OpenFlow-based Distributed and Fault-Tolerant Software Switch Architecture

dc.contributor.advisorGurkan, Deniz
dc.contributor.committeeMemberMerchant, Fatima Aziz
dc.contributor.committeeMemberLent, Ricardo
dc.creatorVelusamy, Gandhimathi
dc.date.accessioned2014-07-22T12:41:34Z
dc.date.available2014-07-22T12:41:34Z
dc.date.createdMay 2014
dc.date.issued2014-05
dc.date.updated2014-07-22T12:41:34Z
dc.description.abstractWe are living in the era where each of us is connected with each other virtually across the globe. We are sharing the information electronically over the internet every second of our day. There are many networking devices involved in sending the information over the internet. They are routers, gateways, switches, PCs, laptops, handheld devices, etc. The switches are very crucial elements in delivering packets to the intended recipients. Now the networking field is moving towards Software Defined Networking and the network elements are being slowly replaced by the software applications run by OpenFlow protocols. For example the switching functionality in local area networks could be achieved with software switches like OpenvSwitch (OVS), LINC-Switch, etc. Now a days the organizations depend on the datacenters to run their services. The application servers are being run from virtual machines on the hosts to better utilize the computing resources and make the system more scalable. The application servers need to be continuously available to run the business for which they are deployed for. Software switches are used to connect virtual machines as an alternative to Top of Rack switches. If such software switch fails then the application servers will not be able to connect to its clients. This may severely impact the business serviced by the application servers, deployed on the virtual machines. For reliable data connectivity, the switching elements need to be continuously functional. There is a need for reliable and robust switches to cater the today's networking infrastructure. In this study, the software switch LINC-Switch is implemented as distributed application on multiple nodes to make it resilient to failure. The fault-tolerance is achieved by using the distribution properties of the programming language Erlang. By implementing the switch on three redundant nodes and starting the application as a distributed application, the switch will be serving its purpose very promptly by restarting it on other node in case it fails on the current node by using failover/takeover mechanisms of Erlang. The tolerance to failure of the LINC-Switch is verified with Ping based experiment on the GENI test bed and on the Xen-cluster in our Lab.
dc.description.departmentEngineering Technology, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/10657/693
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectOpenFlow
dc.subjectDistributed
dc.subjectFault-Tolerant
dc.subjectSoftware switch
dc.subjectFailover
dc.subjectTakeover
dc.subject.lcshComputer networks
dc.titleOpenFlow-based Distributed and Fault-Tolerant Software Switch Architecture
dc.type.dcmiText
dc.type.genreThesis
thesis.degree.collegeCollege of Technology
thesis.degree.departmentEngineering Technology, Department of
thesis.degree.disciplineEngineering Technology
thesis.degree.grantorUniversity of Houston
thesis.degree.levelMasters
thesis.degree.majorNetwork and Communication
thesis.degree.nameMaster of Science

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