Limited Domains and Internet Protocols
draft-carpenter-limited-domains-04

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Network Working Group                                       B. Carpenter
Internet-Draft                                         Univ. of Auckland
Intended status: Informational                                    B. Liu
Expires: April 17, 2019                              Huawei Technologies
                                                        October 14, 2018

                 Limited Domains and Internet Protocols
                   draft-carpenter-limited-domains-04

Abstract

   There is a noticeable trend towards network requirements, behaviours
   and semantics that are specific to a limited region of the Internet
   and a particular set of requirements.  Policies, default parameters,
   the options supported, the style of network management and security
   requirements may vary.  This document reviews examples of such
   limited domains and emerging solutions, and develops a related
   taxonomy.  It then briefly discusses the standardization of protocols
   for limited domains.  Finally, it shows the needs for a precise
   definition of limited domain membership and for mechanisms to allow
   nodes to join a domain securely and to find other members, including
   boundary nodes.

Status of This Memo

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   This Internet-Draft will expire on April 17, 2019.

Copyright Notice

   Copyright (c) 2018 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

Carpenter & Liu          Expires April 17, 2019                 [Page 1]
Internet-Draft               Limited Domains                October 2018

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Failure Modes in Today's Internet . . . . . . . . . . . . . .   3
   3.  Examples of Limited Domain Requirements . . . . . . . . . . .   4
   4.  Examples of Limited Domain Solutions  . . . . . . . . . . . .   7
   5.  Taxonomy of Limited Domains . . . . . . . . . . . . . . . . .   9
     5.1.  The Domain as a Whole . . . . . . . . . . . . . . . . . .  10
     5.2.  Individual Nodes  . . . . . . . . . . . . . . . . . . . .  10
     5.3.  The Domain Boundary . . . . . . . . . . . . . . . . . . .  10
     5.4.  Topology  . . . . . . . . . . . . . . . . . . . . . . . .  11
     5.5.  Technology  . . . . . . . . . . . . . . . . . . . . . . .  11
     5.6.  Connection to the Internet  . . . . . . . . . . . . . . .  11
     5.7.  Security, Trust and Privacy Model . . . . . . . . . . . .  12
     5.8.  Operations  . . . . . . . . . . . . . . . . . . . . . . .  12
     5.9.  Making use of this taxonomy . . . . . . . . . . . . . . .  12
   6.  The Scope of Protocols in Limited Domains . . . . . . . . . .  12
   7.  Functional Requirements of Limited Domains  . . . . . . . . .  14
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
   10. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  16
   11. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  16
   12. Informative References  . . . . . . . . . . . . . . . . . . .  16
   Appendix A.  Change log [RFC Editor: Please remove] . . . . . . .  21
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  22

1.  Introduction

   As the Internet continues to grow and diversify, with a realistic
   prospect of tens of billions of nodes being connected directly and
   indirectly, there is a noticeable trend towards local requirements,
   behaviours and semantics.  The word "local" should be understood in a
   special sense, however.  In some cases it may refer to geographical
   and physical locality - all the nodes in a single building, on a
   single campus, or in a given vehicle.  In other cases it may refer to
   a defined set of users or nodes distributed over a much wider area,
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