为探索基于连接速度和流量的云计算服务定价机制差异,构建了不同定价标准下的消费者效用模型.应用该模型对基于单位时间连接速度、使用量及复合定价标准的不同定价方案绩效进行比较,研究结果表明以单位时间连接速度为定价标准时,供应商利润及消费者效用均达到最优.进一步通过数值算例展示结果的有效性,该结果对云计算服务供应商定价机制设计具有指导意义.%To explore the difference of cloud computing service pricing mechanism by connection speed and traffic, we constructed the consumer utility model bsed on different pricing standards to compare the performance of different pricing schemes by the connection speed per unit time,the used volume and the composite pricing standard. The results showed that the supplier profit and the consumer utility were both optimal when the connection speed per unit time was used as the pricing standard,which was further valuated by numerical examples. The results provide guiding significance for the pricing mechanism design for cloud computing service providers.
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