A Mechanism to Measure the Quality of a Point-to-point Route in a Low Power and Lossy Network
draft-ietf-roll-p2p-measurement-04

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Internet Engineering Task Force                            M. Goyal, Ed.
Internet-Draft                                   University of Wisconsin
Intended status: Experimental                                  Milwaukee
Expires: September 8, 2012                                   E. Baccelli
                                                                   INRIA
                                                               A. Brandt
                                                           Sigma Designs
                                                             J. Martocci
                                                        Johnson Controls
                                                           March 7, 2012

 A Mechanism to Measure the Quality of a Point-to-point Route in a Low
                        Power and Lossy Network
                   draft-ietf-roll-p2p-measurement-04

Abstract

   This document specifies a mechanism that enables an RPL router to
   measure the quality of an existing route towards another RPL router
   in a low power and lossy network, thereby allowing the router to
   decide if it wants to initiate the discovery of a better route.

Status of this Memo

   This Internet-Draft is submitted to IETF 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 September 8, 2012.

Copyright Notice

   Copyright (c) 2012 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

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   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   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.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Terminology  . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Overview . . . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  The Measurement Object (MO)  . . . . . . . . . . . . . . . . .  4
     3.1.  Format of the base MO  . . . . . . . . . . . . . . . . . .  5
     3.2.  Secure MO  . . . . . . . . . . . . . . . . . . . . . . . .  9
   4.  Originating a Measurement Request  . . . . . . . . . . . . . .  9
     4.1.  To Measure A Hop-by-hop Route with a Global
           RPLInstanceID  . . . . . . . . . . . . . . . . . . . . . . 10
     4.2.  To Measure A Hop-by-hop Route with a Local
           RPLInstanceID  . . . . . . . . . . . . . . . . . . . . . . 10
     4.3.  To Measure A Source Route  . . . . . . . . . . . . . . . . 11
   5.  Processing a Measurement Request at an Intermediate Router . . 12
     5.1.  Determining Next Hop For An MO Measuring A Source Route  . 13
     5.2.  Determining Next Hop For An MO Measuring A Hop-by-hop
           Route  . . . . . . . . . . . . . . . . . . . . . . . . . . 14
   6.  Processing a Measurement Request at the Target . . . . . . . . 15
   7.  Processing a Measurement Reply at the Origin . . . . . . . . . 16
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 16
   9.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 17
   10. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 18
   11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 18
     11.1. Normative References . . . . . . . . . . . . . . . . . . . 18
     11.2. Informative References . . . . . . . . . . . . . . . . . . 18
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 19

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1.  Introduction

   Point to point (P2P) communication between arbitrary routers in a Low
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