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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Testbed Evaluation of Sensor Node Overlay Multicast
verfasst von : Gerald Wagenknecht, Torsten Ingo Braun
Erschienen in: Internet of Things, Smart Spaces, and Next Generation Networks and Systems
Verlag: Springer International Publishing
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The Sensor Node Overlay Multicast (SNOMC) protocol supports reliable, time-efficient and energy-efficient dissemination of data from one sender node to multiple receivers as it is needed for configuration, code update, and management operations in wireless sensor networks. SNOMC supports end-to-end reliability using negative acknowledgements. The mechanism is simple and easy to implement and can significantly reduce the number of transmissions. SNOMC supports three different caching strategies namely caching on each intermediate node, caching on branching nodes, or caching on the sender node only. SNOMC was evaluated in our in-house real-world testbed and compared to a number of common data dissemination protocols. It outperforms the selected protocols in terms of transmission time, number of transmitted packets, and energy-consumption.