6LoWPAN Routing Header And Paging Dispatches
draft-ietf-6lo-routing-dispatch-00

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Document Type Active Internet-Draft (6lo WG)
Last updated 2016-01-05 (latest revision 2015-12-04)
Replaces draft-thubert-6lo-routing-dispatch
Replaced by draft-ietf-roll-routing-dispatch, rfc8138
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6lo                                                      P. Thubert, Ed.
Internet-Draft                                                     Cisco
Updates: 4944 (if approved)                                   C. Bormann
Intended status: Standards Track                          Uni Bremen TZI
Expires: June 6, 2016                                         L. Toutain
                                                    IMT-TELECOM Bretagne
                                                               R. Cragie
                                                                     ARM
                                                        December 4, 2015

              6LoWPAN Routing Header And Paging Dispatches
                   draft-ietf-6lo-routing-dispatch-00

Abstract

   This specification introduces a new context switch mechanism for
   6LoWPAN compression, expressed in terms of Pages and signaled by a
   new Paging Dispatch.  A new 6LoWPAN dispatch type is proposed in a
   new Page 1 for use in 6LoWPAN Route-Over topologies, that initially
   covers the needs of RPL (RFC6550) data packets compression.  This
   specification defines a method to compress RPL Option (RFC6553)
   information and Routing Header type 3 (RFC6554), an efficient IP-in-
   IP technique and is extensible for more applications.

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 6, 2016.

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Thubert, et al.           Expires June 6, 2016                  [Page 1]
Internet-Draft6LoWPAN Routing Header And Paging Dispatches December 2015

   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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Updating RFC 4944 . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  New Page 1 Paging Dispatch {#Page 1}  . . . . . . . . . .   6
     3.2.  New Routing Header Dispatch (6LoRH) . . . . . . . . . . .   6
   4.  Placement Of The New Dispatch Types . . . . . . . . . . . . .   7
     4.1.  Placement Of The Page 1 Paging Dispatch . . . . . . . . .   7
     4.2.  Placement Of The 6LoRH  . . . . . . . . . . . . . . . . .   7
   5.  6LoWPAN Routing Header General Format . . . . . . . . . . . .   7
     5.1.  Elective Format . . . . . . . . . . . . . . . . . . . . .   8
     5.2.  Critical Format . . . . . . . . . . . . . . . . . . . . .   8
   6.  The Routing Header Type 3 (RH3) 6LoRH . . . . . . . . . . . .   9
   7.  The RPL Packet Information 6LoRH  . . . . . . . . . . . . . .  10
     7.1.  Compressing the RPLInstanceID . . . . . . . . . . . . . .  12
     7.2.  Compressing the SenderRank  . . . . . . . . . . . . . . .  12
     7.3.  The Overall RPI-6LoRH encoding  . . . . . . . . . . . . .  12
   8.  The IP-in-IP 6LoRH  . . . . . . . . . . . . . . . . . . . . .  15
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .  16
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
   11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  17
   12. References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     12.1.  Normative References . . . . . . . . . . . . . . . . . .  17
     12.2.  Informative References . . . . . . . . . . . . . . . . .  18
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   The design of Low Power and Lossy Networks (LLNs) is generally
   focused on saving energy, which is the most constrained resource of
   all.  The other constraints, such as the memory capacity and the duty
   cycling of the LLN devices, derive from that primary concern.  Energy
   is often available from primary batteries that are expected to last
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