[UCI-Calit2] NETSYS/CS Seminar Series- Friday April 4, 2014
Anna Lynn Spitzer
aspitzer at calit2.uci.edu
Tue Mar 25 14:49:39 PDT 2014
NETSYS/CS Seminar Series
Title: SDN-assisted Cross-layer Multi-stream Management for 3D Tele-immersion
Speaker: Klara Nahrstedt, University of Illinois, Urbana-Champaign
Date: Friday April 4, 2014
Time: 11 a.m.- noon
Location: Donald Bren Hall, Room 6011
Abstract:
Current telepresence systems require a very strong real-time interactivity. Requirements are even more stringent in multi-stream and multi-site teleimmersive applications due to strong dependencies across geographically distributed streams. In this talk, Nahrstedt will present OpenSession, a cross-layer session-network control protocol for multi-stream, multi-site 3D teleimmersion. OpenSession aims to improve interactivity, resource utilization and scalability by decoupling application layer data and control plane functionality, and partially offload the data plane functionalities to network layer switches. The control of network switches during the session run-time happens via OpenSession which leverages the Software-Defined Networking (e.g., OpenFlow) assistance. The experiments with the cross-layer control session-network control are very encouraging, since OpenSession improves 3DTI interactivity and resource usage at the data plane.
Bio: Klara Nahrstedt is the Ralph and Catherine Fisher Professor in the Computer Science Department, and acting director of Coordinated Science Laboratory in the College of Engineering at the University of Illinois at Urbana-Champaign. Her research interests are directed toward 3D tele-immersive systems, mobile systems, Quality of Service (QoS) and resource management, Quality of Experience in multimedia systems, and real-time security in mission-critical systems. She is the co-author of widely used multimedia books `Multimedia: Computing, Communications and Applications' published by Prentice Hall, and 'Multimedia Systems' published by Springer Verlag. Nahrstedt is the recipient of the IEEE Communication Society Leonard Abraham Award for Research Achievements, University Scholar, Humboldt Award, IEEE Computer Society Technical Achievement Award, and the former chair of the ACM Special Interest Group in Multimedia. She was the general chair of ACM Multimedia 2006, general chair of ACM NOSSDAV 2007 and the general chair of IEEE Percom 2009. Nahrstedt received her diploma in Mathematics from Humboldt University, Berlin, Germany in numerical analysis in 1985. In 1995 she received her Ph.D. from the University of Pennsylvania in the Department of Computer and Information Science. She is ACM Fellow, IEEE Fellow, and member of the Leopoldina German National Academy of Sciences.
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