On the Usage of Transport Features Provided by IETF Transport Protocols
RFC 8303

Document Type RFC - Informational (February 2018; No errata)
Last updated 2018-02-07
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Send notices to Zaheduzzaman Sarker <Zaheduzzaman.Sarker@ericsson.com>
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Internet Engineering Task Force (IETF)                          M. Welzl
Request for Comments: 8303                            University of Oslo
Category: Informational                                        M. Tuexen
ISSN: 2070-1721                         Muenster Univ. of Appl. Sciences
                                                              N. Khademi
                                                      University of Oslo
                                                           February 2018

                   On the Usage of Transport Features
                  Provided by IETF Transport Protocols

Abstract

   This document describes how the transport protocols Transmission
   Control Protocol (TCP), MultiPath TCP (MPTCP), Stream Control
   Transmission Protocol (SCTP), User Datagram Protocol (UDP), and
   Lightweight User Datagram Protocol (UDP-Lite) expose services to
   applications and how an application can configure and use the
   features that make up these services.  It also discusses the service
   provided by the Low Extra Delay Background Transport (LEDBAT)
   congestion control mechanism.  The description results in a set of
   transport abstractions that can be exported in a transport services
   (TAPS) API.

Status of This Memo

   This document is not an Internet Standards Track specification; it is
   published for informational purposes.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Not all documents
   approved by the IESG are a candidate for any level of Internet
   Standard; see Section 2 of RFC 7841.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   https://www.rfc-editor.org/info/rfc8303.

Welzl, et al.                 Informational                     [Page 1]
RFC 8303                   Transport Services              February 2018

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
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   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 ....................................................3
   2. Terminology .....................................................5
   3. Pass 1 ..........................................................6
      3.1. Primitives Provided by TCP .................................6
           3.1.1. Excluded Primitives or Parameters ...................9
      3.2. Primitives Provided by MPTCP ..............................10
      3.3. Primitives Provided by SCTP ...............................11
           3.3.1. Excluded Primitives or Parameters ..................18
      3.4. Primitives Provided by UDP and UDP-Lite ...................18
      3.5. The Service of LEDBAT .....................................19
   4. Pass 2 .........................................................20
      4.1. CONNECTION-Related Primitives .............................21
      4.2. DATA-Transfer-Related Primitives ..........................38
   5. Pass 3 .........................................................41
      5.1. CONNECTION-Related Transport Features .....................41
      5.2. DATA-Transfer-Related Transport Features ..................47
           5.2.1. Sending Data .......................................47
           5.2.2. Receiving Data .....................................48
           5.2.3. Errors .............................................49
   6. IANA Considerations ............................................49
   7. Security Considerations ........................................49
   8. References .....................................................50
      8.1. Normative References ......................................50
      8.2. Informative References ....................................52
   Appendix A. Overview of RFCs Used as Input for Pass 1 .............54
   Appendix B. How This Document Was Developed .......................54
   Acknowledgements ..................................................56
   Authors' Addresses ................................................56

Welzl, et al.                 Informational                     [Page 2]
RFC 8303                   Transport Services              February 2018
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