BATS Coding Scheme for Multi-hop Data Transport
draft-yang-nwcrg-bats-01

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Internet Engineering Task Force                                  S. Yang
Internet-Draft                                                  X. Huang
Intended status: Informational                                  CUHK(SZ)
Expires: October 26, 2019                                     R.W. Yeung
                                                                    CUHK
                                                                J.K. Zao
                                                                    NCTU
                                                          April 24, 2019

            BATS Coding Scheme for Multi-hop Data Transport
                        draft-yang-nwcrg-bats-01

Abstract

   This document describes a BATS coding scheme for communication
   through multi-hop networks.  BATS code is a class of efficient linear
   network coding scheme with a matrix generalization of fountain codes
   as the outer code, and batch-based linear network coding as the inner
   code.

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   This Internet-Draft will expire on October 26, 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
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   carefully, as they describe your rights and restrictions with respect

Yang, et al.            Expires October 26, 2019                [Page 1]
Internet-Draft                  BATS Code                     April 2019

   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
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
   2.  Procedures  . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Introduction  . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Data Partitioning and Padding . . . . . . . . . . . . . .   4
     2.3.  Data Delivery Procedures  . . . . . . . . . . . . . . . .   4
       2.3.1.  Source Node Procedures  . . . . . . . . . . . . . . .   4
       2.3.2.  Intermediate Node Procedures  . . . . . . . . . . . .   5
       2.3.3.  Destination Node Procedures . . . . . . . . . . . . .   6
     2.4.  Recommendation for the Parameters . . . . . . . . . . . .   6
     2.5.  Example DDP Packet Format . . . . . . . . . . . . . . . .   7
       2.5.1.  Packet Header . . . . . . . . . . . . . . . . . . . .   7
       2.5.2.  Packet Payload  . . . . . . . . . . . . . . . . . . .   7
   3.  BATS Code Specification . . . . . . . . . . . . . . . . . . .   8
     3.1.  Background  . . . . . . . . . . . . . . . . . . . . . . .   8
     3.2.  Outer Code Encoder  . . . . . . . . . . . . . . . . . . .   8
     3.3.  Inner Code Encoder (Recoder) Recommendations  . . . . . .   8
     3.4.  Decoder Recommendations . . . . . . . . . . . . . . . . .   9
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  10
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  10
     5.1.  Provision of Confidentiality Protection . . . . . . . . .  10
     5.2.  Countermeasures against Pollution Attacks . . . . . . . .  11
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  12
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .  12
     6.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Appendix A.  Additional Stuff . . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Introduction

   This document specifies a BATS code [BATS] scheme for data delivery
   in multi-hop networks.  The BATS code described here includes an
   outer code and an inner code.  The outer code is a matrix
   generalization of fountain codes (see also the RapterQ code described
   in RFC 6330 [RFC6330]), which inherits the advantages of reliability
   and efficiency and possesses the extra desirable property of being
   network coding compatible.  The inner code is formed by linear