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ALGORITHMS AND TECHNIQUES FOR TRANSITIONING TO SOFTWARE DEFINED NETWORKS

Software Defined Networking (SDN) has seen growing deployment in the large wired data center networks due to its advantages like better network manageability and higher-level abstractions. At the core of SDN is the separation and centralization of the control plane from the forwarding elements in the network as opposed to the distributed control plane of current networks. However various issues need to be addressed for an efficient transition to SDN from existing legacy networks. In this thesis, we address following three important challenges in this regard. (1) The task of deploying the distributed controllers
continues to be performed in a manual and static way. To address this problem, we present
a novel approach called InitSDN to bootstrapping the distributed software defined network
architecture and deploying the distributed controllers. (2) Data center networks (DCNs)
rely heavily on the use of group communications for various tasks such as management utilities, collaborative applications, distributed databases, etc. SDN provides new opportunities for re-engineering multicast protocols that can address current limitations with IP multicast. To that end we present a novel approach to using SDN-based multicast (SDMC) for flexible, network load-aware, and switch memory-efficient group communication in
DCNs. (3) SDN has been slow to be used in the wireless scenario like wireless mesh net-
works (WSN) compared to wired data center networks. This is due to the fact that SDN
(and its underlying OpenFlow protocol) was designed initially to run in the wired network
where SDN controller has wired access to all the switches in the network. To address this
challenge, we propose a pure opneflow based approach for adapting SDN in wireless mesh
netowrks by extending current OpenFlow protocol for routing in the wireless network.

Identiferoai:union.ndltd.org:VANDERBILT/oai:VANDERBILTETD:etd-07122016-094859
Date22 July 2016
CreatorsPatil, Prithviraj Pradiprao
ContributorsAniruddha Gokhale, Akram Hakiri, Parameshwaran Krishnan, Gautam Biswas, Shivakumar Sastry
PublisherVANDERBILT
Source SetsVanderbilt University Theses
LanguageEnglish
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.library.vanderbilt.edu/available/etd-07122016-094859/
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, dissertation, 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 Vanderbilt 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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