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Web-service-related techniques have become popular to improve system integration and interaction. In distributed and dynamic environment, Web services' availability has been regarded as one of the key properties for (critical) service-oriented applications. Quality of Service (QoS), including availability, has been regarded by IEEE as a user-perceived property. However, based on our investigation...
With the popularity of service-oriented computing, how to construct highly available service-oriented applications is becoming a hot topic in both the research and industry communities. As a fundamental problem in dynamic service selection, availability estimation is challenging because of the dynamic nature of Web services. To grasp the dynamic nature of Web services, we set up an experimental environment...
Web services availability has been regarded as one of the key properties for (critical) service-oriented applications. Based on analyzing the limitations of current metrics for "User-perceived" availability, we propose a service status based availability metric and a corresponding estimating approach. Experiments demonstrate that this metric and the corresponding estimation approach could...
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