Constrained Join Proxy for Bootstrapping Protocols
draft-anima-constrained-join-proxy-01

Document Type Active Internet-Draft (individual)
Authors Michael Richardson  , Peter Van der Stok  , Panos Kampanakis 
Last updated 2020-12-02
Replaces draft-vanderstok-anima-constrained-join-proxy
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anima Working Group                                        M. Richardson
Internet-Draft                                  Sandelman Software Works
Intended status: Standards Track                         P. van der Stok
Expires: June 4, 2021                             vanderstok consultancy
                                                           P. Kampanakis
                                                           Cisco Systems
                                                       December 01, 2020

           Constrained Join Proxy for Bootstrapping Protocols
                 draft-anima-constrained-join-proxy-01

Abstract

   This document defines a protocol to securely assign a pledge to a
   domain, represented by a Registrar, using an intermediary node
   between pledge and Registrar.  This intermediary node is known as a
   "constrained Join Proxy".

   This document extends the work of
   [I-D.ietf-anima-bootstrapping-keyinfra] by replacing the Circuit-
   proxy by a stateless/stateful constrained (CoAP) Join Proxy.  It
   transports join traffic from the pledge to the Registrar without
   requiring per-client state.

Status of This Memo

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   This Internet-Draft will expire on June 4, 2021.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Richardson, et al.        Expires June 4, 2021                  [Page 1]
Internet-Draft                 Join-Proxy                  December 2020

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Requirements Language . . . . . . . . . . . . . . . . . . . .   4
   4.  Join Proxy functionality  . . . . . . . . . . . . . . . . . .   4
   5.  Join Proxy specification  . . . . . . . . . . . . . . . . . .   5
     5.1.  Statefull Join Proxy  . . . . . . . . . . . . . . . . . .   5
     5.2.  Stateless Join Proxy  . . . . . . . . . . . . . . . . . .   6
     5.3.  Stateless Message structure . . . . . . . . . . . . . . .   8
   6.  Comparison of stateless and statefull modes . . . . . . . . .   9
   7.  Discovery . . . . . . . . . . . . . . . . . . . . . . . . . .  10
     7.1.  Pledge discovery of Registrar . . . . . . . . . . . . . .  11
       7.1.1.  CoAP discovery  . . . . . . . . . . . . . . . . . . .  11
       7.1.2.  Autonomous Network  . . . . . . . . . . . . . . . . .  11
       7.1.3.  6tisch discovery  . . . . . . . . . . . . . . . . . .  11
     7.2.  Pledge discovers Join Proxy . . . . . . . . . . . . . . .  11
       7.2.1.  Autonomous Network  . . . . . . . . . . . . . . . . .  11
       7.2.2.  CoAP discovery  . . . . . . . . . . . . . . . . . . .  12
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
     9.1.  Resource Type registry  . . . . . . . . . . . . . . . . .  13
   10. Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  13
   11. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  13
   12. Changelog . . . . . . . . . . . . . . . . . . . . . . . . . .  13
     12.1.  00 to 01 . . . . . . . . . . . . . . . . . . . . . . . .  13
     12.2.  00 to 00 . . . . . . . . . . . . . . . . . . . . . . . .  14
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  14
     13.2.  Informative References . . . . . . . . . . . . . . . . .  15
   Appendix A.  Stateless Proxy payload examples . . . . . . . . . .  16
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   Enrolment of new nodes into networks with enrolled nodes present is
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