Dynamic node join algorithm with rate-distortion for P2P live multipath networks

Authors:
Shyh-Chang Liu;Tsung-Hung Chen;Tsang-Hung Wu;Peter P. S. Wang
Affiliations:
Dept. of Information Eng, I-Shou University, Koushiung, Taiwan;Dept. of Information Eng, I-Shou University, Koushiung, Taiwan;Dept. of Information Eng, I-Shou University, Koushiung, Taiwan;Dept. of Computer Science and Information Eng, National Central University, Taoyuan, Taiwan
Venue:
WSEAS Transactions on Information Science and Applications
Year:
2009

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Abstract

The delivery of multimedia that efficiently maximizes its quality in changing network conditions is one of the most challenging tasks in the design of live streaming systems. This study attempts to improve current P2P (peer-to-peer) live streaming systems by allowing users to enjoy high-quality service under the limitations of network resources. The proposed improvement method involves summing up and analyzing the consideration factors and restriction factors involving live stream quality during system operations. The proposed R-D (Rate-Distortion) optimized dynamic nodes join algorithm is based on multipath streaming concept and receiver-driven approach. This distributed algorithm enables the system to evaluate the current network status, in order to optimize the end-to-end distortion of P2P networks. Results of this study demonstrate the effectiveness of the proposed approach.