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Layered Video Multicast with Retransmission (LVMR): Evaluation of Error Recovery Schemes

Summary: Layered Video Multicast with Retransmission (LVMR):
Evaluation of Error Recovery Schemes
Xue Li \Lambda Sanjoy Paul y Pramod Pancha y Mostafa Ammar \Lambda
lixue@cc.gatech.edu sanjoy@dnrc.bell­labs.com pancha@dnrc.bell­labs.com ammar@cc.gatech.edu
+1 404­894­6736 +1 908­949­1637 +1 908­949­4635 +1 404­894­3292
\Lambda: College of Computing y: Bell Laboratories
Georgia Institute of Technology Lucent Technology
Atlanta, GA 30332 Holmdel, NJ 07733
This paper proposes a novel scheme for distributing
MPEG­coded video over a best­effort heterogeneous
network, such as the Internet. The key contributions
of the proposed scheme are (1)error recovery using
smart retransmissions and adaptive playback point,
and (2) dynamic adjustment of video reception rate at
the receivers using a hierarchical control mechanism.
This paper focuses on the first feature. The proto­
cols are developed on the Internet and performance of
the system has been measured on the Mbone. Some
results from the measurement are presented and eval­


Source: Ammar, Mostafa - College of Computing, Georgia Institute of Technology


Collections: Computer Technologies and Information Sciences