Research And Implementation Of Self-Adapted Composite Service Oriented Environment Monitering Methods

With the rapidly growth in composite services research, how to make composite services running with self-adaption has been a hot topic.This thesis studies service composition execution environment and designes a platform supporting adaptive composite service operation running. The platform also provides a reliable composite service execution environment for the combination services researchers。As environment changes, to ensure that composite services could meet the user’s SLA, composite service operation platform needs to be added with some perception and measurement to fit in the mechanisms of environmental change. As a result, the platform is able to adaptively improve the dynamic composition of services according to the results of environmental change.This thesis focuses on the environmental monitoring and measurement mechanisms of the adaptive composite services operation platform. This thesis also puts forward an environment monitoring mechanism with a prototype system. Adaptive composite service oriented environment monitoring mechanism is different from traditional network monitoring mechanisms. The mechanism can guide the composition of real-time adaptive operation services. Environmental monitoring mechanism adapts a passive monitoring mechanism and gets through network management protocol as network environmental monitoring. At the same time environmental monitoring mechanism adds some environmental changes recognition mechanism and services changes in identification and measurement mechanisms which based on network monitoring to meet of guide the composite services adaption.With adaptive composition of services to meet the environment based on monitoring, this thesis presents a hierarchical domain based environmental changes in the environmental change identification mechanism. While passive monitoring composite service execution environment, the mechanism perceives changes in the network environment. And based on the impact of changes in the scope of environmental changes, the mechanism affects the network range of environmental changes caused by environmental change of the computing network on the web service of the scope and impact of service changes. This thesis designs and implementes an environmental monitoring mechanism which in adaptive composite service platform completed a composite service execution environment of the real-time monitoring, monitoring changes in the network environment, calculate and predict environmental changes of the network services impact of the event and then change the form through the services for the implementation of execution mechanism to provide adaptive execution based on composite services to ensure the reliability of adaptive execution.