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移动互联网中的组播面临了很多新的问题,如何对移动组播算法进行全面的评价也成为了研究的难点。该文提出了一种基于线性能量函数的移动组播性能评价方法。该方法从“用户满意度”和“网络效用”两方面对算法进行综合性能评价,并通过线性能量函数对算法进行量化比较。该方法可广泛用于移动组播算法的评价和改进,同时为用户根据应用类别和具体要求选择合适的移动组播算法提供了参考依据。模拟实验表明,该方法可以全面、灵活地对移动组播算法性能进行量化比较。
Multicast in the mobile Internet faces many new problems. How to conduct a comprehensive evaluation of the mobile multicast algorithm has also become a research difficult. In this paper, a method of mobile multicast performance evaluation based on linear energy function is proposed. This method evaluates the performance of the algorithm from two aspects, “user satisfaction” and “network utility”, and quantifies the algorithm by linear energy function. This method can be widely used in the evaluation and improvement of mobile multicast algorithms, and provides a reference for users to select suitable mobile multicast algorithms according to application categories and specific requirements. Simulation results show that this method can comprehensively and flexibly compare the performance of mobile multicast algorithms.