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Host Identity Protocol Architecture
draft-ietf-hip-rfc4423-bis-07

Document type: Active Internet-Draft (hip WG)
Document stream: IETF
Last updated: 2013-12-18
Intended RFC status: Unknown
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IETF State: WG Document
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IESG State: I-D Exists
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Network Working Group                                  R. Moskowitz, Ed.
Internet-Draft                                                   Verizon
Obsoletes: 4423 (if approved)                                    M. Komu
Intended status: Informational                                     Aalto
Expires: June 21, 2014                                 December 18, 2013

                  Host Identity Protocol Architecture
                     draft-ietf-hip-rfc4423-bis-07

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
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   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 June 21, 2014.

Copyright Notice

   Copyright (c) 2013 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 June 21, 2014                 [Page 1]
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   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Moskowitz & Komu          Expires June 21, 2014                 [Page 2]
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Table of Contents

   1.       Introduction  . . . . . . . . . . . . . . . . . . . . . .  4
   2.       Terminology . . . . . . . . . . . . . . . . . . . . . . .  5
   2.1.     Terms common to other documents . . . . . . . . . . . . .  5
   2.2.     Terms specific to this and other HIP documents  . . . . .  5
   3.       Background  . . . . . . . . . . . . . . . . . . . . . . .  7
   3.1.     A desire for a namespace for computing platforms  . . . .  7
   4.       Host Identity namespace . . . . . . . . . . . . . . . . .  9
   4.1.     Host Identifiers  . . . . . . . . . . . . . . . . . . . . 10
   4.2.     Host Identity Hash (HIH)  . . . . . . . . . . . . . . . . 11
   4.3.     Host Identity Tag (HIT) . . . . . . . . . . . . . . . . . 11
   4.4.     Local Scope Identifier (LSI)  . . . . . . . . . . . . . . 11
   4.5.     Storing Host Identifiers in directories . . . . . . . . . 12
   5.       New stack architecture  . . . . . . . . . . . . . . . . . 13
   5.1.     On the multiplicity of identities . . . . . . . . . . . . 14
   6.       Control plane . . . . . . . . . . . . . . . . . . . . . . 15
   6.1.     Base exchange . . . . . . . . . . . . . . . . . . . . . . 15
   6.2.     End-host mobility and multi-homing  . . . . . . . . . . . 16

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