A Configurable Resource Allocation for Multi-tenant Process Development in the Cloud

Cloud computing has become an important infrastructure for outsourcing service-based business processes in a multi-tenancy way. Configurable process models enable the sharing of a reference process among different tenants that can be customized according to specific needs. While concepts for specifying the control flow of such processes are well understood, there is a lack of support for cloud-specific resource configuration where different allocation alternatives need to be explicitly defined. In this paper, we address this research gap by extending configurable process models with the required configurable cloud resource allocation. Our proposal allows different tenants to customize the selection of the needed resources taking into account two important properties elasticity and shareability. Our prototypical implementation demonstrates the feasibility and the results of our experiments highlight the effectiveness of our approach.

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