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Peer-to-peer (P2P) technology has become as a promising scalable solution to offer high-quality streaming multimedia to a large number of consumers at reasonable cost. Many existing systems have been deployed based on IPv4 network environment , . IPv6 protocol has been seemed as a core component in Next Generation Internet (NGI) and the P2P streaming scheme which can be implemented in a IPv4 and IPv6 coexisting network environment is rarely concerned. This paper addresses the architectural and fundamental design issues for supporting P2P streaming applications based on IPv4 and IPv6 coexist network environment. Our motivation is P2P streaming systems can be designed and implemented through a layered model and different layers in this novel model can implement different kinds of important functions. Our main focuses include the future P2P streaming applications design and their essential demands. Simulation results show that our model hold the higher efficiency than other protocol oftern in use, and can guarantee the data exchanging in a security way.