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End-to-end Behavior of Delay Tolerant Networks with Message Ferries

Delay Tolerant Networks (DTN) are high delay networks with intermittent connectivity. Transport protocols developed either for high bandwidth networks or low delay networks suffer significantly on these type of networks. We have studied the impact of various transport protocols and application level protocols on a specific type of DTN namely Message Ferry Networks. At present there is no specific transport protocol that adapts well to the characteristics of Message Ferry networks. We developed a protocol that is well suited for Message ferry networks. Our protocol ensures major characteristics of a reliable transport protocol like in order delivery and reliable transfer of data without compromising on the throughput. We simulated our protocol by modifying the TCP process model in Opnet and compared it with standard TCP. The simulation results show a drastic improvement over the standard TCP protocol.
Date17 March 2008
CreatorsKandula, Dheeraj
ContributorsDr Rudra Dutta, Dr George Rouskas, Dr David Thuente
Source SetsNorth Carolina State University
Detected LanguageEnglish
Rightsunrestricted, I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dis sertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to NC State University or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.

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