Network coding for satellite systems
draft-irtf-nwcrg-network-coding-satellites-15

Document Type Active Internet-Draft (nwcrg RG)
Authors Nicolas Kuhn  , Emmanuel Lochin 
Last updated 2020-10-30
Replaces draft-kuhn-nwcrg-network-coding-satellites
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NetWork Communications Research Group (NWCRG)               N. Kuhn, Ed.
Internet-Draft                                                      CNES
Intended status: Informational                            E. Lochin, Ed.
Expires: May 3, 2021                                                ENAC
                                                        October 30, 2020

                  Network coding for satellite systems
             draft-irtf-nwcrg-network-coding-satellites-15

Abstract

   This document is one product of the Coding for Efficient Network
   Communications Research Group (NWCRG).  It conforms to the directions
   found in the NWCRG taxonomy.

   The objective is to contribute to a larger deployment of network
   coding techniques in and above the network layer in satellite
   communication systems.  The document also identifies open research
   issues related to the deployment of network coding in satellite
   communication systems.

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 3, 2021.

Copyright Notice

   Copyright (c) 2020 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

Kuhn & Lochin              Expires May 3, 2021                  [Page 1]
Internet-Draft    Network coding for satellite systems      October 2020

   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  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  A Note on Satellite Networks Topology . . . . . . . . . . . .   3
   3.  Use-cases for Improving SATCOM System Performance Using
       Network Coding  . . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Two-way Relay Channel Mode  . . . . . . . . . . . . . . .   5
     3.2.  Reliable Multicast  . . . . . . . . . . . . . . . . . . .   5
     3.3.  Hybrid Access . . . . . . . . . . . . . . . . . . . . . .   6
     3.4.  LAN Packet Losses . . . . . . . . . . . . . . . . . . . .   7
     3.5.  Varying Channel Conditions  . . . . . . . . . . . . . . .   8
     3.6.  Improving Gateway Handover  . . . . . . . . . . . . . . .   8
   4.  Research Challenges . . . . . . . . . . . . . . . . . . . . .   9
     4.1.  Joint-use of Network Coding and Congestion Control in
           SATCOM Systems  . . . . . . . . . . . . . . . . . . . . .   9
     4.2.  Efficient Use of Satellite Resources  . . . . . . . . . .  10
     4.3.  Interaction with Virtualized Satellite Gateways and
           Terminals . . . . . . . . . . . . . . . . . . . . . . . .  10
     4.4.  Delay/Disruption Tolerant Networking (DTN)  . . . . . . .  10
   5.  Conclusion  . . . . . . . . . . . . . . . . . . . . . . . . .  11
   6.  Glossary  . . . . . . . . . . . . . . . . . . . . . . . . . .  11
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  13
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   10. Informative References  . . . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  16

1.  Introduction

   This document is one product of and represents the collaborative work
   and consensus of the Coding for Efficient Network Communications
   Research Group (NWCRG); while it is not an IETF product and not a
   standard it intends to inform the SATellite COMmunication (SATCOM)
   and Internet research communities about recent developments in
   Network Coding.  A glossary is included in Section 6 to clarify the
   terminology use throughout the document.

   As will be shown in this document, the implementation of network
   coding techniques above the network layer, at application or
   transport layers (as described in [RFC1122]), offers an opportunity
   for improving the end-to-end performance of SATCOM systems.  While
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