Transferring Bulk Data over the GeneRic Autonomic Signaling Protocol (GRASP)
draft-carpenter-anima-grasp-bulk-05

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Network Working Group                                    B. E. Carpenter
Internet-Draft                                         Univ. of Auckland
Intended status: Informational                                  S. Jiang
Expires: 13 July 2020                                             B. Liu
                                            Huawei Technologies Co., Ltd
                                                         10 January 2020

  Transferring Bulk Data over the GeneRic Autonomic Signaling Protocol
                                (GRASP)
                  draft-carpenter-anima-grasp-bulk-05

Abstract

   This document describes how bulk data may be transferred between
   Autonomic Service Agents via the GeneRic Autonomic Signaling Protocol
   (GRASP).  Although not an equivalent of a file transfer protocol,
   such a technique may be used for non-urgent transfer of data too
   large to fit into a normal GRASP message.

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   This Internet-Draft will expire on 13 July 2020.

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Carpenter, et al.         Expires 13 July 2020                  [Page 1]
Internet-Draft            Bulk data over GRASP              January 2020

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  General Method for Bulk Transfer  . . . . . . . . . . . . . .   3
   3.  Example for File Transfer . . . . . . . . . . . . . . . . . .   4
   4.  Loss Detection  . . . . . . . . . . . . . . . . . . . . . . .   7
   5.  Maximum Transmission Unit . . . . . . . . . . . . . . . . . .   7
   6.  Pipelining  . . . . . . . . . . . . . . . . . . . . . . . . .   8
   7.  Other Considerations  . . . . . . . . . . . . . . . . . . . .   8
   8.  Possible Future Work  . . . . . . . . . . . . . . . . . . . .   8
   9.  Implementation Status [RFC Editor: please remove] . . . . . .   9
   10. Security Considerations . . . . . . . . . . . . . . . . . . .   9
   11. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   12. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   9
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     13.1.  Normative References . . . . . . . . . . . . . . . . . .   9
     13.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Appendix A.  Change log [RFC Editor: Please remove] . . . . . . .  10
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   The document [I-D.liu-anima-grasp-distribution] discusses how
   information may be distributed within the secure Autonomic Networking
   Infrastructure (ANI) [I-D.ietf-anima-reference-model].  Specifically,
   it describes using the Synchronization and Flood Synchronization
   mechanisms of the GeneRic Autonomic Signaling Protocol (GRASP)
   [I-D.ietf-anima-grasp] for this purpose as well as proposing GRASP
   extensions to support a publish/subscribe model.  However, those
   mechanisms are limited to distributing GRASP Objective Options
   contained in messages that cannot exceed the GRASP maximum message
   size of 2048 bytes.  This places a limit on the size of data that can
   be transferred in a Synchronization or Flood operation.

   There are scenarios in autonomic networks where this restriction is a
   problem.  One example is the distribution of network policy in
   lengthy formats such as YANG or JSON.  Another case might be an
   Autonomic Service Agent (ASA) uploading a log file to the Network
   Operations Center (NOC).  A third case might be a supervisory system
   downloading a software upgrade to an autonomic node.  A related case
   might be installing the code of a new or updated ASA to a target node
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