A Design-Time Semi-Automatic Approach For Obfuscating A Business Process Model In A Trusted Multi-Cloud Deployment: A Design-Time Approach For Bp Obfuscation
INTERNATIONAL JOURNAL OF WEB SERVICES RESEARCH(2018)
摘要
To enjoy the benefits of cloud computing, organizations managing complex business processes want to outsource their processes. However, as such processes express their know-how and because of the nature of the cloud, they are still reluctant to do so. To prevent such a know-how exposure, this article proposes a design-time approach for obfuscating a BP model by splitting its model into a collaboration of BP fragments semantically equivalent to the initial BP. This breaking down renders the discovery by cloud providers of-the-deep content of a critical fragment, and more of the whole process, much harder when these fragments are deployed in a multi-cloud context. While existing contributions on the topic of BP obfuscation remain at the level of principles, the authors propose an algorithm supporting automatically such a BP model transformation. The approach is validated against an obfuscation metric introduced in the article. The obtained results show that the authors' algorithm generates BP fragment with a high obfuscation level, contributing to protect BP know-how when deployed in a multi-cloud context.
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关键词
Business Process, Cloud Computing, Obfuscation, Obfuscation Metric, Security Risk Management
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