The collaborative interaction behavior of many participants emerges as the evolution law of the complex triple play operating system. This paper abstracts the roles of the triple play operating system into 3 types of agent, namely, platform, Service Provider (SP) and user. The paper gives the agent's attribute and behavioral rules, and designs the evolution experiment of the triple play operating system under the NetLogo platform in accordance with the computing experimental theory. It compares the evolution process of the system under the double-platform and multi-platform circumstances, analyzes the macro-law of the evolution of the triple play system, and reaches the conclusion that the double-platform is easy to form Duopoly while the multi-platform is easy to form the leading enterprises. The paper studies the collaborative interaction behavior between user agent and SP agent, analyzes the micro-law of the evolution of the triple play system, and indicates that the social relations have the greatest influence on the consumer' s choice of platforms and have smaller influence on SP and business. The selecting behavior of SP is mainly influenced by the network externality of the consumers, but it will make SP concentrated on a certain platform.%众多参与者的协同交互行为涌现为三网融合复杂运营系统的演化规律，将三网融合运营系统中的角色抽象为平台、服务提供商（SP）和用户三类主体，给出了主体的属性和行为规则，并根据计算实验理论设计了NetLogo平台下的三网融合运营系统演化实验。比较双平台和多平台情况下系统的演化过程，分析三网融合系统演化的宏观规律，得出了双平台容易形成双寡头垄断而多平台容易形成龙头企业的结论。研究用户主体和sP主体的协同交互行为，分析三网融合系统演化的微观规律，表明消费者选择平台受社会关系影响最大，SP和业务内容对其影响较小，SP的选择行为主要受消费者的网络外部性影响，但会形成SP集中于某一平台的局面。
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