SYMPHONY : a controller for hybrid software defined networks

Chemalamarri, Vijaya Durga

SYMPHONY : a controller for hybrid software defined networks

Chemalamarri, Vijaya Durga

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Publication Type:: Thesis
Issue Date:: 2016

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Field	Value	Language
dc.contributor.author	Chemalamarri, Vijaya Durga
dc.date.accessioned	2016-09-21T02:04:58Z
dc.date.available	2016-09-21T02:04:58Z
dc.date.issued	2016
dc.identifier.uri	http://hdl.handle.net/10453/52954
dc.description	University of Technology Sydney. Faculty of Engineering and Information Technology.	en_AU
dc.description.abstract	Software Defined Networks (SDN) is currently an active area of research. As enterprises migrate to SDN, an inevitable network transitional state is a brownfield state, where both Software Defined and Legacy networks coexist. To achieve interoperability between legacy and Software Defined Networks and to leverage the existence of OpenFlow devices in the traditional network to improve existing network state, a Hybrid SDN controller is a desirable addition to any brownfield deployment of SDN. The thesis of this work aims to further the knowledge in the area of Hybrid Software Defined Networks by highlighting the requirements and challenges to be addressed while integrating legacy and Software Defined Networks. The requirements and challenges discussed in this thesis focus on path computation, packet forwarding, and centralised policy application. This is achieved by building a Hybrid SDN Controller. The main controller components - controller application that runs on POX, a route server to store legacy network information, a next-hop module, a path discovery module and a policy module. We also discuss three use cases of SYMPHONY hybrid SDN controller to demonstrate the controller's application and usefulness. We also perform few key tests to determine the efficiency of deploying a hybrid SDN controller in a network.	en_AU
dc.format	Thesis (MSc)
dc.language.iso	en_AU	en_AU
dc.relation	https://opus.lib.uts.edu.au/bitstream/10453/52954/7/02whole.pdf
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	The author owns the copyright in this thesis including all reproduction and reuse rights for the work. The work may not be altered without the permission of the copyright owner. Attribution is essential when quoting or paraphrasing from this thesis.
dc.rights	au.edu.uts.lib/ppc
dc.title	SYMPHONY : a controller for hybrid software defined networks	en_AU
dc.type	Thesis	en_AU
utslib.copyright.status	open_access

Abstract:

Software Defined Networks (SDN) is currently an active area of research. As enterprises migrate to SDN, an inevitable network transitional state is a brownfield state, where both Software Defined and Legacy networks coexist. To achieve interoperability between legacy and Software Defined Networks and to leverage the existence of OpenFlow devices in the traditional network to improve existing network state, a Hybrid SDN controller is a desirable addition to any brownfield deployment of SDN. The thesis of this work aims to further the knowledge in the area of Hybrid Software Defined Networks by highlighting the requirements and challenges to be addressed while integrating legacy and Software Defined Networks. The requirements and challenges discussed in this thesis focus on path computation, packet forwarding, and centralised policy application. This is achieved by building a Hybrid SDN Controller. The main controller components - controller application that runs on POX, a route server to store legacy network information, a next-hop module, a path discovery module and a policy module. We also discuss three use cases of SYMPHONY hybrid SDN controller to demonstrate the controller's application and usefulness. We also perform few key tests to determine the efficiency of deploying a hybrid SDN controller in a network.

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http://hdl.handle.net/10453/52954