An Architecture for Transport Services
draft-ietf-taps-arch-06

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Last updated 2020-01-13 (latest revision 2019-12-23)
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TAPS Working Group                                         T. Pauly, Ed.
Internet-Draft                                                Apple Inc.
Intended status: Standards Track                        B. Trammell, Ed.
Expires: 25 June 2020                                             Google
                                                            A. Brunstrom
                                                     Karlstad University
                                                            G. Fairhurst
                                                  University of Aberdeen
                                                              C. Perkins
                                                   University of Glasgow
                                                               P. Tiesel
                                                               TU Berlin
                                                                 C. Wood
                                                              Apple Inc.
                                                        23 December 2019

                 An Architecture for Transport Services
                        draft-ietf-taps-arch-06

Abstract

   This document describes an architecture for exposing transport
   protocol features to applications for network communication, the
   Transport Services architecture.  The Transport Services Application
   Programming Interface (API) is based on an asynchronous, event-driven
   interaction pattern.  It uses messages for representing data transfer
   to applications, and it assumes an implementation that can use
   multiple IP addresses, multiple protocols, and multiple paths, and
   provide multiple application streams.  This document further defines
   common terminology and concepts to be used in definitions of
   Transport Services APIs and implementations.

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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   Internet-Drafts are draft documents valid for a maximum of six months
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Pauly, et al.             Expires 25 June 2020                  [Page 1]
Internet-Draft              TAPS Architecture              December 2019

   This Internet-Draft will expire on 25 June 2020.

Copyright Notice

   Copyright (c) 2019 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
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   extracted from this document must include Simplified BSD License text
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   provided without warranty as described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Background  . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.3.  Specification of Requirements . . . . . . . . . . . . . .   5
   2.  API Model . . . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.1.  Event-Driven API  . . . . . . . . . . . . . . . . . . . .   7
     2.2.  Data Transfer Using Messages  . . . . . . . . . . . . . .   7
     2.3.  Flexibile Implementation  . . . . . . . . . . . . . . . .   8
   3.  Design Principles . . . . . . . . . . . . . . . . . . . . . .   9
     3.1.  Common APIs for Common Features . . . . . . . . . . . . .   9
     3.2.  Access to Specialized Features  . . . . . . . . . . . . .   9
     3.3.  Scope for API and Implementation Definitions  . . . . . .  10
   4.  Transport Services Architecture and Concepts  . . . . . . . .  11
     4.1.  Transport Services API Concepts . . . . . . . . . . . . .  12
       4.1.1.  Connections and Related Objects . . . . . . . . . . .  14
       4.1.2.  Pre-Establishment . . . . . . . . . . . . . . . . . .  15
       4.1.3.  Establishment Actions . . . . . . . . . . . . . . . .  16
       4.1.4.  Data Transfer Objects and Actions . . . . . . . . . .  17
       4.1.5.  Event Handling  . . . . . . . . . . . . . . . . . . .  18
       4.1.6.  Termination Actions . . . . . . . . . . . . . . . . .  18
     4.2.  Transport System Implementation Concepts  . . . . . . . .  19
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