Perkins_AODV - 1 NOKIA FILENAMs.PPT/ DATE / NN Ad Hoc...

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Unformatted text preview: 1 NOKIA FILENAMs.PPT/ DATE / NN Ad Hoc Networking with AODV Charles E. Perkins Nokia Research Center Mountain View, CA USA http://people.nokia.net/charliep charliep@iprg.nokia.com 2 NOKIA FILENAMs.PPT/ DATE / NN Outline of Presentation Ad Hoc Networks in general AODV in particular Recent results from manet Internet Gateways for ad hoc networks Address autoconfiguration 3 NOKIA FILENAMs.PPT/ DATE / NN Ad Hoc Network characteristics peer-to-peer multihop dynamic zero-administration low power autonomous autoconfigured But, most of these have exceptions! Idea: let (?almost?) every node be a 4 NOKIA FILENAMs.PPT/ DATE / NN Commercial (or not!) Opportunities Conferencing Home networking Range extension for cellular base stations Emergency services Ambulance Police Hospitals Embedded computing applications Ubiquitous computers with short-range interactions Automotive/PC interaction Enable computing where subnets do not exist Jungle telemetry 5 NOKIA FILENAMs.PPT/ DATE / NN Technical/Market/Political hurdles Scalability (memory search time, bandwidth, processing) Power budget vs. latency Protocol deployment, incompatible standards Why should one node waste power'' to help a neighbor ? Wireless data rates Obsoletes the client/server model... breaks a lot of protocols User education, acculturation Antenna inconvenience (not anymore, really) Higher bit-error-rate (BER) Additional security exposure Non-ubiquitous coverage 6 NOKIA FILENAMs.PPT/ DATE / NN On-Demand Routing Protocols Eliminate route table updates for routes that are not used...
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Perkins_AODV - 1 NOKIA FILENAMs.PPT/ DATE / NN Ad Hoc...

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