Internet Key Exchange Protocol Version 2 (IKEv2)
draft-kivinen-ipsecme-ikev2-rfc5996bis-00

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Network Working Group                                         C. Kaufman
Internet-Draft                                                 Microsoft
Obsoletes: 5996 (if approved)                                 P. Hoffman
Intended status: Standards Track                          VPN Consortium
Expires: February 10, 2014                                        Y. Nir
                                                             Check Point
                                                               P. Eronen
                                                             Independent
                                                              T. Kivinen
                                                           INSIDE Secure
                                                          August 9, 2013

            Internet Key Exchange Protocol Version 2 (IKEv2)
             draft-kivinen-ipsecme-ikev2-rfc5996bis-00.txt

Abstract

   This document describes version 2 of the Internet Key Exchange (IKE)
   protocol.  IKE is a component of IPsec used for performing mutual
   authentication and establishing and maintaining Security Associations
   (SAs).  This document replaces and updates RFC 4306, and includes all
   of the clarifications from RFC 4718.

Status of This Memo

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   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

Kaufman, et al.         Expires February 10, 2014               [Page 1]
Internet-Draft                  IKEv2bis                     August 2013

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   5
     1.1.  Usage Scenarios . . . . . . . . . . . . . . . . . . . . .   6
       1.1.1.  Security Gateway to Security Gateway in Tunnel Mode .   7
       1.1.2.  Endpoint-to-Endpoint Transport Mode . . . . . . . . .   7
       1.1.3.  Endpoint to Security Gateway in Tunnel Mode . . . . .   8
       1.1.4.  Other Scenarios . . . . . . . . . . . . . . . . . . .   9
     1.2.  The Initial Exchanges . . . . . . . . . . . . . . . . . .   9
     1.3.  The CREATE_CHILD_SA Exchange  . . . . . . . . . . . . . .  13
       1.3.1.  Creating New Child SAs with the CREATE_CHILD_SA
               Exchange  . . . . . . . . . . . . . . . . . . . . . .  14
       1.3.2.  Rekeying IKE SAs with the CREATE_CHILD_SA Exchange  .  15
       1.3.3.  Rekeying Child SAs with the CREATE_CHILD_SA
               Exchange  . . . . . . . . . . . . . . . . . . . . . .  16
     1.4.  The INFORMATIONAL Exchange  . . . . . . . . . . . . . . .  16
       1.4.1.  Deleting an SA with INFORMATIONAL Exchanges . . . . .  17
     1.5.  Informational Messages outside of an IKE SA . . . . . . .  18
     1.6.  Requirements Terminology  . . . . . . . . . . . . . . . .  19
     1.7.  Significant Differences between RFC 4306 and This
           Document  . . . . . . . . . . . . . . . . . . . . . . . .  19
     1.8.  Differences between RFC 5996 and This Document  . . . . .  22
   2.  IKE Protocol Details and Variations . . . . . . . . . . . . .  22
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