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This draft is a work item of the Routing Over Low power and Lossy networks Working Group of the IETF.
Title : Overview of Existing Routing Protocols for Low Power and Lossy Networks
Author(s) : A. Tavakoli, S. Dawson-Haggerty, P. Levis
Filename : draft-ietf-roll-protocols-survey-06.txt
Pages : 26
Date : 2009-2-17
Low-power wireless devices, such as sensors, actuators and smart
objects, present 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. Routing over such low power and lossy networks introduces
requirements that existing routing protocols may not fully address.
Using existing application requirements documents, this document
derives a minimal and not exhaustive set of criteria for routing in
low-power and lossy networks. It provides a brief survey of the
strengths and weaknesses of existing protocols with respect to these
criteria. From this survey it examines whether existing and mature
IETF protocols can be used without modification in these networks, or
whether further work is necessary. It concludes that no existing
IETF protocol meets the requirements of this domain.
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