Service QoS monitoring and analyzing based on Eucalyptus

The rapid development of the Internet provides a platform for the sharing of resource, and it has become a focus of the information society with user's increasing demand for network services year by year. With the development of cloud computing technology, it provides a solution for resource sharing. But due to uncertainty of cloud computing user requests, if there is not reasonable allocation and management of resources, it will lead to the uneven distribution of the resource, furthermore, the greater heterogeneity of the hardware will also lead to bottleneck or idle. How to achieve rational utilization of resources and provide reliable and transparent integration services for the user in the dynamic and open network environment is one of the main goals of cloud computing. This paper mainly discusses the cloud system monitoring and analysis. We use the parameter values of the node that are collected by monitoring system to get the QoS values, which are comprehensive values calculated from three aspect: basing on the node, cluster and dynamic parameters. And then we use the algorithm to calculate and analyse these data.