Content Delivery for Streaming Media
Speaker: Leonidas Kontothanassis
Date: 28 July 2005 Time: 11:00-12:30
Location: Mediterranean Studies Seminar Room - FORTH
Host: Prof. Evangelos Markatos DCS Lab, FORTH


In this talk I will cover the inner workings of a commercial content delivery network for streaming media. I will start by showing how the network is organized and will then show how end users are mapped to network nodes, how load balancing works and how content migrates from an origin node to the network nodes. I will also examine the transport mechanisms that ensure a high quality end-user experience while keeping transmission costs low.

Finally I will cover other issues of operating such a network including collecting usage information, allowing authenticated only access and integrating it with a storage subsystem.


Leonidas Kontothanassis received his bachelors in Computer Engineering from the University of Patras and his M.S. and Ph.D. degrees in Computer Science from the University of Rochester. He has since been a member of the Cambridge Research Lab with a four year hiatus as the principal streaming architect for Akamai Technologies. His research work and interests are in the areas of computer architecture, distributed systems, streaming services, and most recently medical applications. For a detailed list of publications, patents and research interests please visit http://www.hpl.hp.com/personal/Leonidas_Kontothanassis/

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