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Gridmedia: A Multi-Sender Based Peer-to-Peer Multicast System for Video Streaming

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5 Author(s)
Meng Zhang ; Department of Computer Science and Technology, Tsinghua University, Beijing, 100084, China, ; Yun Tang ; Li Zhao ; Jian-Guang Luo
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We present a novel single source peer-to-peer multicast architecture called GridMedia which mainly consists of 1) multi-sender based overlay multicast protocol (MSOMP) and 2) multi-sender based redundancy-retransmitting algorithm (MSRRA). The MSOMP deploys mesh-based two-layer structure and groups all the peers into clusters with multiple distinct paths from the source root to each peer. To address the problem of long burst packet loss, the MSRRA is proposed at the sender peers to patch the lost packets by using receiver peer loss pattern prediction. Consequently, GridMedia provides a scalable and reliable video streaming system for a large and highly dynamic population of end hosts, and ensures the quality of service in terms of continuous playback, bandwidth demanding and low latency. A real experimental system based on GridMedia architecture has been constructed over CERNET and broadcasting TV programs for seven months. More than 140,000 end users have been attracted with almost 600 simultaneously being online at Aug 2004 during Athens Olympic Games

Published in:

2005 IEEE International Conference on Multimedia and Expo

Date of Conference:

6-6 July 2005