
   benefits of preserving the same on-path network performance

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   measurement capabilities in the evolution of TCP (TCP/TLS, TCPinc...)
   and UDP (QUIC/UDP...) currently specified at the IETF.

   On-path network performance measurement methods currently deployed
   contribute to the ossification of the Internet because they are
   expensive to deploy and complex to maintain. This is due to the use
   of protocol fields not primarily designed for this purpose. This
   draft motivates the exposure of the fields for on-path network
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