Network coding for satellite systems
draft-irtf-nwcrg-network-coding-satellites-09
Internet Engineering Task Force N. Kuhn, Ed.
Internet-Draft CNES
Intended status: Informational E. Lochin, Ed.
Expires: June 13, 2020 ISAE-SUPAERO
December 11, 2019
Network coding for satellite systems
draft-irtf-nwcrg-network-coding-satellites-09
Abstract
This document is the product of the Coding for Efficient Network
Communications Research Group (NWCRG). It conforms to the directions
found in the NWCRG taxonomy [RFC8406]. Thus, the scope of the
document is network coding as a linear combination of packets in and
above the network layer. Physical and MAC layer coding are beyond
the scope of the document. The draft focuses on a multi-gateway
satellite system and identifies the use-cases where network coding
provides significant performance improvements. The objective is to
contribute to a larger deployment of network coding techniques in
SATCOM to complement already implemented loss recovery mechanisms.
The draft also identifies open research issues related to the
deployment of network coding in SATCOM systems.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on June 13, 2020.
Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved.
Kuhn & Lochin Expires June 13, 2020 [Page 1]
Internet-Draft Network coding for satellite systems December 2019
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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 Networks . . . . . . . . . . . 10
5. Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . 11
6. Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . 11
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 13
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 13
9. Security Considerations . . . . . . . . . . . . . . . . . . . 13
10. Informative References . . . . . . . . . . . . . . . . . . . 13
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 15
1. Introduction
This document is the 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 SATCOM and Internet research
communities about recent developments in Network Coding. A glossary
is proposed in Section 6 to clarify the terminology use throughout
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