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Identifier 000347941
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Title LEMP : a peer-to-peer video streaming protocol
Alternative Title LEMP
Author Κατερτζής, Κωνσταντίνος Μιχαήλ
Thesis advisor Μαρκάτος, Ευάγγελος
Abstract In this work we propose LEMP, a new scalable application-layer protocol, specifically designed for video streaming applications with large client sets. LEMP is a pull-based protocol in which peers act both as clients and partial servers. The novelty of our protocol is its use of a semi-hierarchical overlay which, in a sense, “brings back to life” the traditional tree-based approach but this time from a specific only point of view. We emphasize four salient features of LEMP design and implementation: 1) fault-tolerance and self-recovery so as to successfully adapt to high churn environments, 2) minimum simultaneous video server channels, 3) manageable network traffic per client and 4) minimum control overhead. We present a detailed design justification, implementation and evaluation of our prototype on real-world PlanetLab testbed and large-scale emulation on the Emulab testbed. Our comparative analysis with an existing widely deployed commercial system shows that LEMP preserves high QoS and minimum control overhead.
Language English
Issue date 2009-06-22
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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