A New Internet-Draft is available from the on-line Internet-Drafts
directories.
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-04.txt
Pages : 25
Date : 2009-1-21
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. Routing over such low power and lossy networks
has novel requirements that existing protocols may not address. This
document provides a brief survey of the strengths and weaknesses of
existing protocols with respect to this class of networks. 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.
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