Network coding and satellites
draft-kuhn-nwcrg-network-coding-satellites-00

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Internet Engineering Task Force                             N. Kuhn, Ed.
Internet-Draft                                                      CNES
Intended status: Informational                            E. Lochin, Ed.
Expires: December 31, 2017                                          ISAE
                                                           June 29, 2017

                     Network coding and satellites
             draft-kuhn-nwcrg-network-coding-satellites-00

Abstract

   This memo presents the current deployment of network coding in some
   satellite telecommunications systems along with a discussion on the
   multiple opportunities to introduce these technics at a wider scale.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
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   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
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   This Internet-Draft will expire on December 31, 2017.

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   Copyright (c) 2017 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
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Glossary  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.2.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  A note on satellite topology  . . . . . . . . . . . . . . . .   3
     2.1.  Generic description of multi-gateway satellite networks .   3
     2.2.  Focus on satellite gateway description  . . . . . . . . .   3
   3.  Status of network coding in actually deployed satellite
       systems . . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Opportunities for more network coding in satellite systems  .   4
   5.  Deployability and related use cases . . . . . . . . . . . . .   4
     5.1.  Network coding and VNF  . . . . . . . . . . . . . . . . .   4
     5.2.  Network coding and PEP  . . . . . . . . . . . . . . . . .   4
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   4
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .   4
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   4
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   4
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     10.1.  Normative References . . . . . . . . . . . . . . . . . .   4
     10.2.  Informative References . . . . . . . . . . . . . . . . .   5
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   5

1.  Introduction

   Network coding schemes are inherent part of the satellite systems,
   since the challenging physical layer require specific robustness to
   guarantee an efficient usage of the expensive radio resource.
   Further exploiting these schemes is an opportunity for a better end
   user experience along with a better exploitation of the scarce
   resource.

   In this context, this memo aims at:

   o  summing up the current deployment of network coding schemes;

   o  identifying opportunities for further usage of network coding in
      satellite systems.

1.1.  Glossary

   The glossary of this memo is related to the network coding taxonomy
   document [I-D.irtf-nwcrg-network-coding-taxonomy].

   The glossary is extended as follows:

   o  XX: XX

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1.2.  Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
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