Replica selection algorithm for streaming media in Cloud-P2P (C2P2RSA2) is proposed in this paper. In replica selection model based on ant colony, a replica select metrics (replica node network bandwidth, network delay, etc.) is mapped by ant colony pheromone. The replica pheromone probability formula is proposed. The experimental results show the average access time of C2P2RSA2 is increased by 2% -5% than that of PARSA (pheromone-base ant colony replica adaptive selection algorithm in cloud storage) and best replica selection algorithm.
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