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在云计算中,终端用户对云资源软硬件的影响和破坏远比目前用户利用因特网进行资源共享要严重的多,因此相对于用户的身份,用户的行为是否真实可信是云计算研究的一个重要内容。提出了户行为认证的机制,包括行为认证集的确立、行为证据的获得、行为认证的策略,建立相应的随机Petri网模型,并通过量化瞬时变迁的实施概率来模拟不同的认证选择,利用系统达到稳定状态时位置中的平均标记数来评价认证效果,为云计算的安全应用奠定理论和实践基础。
In the cloud computing, the impact and destruction of end-users on the hardware and software of the cloud resources are far more serious than the current users to share resources by using the Internet. Therefore, whether the user’s behavior is authentic or not relative to the user’s identity is one of cloud computing research important content. The mechanism of household behavior certification is proposed, including the establishment of behavior certification set, the acquisition of behavioral evidence, the strategy of behavior certification, the establishment of the corresponding stochastic Petri net model and the simulation of different certification options by quantifying the implementation probability of instantaneous transitions. The average number of markers in the stable state is used to evaluate the certification effect, laying a theoretical and practical foundation for the safe application of cloud computing.