Stepwise and Asynchronous Runtime Optimization of Web Service Compositions

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Provided by: Springer Healthcare
Topic: Big Data
Format: PDF
Existing research work considers runtime adaptation of service compositions as a viable tool to prevent violations of service level agreements. In previous work, the authors have formalized the optimization problem of identifying the most suitable adaptations to prevent a predicted set of violations, and presented suitable algorithms to solve this problem. Here, they introduce the idea of stepwise optimization as a solution to the problem of how to deal with situations when the optimization result is not available in time, i.e., when decisions need to be taken before the optimization problem can be fully solved.
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