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MRPL: Boosting mobility in the Internet of Things
Polytechnic Institute of Porto, CISTER/INESC-TEC, ISEP, Portugal .ORCID iD: 0000-0001-5590-0784
Polytechnic Institute of Porto, CISTER/INESC-TEC, ISEP, Portugal .
Polytechnic Institute of Porto, CISTER/INESC-TEC, ISEP, Portugal .
2015 (English)In: Ad hoc networks, ISSN 1570-8705, E-ISSN 1570-8713, Vol. 26, 17-35 p.Article in journal (Refereed) Published
Abstract [en]

The 6loWPAN (the light version of IPv6) and RPL (routing protocol for low-power and lossy links) protocols have become de facto standards for the Internet of Things (IoT). In this paper, we show that the two native algorithms that handle changes in network topology – the Trickle and Neighbor Discovery algorithms – behave in a reactive fashion and thus are not prepared for the dynamics inherent to nodes mobility. Many emerging and upcoming IoT application scenarios are expected to impose real-time and reliable mobile data collection, which are not compatible with the long message latency, high packet loss and high overhead exhibited by the native RPL/6loWPAN protocols. To solve this problem, we integrate a proactive hand-off mechanism (dubbed smart-HOP) within RPL, which is very simple, effective and backward compatible with the standard protocol. We show that this add-on halves the packet loss and reduces the hand-off delay dramatically to one tenth of a second, upon nodes’ mobility, with a sub-percent overhead. The smart-HOP algorithm has been implemented and integrated in the Contiki 6LoWPAN/RPL stack and validated through extensive simulation and experimentation.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 26, 17-35 p.
Keyword [en]
Wireless sensor networks, Internet of Things, Mobility, RPL, Hand-off, Test-bed
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-29685DOI: 10.1016/j.adhoc.2014.10.009Scopus ID: 2-s2.0-84919741409OAI: oai:DiVA.org:mdh-29685DiVA: diva2:874672
Available from: 2015-11-27 Created: 2015-11-26 Last updated: 2017-12-01Bibliographically approved

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Fotouhi, Hossein

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CiteExportLink to record
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Citation style
  • apa
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