Host Identity Protocol Architecture
draft-ietf-hip-rfc4423-bis-12

 
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Last updated 2015-06-23
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Network Working Group                                  R. Moskowitz, Ed.
Internet-Draft                                            HTT Consulting
Obsoletes: 4423 (if approved)                                    M. Komu
Intended status: Informational                                  Ericsson
Expires: December 25, 2015                                 June 23, 2015

                  Host Identity Protocol Architecture
                     draft-ietf-hip-rfc4423-bis-12

Abstract

   This memo describes a new namespace, the Host Identity namespace, and
   a new protocol layer, the Host Identity Protocol, between the
   internetworking and transport layers.  Herein are presented the
   basics of the current namespaces, their strengths and weaknesses, and
   how a new namespace will add completeness to them.  The roles of this
   new namespace in the protocols are defined.

   This document obsoletes RFC 4423 and addresses the concerns raised by
   the IESG, particularly that of crypto agility.  It incorporates
   lessons learned from the implementations of RFC 5201 and goes further
   to explain how HIP works as a secure signaling channel.

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
   Task Force (IETF).  Note that other groups may also distribute
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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on December 25, 2015.

Copyright Notice

   Copyright (c) 2015 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

Moskowitz & Komu        Expires December 25, 2015               [Page 1]
Internet-Draft     Host Identity Protocol Architecture         June 2015

   (http://trustee.ietf.org/license-info) in effect on the date of
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   This document may contain material from IETF Documents or IETF
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   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4
   2.1.  Terms common to other documents . . . . . . . . . . . . . .   4
   2.2.  Terms specific to this and other HIP documents  . . . . . .   5
   3.  Background  . . . . . . . . . . . . . . . . . . . . . . . . .   6
   3.1.  A desire for a namespace for computing platforms  . . . . .   6
   4.  Host Identity namespace . . . . . . . . . . . . . . . . . . .   8
   4.1.  Host Identifiers  . . . . . . . . . . . . . . . . . . . . .   9
   4.2.  Host Identity Hash (HIH)  . . . . . . . . . . . . . . . . .  10
   4.3.  Host Identity Tag (HIT) . . . . . . . . . . . . . . . . . .  10
   4.4.  Local Scope Identifier (LSI)  . . . . . . . . . . . . . . .  11
   4.5.  Storing Host Identifiers in directories . . . . . . . . . .  12
   5.  New stack architecture  . . . . . . . . . . . . . . . . . . .  12
   5.1.  On the multiplicity of identities . . . . . . . . . . . . .  13
   6.  Control plane . . . . . . . . . . . . . . . . . . . . . . . .  14
   6.1.  Base exchange . . . . . . . . . . . . . . . . . . . . . . .  14
   6.2.  End-host mobility and multi-homing  . . . . . . . . . . . .  15
   6.3.  Rendezvous mechanism  . . . . . . . . . . . . . . . . . . .  16
   6.4.  Relay mechanism . . . . . . . . . . . . . . . . . . . . . .  16
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