QoS-Oriented Monitoring Model of Cloud Computing Resources Availability

With the development of cloud computing, many critical applications have been supported to provide many key services in the cloud computing. So the availability of cloud computing services turns to be higher and higher. Because resources of cloud computing are distributed, dynamic and heterogeneous, traditional research on availability cannot be good to adapt to the cloud computing new features. This paper does research on QoS-oriented cloud computing resources availability. First, a monitoring model of cloud computing resources availability is created. Then, according to the dynamic process of the cloud computing service, the availability of cloud computing resources is analyzed from QoS of a single cloud resource node which is described by common attribution and special attribution to QoS of some cloud resources which are connected by series model, parallel model and mix model to provide service. According to the three models and the analysis of the single cloud service resource, the availability of cloud computing service is monitored.