6lowpan ESC Dispatch Code Points and Guidelines
draft-ietf-6lo-dispatch-iana-registry-07

Document Type Active Internet-Draft (6lo WG)
Last updated 2016-12-21 (latest revision 2016-12-08)
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6lo                                                       S. Chakrabarti
Internet-Draft
Updates: 4944, 6282 (if approved)                          G. Montenegro
Intended status: Standards Track                               Microsoft
Expires: June 11, 2017                                          R. Droms

                                                             J. Woodyatt
                                                                  Google
                                                        December 8, 2016

            6lowpan ESC Dispatch Code Points and Guidelines
                draft-ietf-6lo-dispatch-iana-registry-07

Abstract

   RFC4944 defines the ESC dispatch type to allow for additional
   dispatch octets in the 6lowpan header.  The value of the ESC dispatch
   type was updated by RFC6282, however, its usage was not defined
   either in RFC6282 or in RFC4944.  This document updates RFC4944 and
   RFC6282 by defining the ESC extension octet code points including
   registration of entries for known use cases at the time of writing of
   this document.

Status of this Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on June 11, 2017.

Copyright Notice

   Copyright (c) 2016 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

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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
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . 3
   3.  Usage of ESC dispatch octets  . . . . . . . . . . . . . . . . . 3
     3.1.  Interaction with other RFC4944 implementations  . . . . . . 4
     3.2.  ESC Extension Octets Typical Sequence . . . . . . . . . . . 5
     3.3.  ITU-T G.9903  ESC type usage  . . . . . . . . . . . . . . . 6
     3.4.  NALP and ESC dispatch types . . . . . . . . . . . . . . . . 6
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 6
   5.  Security Considerations . . . . . . . . . . . . . . . . . . . . 7
   6.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . 7
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 8
     7.1.  Normative References  . . . . . . . . . . . . . . . . . . . 8
     7.2.  Informative References  . . . . . . . . . . . . . . . . . . 8
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . . . 8

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1.  Introduction

   [RFC4944] section 5.1 defines the dispatch header and types.  The ESC
   type is defined for using additional dispatch octets in the 6lowpan
   header.  RFC 6282 modifies the value of the ESC dispatch type and
   that value is recorded in IANA registry [6LOWPAN-IANA].  However, the
   octets and usage following the ESC dispatch type are not defined in
   either [RFC4944] and [RFC6282].  In recent years with 6lowpan
   deployments, implementations and standards organizations have started
   using the ESC extension octets.  This highlights the need for an
   updated IANA registration policy.

   The following sections record the ITU-T specification for ESC
   dispatch octet code points as an existing known usage and propose the
   definition of ESC extension octets for future applications.  The
   document also requests IANA actions for the first extension octet
   following the ESC dispatch type.
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