Inter-network Coexistence in the Internet of Things
draft-feeney-t2trg-inter-network-00

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Network Working Group                                          L. Feeney
Internet-Draft                                        Uppsala University
Intended status: Informational                                  V. Fodor
Expires: January 4, 2018                                             KTH
                                                           July 03, 2017

          Inter-network Coexistence in the Internet of Things
                  draft-feeney-t2trg-inter-network-00

Abstract

   The breadth of IoT applications implies that future wireless
   environments will be characterized by the presence of many diverse,
   administratively independent IoT networks operating in the same
   physical location.  In many cases, these networks will use unlicensed
   spectrum, due to its low cost and ease of deployment.  However, this
   spectrum is becoming increasingly crowded.  IoT networks will
   therefore be subject to wireless interference, both from similar
   networks and from networks that use the channel in very different
   ways.

   To date, there have been few studies or testbeds that fully reflect
   this aspect of the future IoT operating environment.  This document
   describes some of the main issues in network co-existence in IoT
   environments, focusing on protocol-level interactions.  It identifies
   two issues for the IRTF t2trg community.  The first is to define best
   practices for performance evaluation and protocol design in the
   context of inter-network interference.  The second is the potential
   use of higher layer protocols to actively participate in interference
   mitigation.

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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   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 4, 2018.

Feeney & Fodor           Expires January 4, 2018                [Page 1]
Internet-Draft          inter-network coexistence              July 2017

Copyright Notice

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   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  IoT interference challenges . . . . . . . . . . . . . . . . .   3
     2.1.  Scale . . . . . . . . . . . . . . . . . . . . . . . . . .   3
     2.2.  Independence  . . . . . . . . . . . . . . . . . . . . . .   3
     2.3.  Battery lifetime  . . . . . . . . . . . . . . . . . . . .   4
     2.4.  Resource constraints  . . . . . . . . . . . . . . . . . .   4
     2.5.  Diversity . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Interaction behaviors . . . . . . . . . . . . . . . . . . . .   5
   4.  Network co-existence in the IRTF/IETF context . . . . . . . .   6
     4.1.  Responding to link layer evolution  . . . . . . . . . . .   7
     4.2.  Protocol evaluation . . . . . . . . . . . . . . . . . . .   7
     4.3.  Active mitigation strategies  . . . . . . . . . . . . . .   7
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
   6.  Conclusion  . . . . . . . . . . . . . . . . . . . . . . . . .  10
   7.  Informative References  . . . . . . . . . . . . . . . . . . .  10
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  11
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   An enormous range of IoT applications are expected to become
   pervasive in daily life.  Networks will be installed in public
   spaces, businesses, and residences by a wide range of individual,
   commercial, and government actors.  This means that there will be
   many diverse, administratively independent networks operating in the
   same physical location.  For example, a future home environment may
   include IoT applications for security, heating and cooling, elder
   care, air quality monitoring, personal health and fitness, smart home
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