Internet Key Exchange version 2 (IKEv2) extension for the ESP Header Compression (EHC) Strategy
draft-mglt-ipsecme-ikev2-diet-esp-extension-01

Document Type Active Internet-Draft (individual)
Last updated 2018-06-26
Replaces draft-mglt-6lo-diet-esp-context-ikev2-extension
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ipsecme                                                       D. Migault
Internet-Draft                                                  Ericsson
Intended status: Standards Track                             T. Guggemos
Expires: December 27, 2018                                    LMU Munich
                                                             D. Schinazi
                                                              Apple Inc.
                                                           June 25, 2018

  Internet Key Exchange version 2 (IKEv2) extension for the ESP Header
                       Compression (EHC) Strategy
             draft-mglt-ipsecme-ikev2-diet-esp-extension-01

Abstract

   ESP Header Compression (EHC) reduces the ESP overhead by compressing
   ESP fields.  Compression results from a coordination of various EHC
   Rules designed as EHC Strategies.  An EHC Strategy may require to be
   configured with some configuration parameters.

   When a Security Association (SA) is enabling EHC, the two peers need
   to agree which EHC Strategy is applied as well as its associated
   configuration parameters.

   This document describes an extension of IKEv2 that enables two peers
   to agree on a specific EHC Strategy as well as its associated
   configuration parameters.

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
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   This Internet-Draft will expire on December 27, 2018.

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Copyright Notice

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   document authors.  All rights reserved.

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Table of Contents

   1.  Requirements notation . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   2
   3.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Protocol Overview . . . . . . . . . . . . . . . . . . . . . .   4
   5.  Notify Payload  . . . . . . . . . . . . . . . . . . . . . . .   6
     5.1.  USE_COMPRESSED_MODE Notify Payload  . . . . . . . . . . .   7
     5.2.  EHC_STRATEGY_SUPPORTED Notify Payload . . . . . . . . . .   7
     5.3.  EHC_STRATEGY_UNACCEPTABLE_PARAMETER Notify Payload  . . .   7
   6.  EHC Strategy Configuration Parameters . . . . . . . . . . . .   8
   7.  EHC Strategy Configuration Parameter Attributes . . . . . . .   9
     7.1.  Range Attribute . . . . . . . . . . . . . . . . . . . . .  11
     7.2.  Value Attribute . . . . . . . . . . . . . . . . . . . . .  11
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  12
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   10. Normative References  . . . . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

1.  Requirements notation

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

2.  Terminology

   This section defines terms and acronyms used in this document.

   - EHC Strategy :   EHC Strategy is a generic term defined in
         [I-D.mglt-ipsecme-diet-esp] that defines the way EHC Rules are
         coordinated.

Migault, et al.         Expires December 27, 2018               [Page 2]
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   - Designated EHC Strategy:   the specific EHC Strategy agreed between
         the two peers.  [I-D.mglt-ipsecme-diet-esp] defines Diet-ESP as
         an EHC Strategy and other may be defined in the future.  This
         document only considers Diet-ESP but provides negotiation
         mechanisms so future EHC Strategies may also be negotiated.
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