Transactional and QoS combination based service quality performance predication method and device
A composite service and quality of service technology, applied in the direction of electrical components, transmission systems, etc., can solve problems such as research that fails to consider the requirements of transactions and affects the QoS attributes of composite services
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[0093] The technical scheme for realizing the present invention is as follows: Firstly, the Web service is given transactionality, and then the composition problem with transactional requirements services is analyzed, and then the performance problem of the composition service with transaction attributes is analyzed. Finally, according to the performance comparison of the transactional composition service, it is proposed Service selection method based on the combination of transaction and QoS. It includes the following steps:
[0094] In the first step, when selecting the current component service, according to the transaction characteristics of the appropriate component service that have been selected before, and according to the rule requirements of the transaction composition service, obtain candidate component services that meet the transactional requirements.
[0095] The second step is to evaluate the performance of each candidate component service, and the evaluation conside...
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