Considerations for Unreliable Streams in QUIC
draft-tiesel-quic-unreliable-streams-00

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QUIC Working Group                                             P. Tiesel
Internet-Draft                                                 M. Palmer
Intended status: Informational                         B. Chandrasekaran
Expires: March 9, 2018                                       A. Feldmann
                                                               TU Berlin
                                                                  J. Ott
                                                               TU Munich
                                                      September 05, 2017

             Considerations for Unreliable Streams in QUIC
                draft-tiesel-quic-unreliable-streams-00

Abstract

   This memo outlines support for unreliable streams in QUIC.  This
   draft contains a collection of considerations and requirements for
   unreliable streams in QUIC based on [I-D.draft-ietf-quic-transport].
   It provides to alternatives demonstrating how unreliable streams can
   be realized.  The intention of this document is to collect
   considerations regarding unreliable streams in QUIC and to frame the
   design space.  All content of this memo is supposed to be merged into
   [I-D.draft-ietf-quic-transport], [I-D.draft-ietf-quic-recovery] and,
   [I-D.draft-ietf-quic-applicability] once unreliable streams get
   integrated with QUIC.

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
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   This Internet-Draft will expire on March 9, 2018.

Copyright Notice

   Copyright (c) 2017 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Tiesel, et al.            Expires March 9, 2018                 [Page 1]
Internet-Draft           QUIC Unreliable Streams          September 2017

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Table of Contents

   1.  Conventions and Definitions . . . . . . . . . . . . . . . . .   2
   2.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Connection Level Considerations . . . . . . . . . . . . . . .   3
     3.1.  Unreliable Stream Support Negotiation . . . . . . . . . .   3
   4.  Stream Level Considerations . . . . . . . . . . . . . . . . .   3
     4.1.  Stream Open . . . . . . . . . . . . . . . . . . . . . . .   3
     4.2.  Stream Close  . . . . . . . . . . . . . . . . . . . . . .   4
     4.3.  Stream ID 0x0 . . . . . . . . . . . . . . . . . . . . . .   4
     4.4.  Congestion Control on Unreliable Streams  . . . . . . . .   4
     4.5.  Flow Control on Unreliable Streams  . . . . . . . . . . .   4
   5.  Application Interface Considerations  . . . . . . . . . . . .   4
     5.1.  Retransmissions within Unreliable Streams . . . . . . . .   4
     5.2.  Presentation of Unreliable Streams  . . . . . . . . . . .   5
     5.3.  Prioritization of Unreliable Streams  . . . . . . . . . .   5
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   5
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   5
   8.  Informative References  . . . . . . . . . . . . . . . . . . .   5
   Appendix A.  Proposal with Application Layer Indicated
                Reliability  . . . . . . . . . . . . . . . . . . . .   6
     A.1.  Stream Close  . . . . . . . . . . . . . . . . . . . . . .   6
   Appendix B.  Proposal with Stream Frame Indicated Reliability . .   6
     B.1.  Stream Open . . . . . . . . . . . . . . . . . . . . . . .   7
     B.2.  Stream Close  . . . . . . . . . . . . . . . . . . . . . .   7
     B.3.  CLOSE_STREAM Frame  . . . . . . . . . . . . . . . . . . .   7
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   8

1.  Conventions and Definitions

   The words "MUST", "MUST NOT", "SHALL", "SHALL NOT", "SHOULD", and
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