An Abstract Application Layer Interface to Transport Services
draft-ietf-taps-interface-02

Document Type Active Internet-Draft (taps WG)
Last updated 2018-10-22
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TAPS Working Group                                      B. Trammell, Ed.
Internet-Draft                                                ETH Zurich
Intended status: Standards Track                           M. Welzl, Ed.
Expires: April 25, 2019                               University of Oslo
                                                             T. Enghardt
                                                               TU Berlin
                                                            G. Fairhurst
                                                  University of Aberdeen
                                                           M. Kuehlewind
                                                              ETH Zurich
                                                              C. Perkins
                                                   University of Glasgow
                                                               P. Tiesel
                                                               TU Berlin
                                                                 C. Wood
                                                              Apple Inc.
                                                        October 22, 2018

     An Abstract Application Layer Interface to Transport Services
                      draft-ietf-taps-interface-02

Abstract

   This document describes an abstract programming interface to the
   transport layer, following the Transport Services Architecture.  It
   supports the asynchronous, atomic transmission of messages over
   transport protocols and network paths dynamically selected at
   runtime.  It is intended to replace the traditional BSD sockets API
   as the lowest common denominator interface to the transport layer, in
   an environment where endpoints have multiple interfaces and potential
   transport protocols to select from.

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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   Drafts is at https://datatracker.ietf.org/drafts/current/.

   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."

Trammell, et al.         Expires April 25, 2019                 [Page 1]
Internet-Draft               TAPS Interface                 October 2018

   This Internet-Draft will expire on April 25, 2019.

Copyright Notice

   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
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   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  . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Terminology and Notation  . . . . . . . . . . . . . . . . . .   5
   3.  Interface Design Principles . . . . . . . . . . . . . . . . .   6
   4.  API Summary . . . . . . . . . . . . . . . . . . . . . . . . .   7
     4.1.  Transport Properties  . . . . . . . . . . . . . . . . . .   7
     4.2.  Scope of the Interface Definition . . . . . . . . . . . .   8
   5.  Pre-Establishment Phase . . . . . . . . . . . . . . . . . . .   9
     5.1.  Specifying Endpoints  . . . . . . . . . . . . . . . . . .   9
     5.2.  Specifying Transport Properties . . . . . . . . . . . . .  11
       5.2.1.  Reliable Data Transfer (Connection) . . . . . . . . .  13
       5.2.2.  Configure per-Message reliability . . . . . . . . . .  13
       5.2.3.  Preservation of data ordering . . . . . . . . . . . .  13
       5.2.4.  Use 0-RTT session establishment with an idempotent
               Message . . . . . . . . . . . . . . . . . . . . . . .  13
       5.2.5.  Multistream Connections in Group  . . . . . . . . . .  13
       5.2.6.  Control checksum coverage on sending or receiving . .  13
       5.2.7.  Congestion control  . . . . . . . . . . . . . . . . .  14
       5.2.8.  Interface Instance or Type  . . . . . . . . . . . . .  14
       5.2.9.  Provisioning Domain Instance or Type  . . . . . . . .  15
     5.3.  Specifying Security Parameters and Callbacks  . . . . . .  15
       5.3.1.  Pre-Connection Parameters . . . . . . . . . . . . . .  16
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