Hierarchical HITs for HIPv2
draft-moskowitz-hierarchical-hip-06

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HIP                                                         R. Moskowitz
Internet-Draft                                                     X. Xu
Intended status: Standards Track                                  B. Liu
Expires: December 24, 2018                                        Huawei
                                                           June 22, 2018

                      Hierarchical HITs for HIPv2
                draft-moskowitz-hierarchical-hip-06.txt

Abstract

   This document describes using a hierarchical HIT to facilitate large
   deployments in mobile networks.

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on December 24, 2018.

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   Copyright (c) 2018 IETF Trust and the persons identified as the
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Moskowitz, et al.       Expires December 24, 2018               [Page 1]
Internet-Draft              Hierarchical HITs                  June 2018

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terms and Definitions . . . . . . . . . . . . . . . . . . . .   3
     2.1.  Requirements Terminology  . . . . . . . . . . . . . . . .   3
     2.2.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Problem Space . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Meeting the future of Mobile Networking . . . . . . . . .   3
     3.2.  Semi-permanency of Identities . . . . . . . . . . . . . .   4
     3.3.  Managing a large flat address space . . . . . . . . . . .   4
     3.4.  Defense against fraudulent HITs . . . . . . . . . . . . .   4
     3.5.  Desire for administrative control by RVS providers  . . .   4
   4.  The Hierarchical Host Identity Tag (HIT)  . . . . . . . . . .   5
     4.1.  The Hierarchy ID (HID)  . . . . . . . . . . . . . . . . .   5
       4.1.1.  The Registered Assigning Authority (RAA)  . . . . . .   5
       4.1.2.  The Hierarchical HIT Domain Authority (HDA) . . . . .   5
       4.1.3.  Example of the HID DNS  . . . . . . . . . . . . . . .   6
       4.1.4.  Changes to ORCHIDv2 to support Hierarchical HITs  . .   6
       4.1.5.  Collision risks with Hierarchical HITs  . . . . . . .   7
   5.  HIP Parameters  . . . . . . . . . . . . . . . . . . . . . . .   7
     5.1.  HIT_SUITE_LIST  . . . . . . . . . . . . . . . . . . . . .   7
     5.2.  CLIENT_INFO . . . . . . . . . . . . . . . . . . . . . . .   8
   6.  HHIT Registry services to support hierarchical HITs . . . . .   8
     6.1.  Hierarchical HIT Registration using X.509 Certificates  .   8
     6.2.  Hierarchical HIT Registration using a PSK . . . . . . . .   9
     6.3.  Hierarchical HIT Registration Type  . . . . . . . . . . .   9
     6.4.  Hierarchical HIT Registration Failure Type  . . . . . . .   9
     6.5.  Registration failure behavior . . . . . . . . . . . . . .   9
       6.5.1.  Example of a simple HDA policy  . . . . . . . . . . .  10
   7.  Using hierarchical HITs . . . . . . . . . . . . . . . . . . .  10
     7.1.  Contacting a HIP client . . . . . . . . . . . . . . . . .  10
     7.2.  Defense against fraudulent HITs . . . . . . . . . . . . .  11
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   9.  RAA Management Organization Considerations  . . . . . . . . .  11
   10. Security Considerations . . . . . . . . . . . . . . . . . . .  11
     10.1.  Privacy Concerns . . . . . . . . . . . . . . . . . . . .  12
   11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  12
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  13
     12.2.  Informative References . . . . . . . . . . . . . . . . .  13
   Appendix A.  Calculating Collision Probabilities  . . . . . . . .  14