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Title : Overview of Existing Routing Protocols for Low Power and Lossy Networks
Author(s) : J. Vasseur
Filename : draft-levis-roll-overview-protocols-00.txt
Pages : 24
Date : 2008-2-12
Networks of low power wireless devices introduce novel IP routing
issues. Low-power wireless devices, such as sensors, actuators and
smart objects, have difficult constraints: very limited memory,
little processing power, and long sleep periods. As most of these
devices are battery-powered, energy efficiency is critically
important. Wireless link qualities can vary significantly over time,
requiring protocols to make agile decisions yet minimize topology
change energy costs. Such low power and lossy networks (L2Ns) have
routing requirements that existing mesh protocols only partially
address. This document provides a brief survey of the strengths and
weaknesses of existing protocols with respect to L2Ns. It provides
guidance on how lessons from existing and prior efforts can be
leveraged in future protocol design.
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