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Scalable and Reliable Live Streaming Service through Coordinating CDN and P2P

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4 Author(s)
Zhi Hui Lu ; Sch. of Comput. Sci., Fudan Univ., Shanghai, China ; Xiao Hong Gao ; Si Jia Huang ; Yi Huang

In order to fully utilize CDN network edge nearby transmission capability and P2P scalable end-to-end transmission capability, while overcoming CDN's limited service capacity and P2P's dynamics, we need to combine the CDN and P2P technologies together. In recent years, some researchers have begun to focus on CDN-P2P-hybrid architecture and ISP-friendly P2P content delivery technology. In this paper, we firstly make an analysis on main problems of CDN-P2P-hybrid technology, and we compare some current existing solutions. And then we propose a novel scalable and reliable live streaming service scheme through coordinating CDN and P2P. In this scheme, different overlay hybrid methods, we design a smoother CDN and P2P overlay hybrid approach. After that we design a new peer node buffer structure for consuming media block from both CDN and P2P sources. And then we propose a novel algorithm for identifying and serving super node. The simulation experiment results show that our CDN-P2P-hybrid based live streaming scheme has better performance and reliability than pure P2P. Finally, we make a conclusion and analyze future research directions.

Published in:

Parallel and Distributed Systems (ICPADS), 2011 IEEE 17th International Conference on

Date of Conference:

7-9 Dec. 2011