ESP Header Compression and Diet-ESP
draft-mglt-ipsecme-diet-esp-04
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ipsecme D. Migault, Ed.
Internet-Draft Ericsson
Intended status: Standards Track T. Guggemos, Ed.
Expires: December 31, 2017 LMU Munich
C. Bormann
Universitaet Bremen TZI
June 29, 2017
ESP Header Compression and Diet-ESP
draft-mglt-ipsecme-diet-esp-04.txt
Abstract
ESP Header Compression (EHC) defines a flexible framework to compress
communications protected with IPsec/ESP. Compression and
decompression is defined by EHC Rules orchestrated by EHC Strategies.
The document specifies the Diet-ESP EHC Strategy and associated EHC
Rules. Diet-ESP compresses up to 32 bytes per packet for traditional
IPv6 VPN and up to 66 bytes for IPv6 VPN set over a single TCP or UDP
session.
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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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 December 31, 2017.
Copyright Notice
Copyright (c) 2017 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
(http://trustee.ietf.org/license-info) in effect on the date of
Migault, et al. Expires December 31, 2017 [Page 1]
Internet-Draft Diet-ESP June 2017
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.
Table of Contents
1. Requirements notation . . . . . . . . . . . . . . . . . . . . 3
2. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Protocol Overview . . . . . . . . . . . . . . . . . . . . . . 4
5. Diet-ESP EHC Context . . . . . . . . . . . . . . . . . . . . 5
5.1. Diet-ESP Context Parameters for ESP . . . . . . . . . . . 6
5.2. Diet-ESP Context Parameters for Inner IP . . . . . . . . 6
5.3. Diet-ESP Context Parameters for Transport Protocol . . . 8
6. Diet-ESP EHC Rules . . . . . . . . . . . . . . . . . . . . . 8
6.1. EHC Rules for ESP . . . . . . . . . . . . . . . . . . . . 10
6.2. EHC Rules for inner IPv4 . . . . . . . . . . . . . . . . 12
6.3. EHC Rules for inner IPv6 . . . . . . . . . . . . . . . . 14
6.4. EHC Rules for UDP . . . . . . . . . . . . . . . . . . . . 16
6.5. EHC Rules for UDP-Lite . . . . . . . . . . . . . . . . . 17
6.6. EHC Rules for TCP . . . . . . . . . . . . . . . . . . . . 18
7. Diet-ESP EHC Strategy . . . . . . . . . . . . . . . . . . . . 19
7.1. Outbound Packet Processing . . . . . . . . . . . . . . . 19
7.2. Inbound Packet Processing . . . . . . . . . . . . . . . . 21
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 24
9. Security Considerations . . . . . . . . . . . . . . . . . . . 24
10. Privacy Considerations . . . . . . . . . . . . . . . . . . . 25
11. Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . 25
12. References . . . . . . . . . . . . . . . . . . . . . . . . . 26
12.1. Normative References . . . . . . . . . . . . . . . . . . 26
12.2. Informational References . . . . . . . . . . . . . . . . 26
Appendix A. Illustrative Examples . . . . . . . . . . . . . . . 27
A.1. Single UDP Session IoT VPN . . . . . . . . . . . . . . . 27
A.2. Single TCP session IoT VPN . . . . . . . . . . . . . . . 30
A.3. Traditional VPN . . . . . . . . . . . . . . . . . . . . . 33
Appendix B. EHC Classification (Informative) . . . . . . . . . . 40
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