Limited Domains and Internet Protocols
draft-carpenter-limited-domains-10

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Last updated 2019-08-09 (latest revision 2019-08-02)
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Network Working Group                                       B. Carpenter
Internet-Draft                                         Univ. of Auckland
Intended status: Informational                                    B. Liu
Expires: February 3, 2020                            Huawei Technologies
                                                          August 2, 2019

                 Limited Domains and Internet Protocols
                   draft-carpenter-limited-domains-10

Abstract

   There is a noticeable trend towards network requirements, behaviours
   and semantics that are specific to a particular set of requirements
   applied within a limited region of the Internet.  Policies, default
   parameters, the options supported, the style of network management
   and security requirements may vary between such limited regions.
   This document reviews examples of such limited domains (also known as
   controlled environments), notes emerging solutions, and includes 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.

   This document is the product of the research of the authors.  It has
   been produced through discussions and consultation within the IETF,
   but is not the product of IETF conensus.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on February 3, 2020.

Carpenter & Liu         Expires February 3, 2020                [Page 1]
Internet-Draft               Limited Domains                 August 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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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Failure Modes in Today's Internet . . . . . . . . . . . . . .   4
   3.  Examples of Limited Domain Requirements . . . . . . . . . . .   5
   4.  Examples of Limited Domain Solutions  . . . . . . . . . . . .   8
   5.  The Scope of Protocols in Limited Domains . . . . . . . . . .  11
   6.  Functional Requirements of Limited Domains  . . . . . . . . .  13
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  16
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  16
   11. Informative References  . . . . . . . . . . . . . . . . . . .  16
   Appendix A.  Change log [RFC Editor: Please remove] . . . . . . .  23
   Appendix B.  Taxonomy of Limited Domains  . . . . . . . . . . . .  24
     B.1.  The Domain as a Whole . . . . . . . . . . . . . . . . . .  25
     B.2.  Individual Nodes  . . . . . . . . . . . . . . . . . . . .  25
     B.3.  The Domain Boundary . . . . . . . . . . . . . . . . . . .  25
     B.4.  Topology  . . . . . . . . . . . . . . . . . . . . . . . .  25
     B.5.  Technology  . . . . . . . . . . . . . . . . . . . . . . .  26
     B.6.  Connection to the Internet  . . . . . . . . . . . . . . .  26
     B.7.  Security, Trust and Privacy Model . . . . . . . . . . . .  27
     B.8.  Operations  . . . . . . . . . . . . . . . . . . . . . . .  27
     B.9.  Making use of this taxonomy . . . . . . . . . . . . . . .  27
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  27

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 network-specific and
   local requirements, behaviours and semantics.  The word "local"
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