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A Comparative Performance Study of the Routing Protocols LOAD and RPL with Bi-Directional Traffic in Low-Power and Lossy Networks (LLN)

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Executive Summary

Routing protocols for sensor networks are often designed with explicit assumptions, serving to simplify design and reduce the necessary energy, processing and communications requirements. Different protocols make different assumptions - and this paper considers those made by the designers of RPL - an IPv6 routing protocol for such networks, developed within the IETF. Specific attention is given to the predominance of bidirectional traffic flows in a large class of sensor networks, and this paper therefore studies the performance of RPL for such flows.

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