基于CR/TR-Motion虚拟机动态迁移模型,研究了虚拟功能服务链中多虚拟机动态迁移对虚拟功能的影响,用统计和博弈论的方法设计了服务链动态调整算法.介绍了基于日志跟踪与重现的虚拟机动态迁移,在此基础上分析建立多虚拟动态迁移模型,给出了迁移时间和迁移代价函数,并依此给出服务链开销函数.然后基于可迁移概率和博弈信息论方法给出了最小开销算法和最小迁移步骤优化算法.最后给出了多虚拟机迁移模型和服务链迁移算法的测试数值结果. Based on the dynamic migration model of CR / TR-Motion virtual machine, this paper studies the effect of dynamic migration of multiple virtual machines in the virtual service chain on the virtual functions, and designs the dynamic adjustment algorithm of service chain by using statistics and game theory. And the dynamic migration of the reproduced virtual machines, on the basis of which, a multi-virtual dynamic migration model is established, the migration time and migration cost function are given, and the service chain cost function is given. Then, based on the transitive probability and game information theory The minimum cost algorithm and the minimum migration step optimization algorithm are given.Finally, the test results of multi-virtual machine migration model and service chain migration algorithm are given.