Load-balancing and Stability Aware Objective Function (LBSA)
draft-baraq-roll-lbsa-00

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ROLL                                                                    
INTERNET-DRAFT                                                  B.Ghaleb
Intended Status: Standards Track                              A.Al-Dubai
Expires: September 23, 2019                                   I.Romdhani
                                                                 M.Qasem
                                             Edinburgh Napier University
                                                          March 23, 2020

      Load-balancing and Stability Aware Objective Function (LBSA)
                        draft-baraq-roll-lbsa-00

Abstract

   The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) has
   been recently standardized as the de facto solution for routing in
   the context of the emerging Internet of Things (IoT) paradigm. RPL,
   along with other standards, has provided a baseline framework for IoT
   that has helped advance communications in the world of embedded
   resource-constrained networks. However, RPL still suffers from issues
   that may limit its efficiency such as the absence of an efficient
   load-balancing primitive.  To address this problem, a novel load-
   balancing scheme is introduced that ensures a fair distribution of
   traffic among nodes while minimizing overhead

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   http://www.ietf.org/shadow.html

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Table of Contents

   1  Introduction  . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1  Terminology . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Load-balancing aware Objective Function  . . . . . . . . . . .  3
     2.1 The load-balancing metric  . . . . . . . . . . . . . . . . .  4
       2.1.1 Measuring the Number of Children Metric  . . . . . . . .  4
     2.2 The Timely Propagation Primitive . . . . . . . . . . . . . .  5
     2.3 Avoiding The Herding Problem . . . . . . . . . . . . . . . .  5
   3  Security Considerations . . . . . . . . . . . . . . . . . . . .  6
   4  References  . . . . . . . . . . . . . . . . . . . . . . . . . .  6
     4.1  Normative References  . . . . . . . . . . . . . . . . . . .  6
     4.2  Informative References  . . . . . . . . . . . . . . . . . .  6
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . .  7

 

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1  Introduction

   The standardized Routing Protocol for Low-power and Lossy networks
   (RPL) [RFC6550] lacks in an efficient routing primitive that ensures
   a fair distribution of traffic among nodes while minimizing overhead.
   The absence of such mechanism may prevent the distribution of traffic
   among multiple nodes, potentially increasing data loss caused by the
   node packet buffer overflow or leading to a faster depletion of the
   energy of overloaded nodes which in turn may result in service
   disruption [1][2][3][4]. However, poorly implemented load balancing
   causes problems too. An example is the herding-effect [1], in which
   the network suffers topological instability caused by nodes
   repeatedly switching preferred parents in a futile attempt to achieve
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