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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/13147

Title: IPv6 multicast forwarding in RPL-based wireless sensor networks
Authors: Oikonomou, George
Phillips, Iain W.
Tryfonas, Theo
Keywords: 6LoWPAN
Wireless sensor networks
IPv6 multicast
Issue Date: 2013
Publisher: © Springer Science+Business Media
Citation: OIKONOMOU, G., PHILLIPS, I. and TRYFONAS, T., 2013. IPv6 multicast forwarding in RPL-based wireless sensor networks. Wireless Personal Communications, 73 (3), pp.1089-1116.
Abstract: In wireless sensor deployments, network layer multicast can be used to improve the bandwidth and energy efficiency for a variety of applications, such as service discovery or network management. However, despite efforts to adopt IPv6 in networks of constrained devices, multicast has been somewhat overlooked. The Multicast Forwarding Using Trickle (Trickle Multicast) internet draft is one of the most noteworthy efforts. The specification of the IPv6 routing protocol for low power and lossy networks (RPL) also attempts to address the area but leaves many questions unanswered. In this paper we highlight our concerns about both these approaches. Subsequently, we present our alternative mechanism, called stateless multicast RPL forwarding algorithm (SMRF), which addresses the aforementioned drawbacks. Having extended the TCP/IP engine of the Contiki embedded operating system to support both trickle multicast (TM) and SMRF, we present an in-depth comparison, backed by simulated evaluation as well as by experiments conducted on a multi-hop hardware testbed. Results demonstrate that SMRF achieves significant delay and energy efficiency improvements at the cost of a small increase in packet loss. The outcome of our hardware experiments show that simulation results were realistic. Lastly, we evaluate both algorithms in terms of code size and memory requirements, highlighting SMRF's low implementation complexity. Both implementations have been made available to the community for adoption.
Description: This article was published in the journal, Wireless Personal Communications [© Springer Science+Business Media] and the definitive version is available at: http://dx.doi.org/10.1007/s11277-013-1250-5
Version: Accepted for publication
DOI: 10.1007/s11277-013-1250-5
URI: https://dspace.lboro.ac.uk/2134/13147
Publisher Link: http://dx.doi.org/10.1007/s11277-013-1250-5
ISSN: 0929-6212
Appears in Collections:Published Articles (Computer Science)

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