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A Level Group Streaming Technique for Interactive VOD based on P2P  

Kim, Jong-Gyung (백석대학교 정보통신학부)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.33, no.11C, 2008 , pp. 955-962 More about this Journal
Abstract
Multicast Strategy is one of the cost-saving methods in the large scale VOD environment. However, it does involve complicated problems to implement VCR-like interactions for user's convenience in the multicast streaming system under considering the limited-server and the network's bandwidth in the multicast-transmission system. Therefore, the proper solution of settling such a problem is necessary. Thus, this paper which revised P2Patching[l] proposes LGST(Level Group Streaming Technique) which supports the VCR's function through cooperation among peers with heterogeneous bandwidth under the environment of P2P. This strategy can reduce latency by improving the acceptance of server and using the bandwidth of network efficiently. And for evaluate the proposed scheme's performance, I simulated the performance of streaming delivery topology and streaming quality in comparison with P2Patching. In evaluation to service request refusal ratio and service quality according to bandwidth decrement, the result of simulation shows that proposed LGST improves about $11{\sim}18%$ of performance than P2Patching. In the test of latency recovery according to fault probability and influence of VCR function operation duration, it shows similar performance.
Keywords
VOD; P2P Networking; VCR; Multicasting; Streaming Service;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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