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dc.contributor.advisorHuang, Zhiyi
dc.contributor.authorHasan, Syed Faisal
dc.date.available2011-03-14T19:56:04Z
dc.date.copyright2011
dc.identifier.citationHasan, S. F. (2011). Protocol Support for Adaptive Streaming Media (Thesis, Doctor of Philosophy). University of Otago. Retrieved from http://hdl.handle.net/10523/619en
dc.identifier.urihttp://hdl.handle.net/10523/619
dc.description.abstractThe Internet has already become a platform for multimedia rich communication, collaboration and entertaining applications. A majority of these applications are based on a technology known as audio-video streaming. Streaming conceals the effect of inherent file transmission delay by starting playback before the file transmission is complete. However, the user experience of streaming is not always satisfactory. This is because of the fact that good quality streaming requires adequate and steady end-to-end bandwidth which is often unavailable in many parts of the Internet. Adaptation is one of the means by which streaming applications try to overcome the inherent limitations of the Internet. Not only the Internet lacks mechanisms for minimum bandwidth, delay and loss guarantees, but also the available transport protocols on the Internet provides little support to adaptive streaming applications. In this dissertation, the effect of the available transport protocols on the performance of adaptive streaming media has been illustrated and mechanisms has been proposed to address these limitations. A new framework called the Dynamic Buffer Active Tuning (DBAT) has been proposed to support the adaptability of streaming applications by providing fine grained feedback, preferential packet drop, smooth rate control and automatic buffer tuning. This dissertation also introduces another framework named Clear Water Streaming (CWS) to support Variable Bit Rate (VBR) streaming flows. CWS incorporates router mechanisms to overcome the barrier of the conservative nature of TCP's congestion control, a major obstacle for VBR streaming. Finally, this dissertation proposes New Slow Start (NSS) which is a modification to slow start for providing an improved start up phase by reducing packet losses and buffering delay.en_NZ
dc.language.isoenen_NZ
dc.publisherUniversity of Otago
dc.rightsAll items in OUR Archive are provided for private study and research purposes and are protected by copyright with all rights reserved unless otherwise indicated.
dc.rights.urihttp://www.otago.ac.nz/administration/policies/otago003228.html
dc.subjectAdaptive Streamingen_NZ
dc.subjectRate Controlen_NZ
dc.subjectCongestion Controlen_NZ
dc.subjectNew slow starten_NZ
dc.titleProtocol Support for Adaptive Streaming Mediaen_NZ
dc.typeThesis
dc.date.updated2011-03-14T18:42:54Z
thesis.degree.disciplineComputer Scienceen_NZ
thesis.degree.nameDoctor of Philosophyen_NZ
thesis.degree.grantorUniversity of Otago
thesis.degree.levelDoctoral Theses
otago.interloanyesen_NZ
otago.openaccessAbstract Only
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