Implementing Interfaces to Transport Services
draft-ietf-taps-impl-05

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TAPS Working Group                                     A. Brunstrom, Ed.
Internet-Draft                                       Karlstad University
Intended status: Informational                             T. Pauly, Ed.
Expires: May 7, 2020                                          Apple Inc.
                                                             T. Enghardt
                                                               TU Berlin
                                                           K-J. Grinnemo
                                                     Karlstad University
                                                                T. Jones
                                                  University of Aberdeen
                                                               P. Tiesel
                                                               TU Berlin
                                                              C. Perkins
                                                   University of Glasgow
                                                                M. Welzl
                                                      University of Oslo
                                                       November 04, 2019

             Implementing Interfaces to Transport Services
                        draft-ietf-taps-impl-05

Abstract

   The Transport Services architecture [I-D.ietf-taps-arch] defines a
   system that allows applications to use transport networking protocols
   flexibly.  This document serves as a guide to implementation on how
   to build such a system.

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
   working documents as Internet-Drafts.  The list of current Internet-
   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."

   This Internet-Draft will expire on May 7, 2020.

Brunstrom, et al.          Expires May 7, 2020                  [Page 1]
Internet-Draft             TAPS Implementation             November 2019

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
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Implementing Connection Objects . . . . . . . . . . . . . . .   4
   3.  Implementing Pre-Establishment  . . . . . . . . . . . . . . .   4
     3.1.  Configuration-time errors . . . . . . . . . . . . . . . .   5
     3.2.  Role of system policy . . . . . . . . . . . . . . . . . .   6
   4.  Implementing Connection Establishment . . . . . . . . . . . .   6
     4.1.  Candidate Gathering . . . . . . . . . . . . . . . . . . .   8
       4.1.1.  Gathering Endpoint Candidates . . . . . . . . . . . .   8
       4.1.2.  Structuring Options as a Tree . . . . . . . . . . . .   9
       4.1.3.  Branch Types  . . . . . . . . . . . . . . . . . . . .  11
     4.2.  Branching Order-of-Operations . . . . . . . . . . . . . .  13
     4.3.  Sorting Branches  . . . . . . . . . . . . . . . . . . . .  14
     4.4.  Candidate Racing  . . . . . . . . . . . . . . . . . . . .  15
       4.4.1.  Delayed . . . . . . . . . . . . . . . . . . . . . . .  16
       4.4.2.  Failover  . . . . . . . . . . . . . . . . . . . . . .  17
     4.5.  Completing Establishment  . . . . . . . . . . . . . . . .  17
       4.5.1.  Determining Successful Establishment  . . . . . . . .  18
     4.6.  Establishing multiplexed connections  . . . . . . . . . .  18
     4.7.  Handling racing with "unconnected" protocols  . . . . . .  19
     4.8.  Implementing listeners  . . . . . . . . . . . . . . . . .  19
       4.8.1.  Implementing listeners for Connected Protocols  . . .  20
       4.8.2.  Implementing listeners for Unconnected Protocols  . .  20
       4.8.3.  Implementing listeners for Multiplexed Protocols  . .  20
   5.  Implementing Sending and Receiving Data . . . . . . . . . . .  21
     5.1.  Sending Messages  . . . . . . . . . . . . . . . . . . . .  21