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Title page for ETD etd-07122016-094859

Type of Document Dissertation
Author Patil, Prithviraj Pradiprao
Author's Email Address prithviraj6116@gmail.com
URN etd-07122016-094859
Title Algorithms and techniques for transitioning to software defined networks
Degree PhD
Department Computer Science
Advisory Committee
Advisor Name Title
Aniruddha Gokhale Committee Chair
Akram Hakiri Committee Member
Gautam Biswas Committee Member
Parameshwaran Krishnan Committee Member
Shivakumar Sastry Committee Member
  • Data center Networks
  • Multicast
  • SDN
  • Software Defined Networks
  • Wireless Mesh Network
  • Openflow
Date of Defense 2016-06-01
Availability unrestricted
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.

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