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Identifier uch.csd.msc//2001gialama
Title Κατανεμημένος εξυπηρετητής Video με ποιότητα υπηρεσίας
Alternative Title Distributed video server with quality of service
Creator Gialama, Ekaterini M
Abstract The phenomenal growth of the Internet over the last decade has dramatically increased the performance requirements for web and multimedia servers. Furthermore, modern world-wide-web applications (like video streaming and multimedia content delivery) require high Quality of Service (QoS) guarantees. To provide these guarantees, multimedia servers must be predictable, scalable, and efficient. In this thesis, we have designed, implemented and evaluated DIVISOR, a real- time video on demand (VoD) server, that provides quality of service guarantees. DIVISOR (DIstributed VIdeo Server fOr stReaming) consists of two major components: the video encoding unit, and the protocol processing unit. The video encoding unit deals with the tasks of disk management, data encoding, and data encryption, while the protocol processing unit executes the necessary network protocols needed to transfer the data to the end clients. Recent results suggest that the network protocol processing is a significant bottleneck in the performance of typical web servers and routers. By de-coupling the video encoding from the protocol processing function, DIVISOR is able to meet the challenges of high-speed networks and to provide predictable response to larger numbers of users.
Issue date 2001-07-01
Date available 2001-07-20
Collection   School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
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