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Challenges of reengineering into multi-tenant SaaS applications

Report (2010)
Department
Software Technology
Copyright: © 2010 The Author(s) . Software Engineering Research Group, Department of Software Technology, Faculty of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology
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Published Date

31-12-2010

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Source:

Technical Report Series TUD-SERG-2010-012

Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Software Technology

Abstract

Multi-tenancy is a relatively new software architecture principle in the realm of the Software as a Service (SaaS) business model. It allows to make full use of the economy of scale, as multiple customers "tenants" share the same application and database instance. All the while, the tenants enjoy a highly configurable application, making it appear that the application is deployed on a dedicated server. The major benefits of multi-tenancy are increased utilization of hardware resources and improved ease of maintenance, resulting in lower overall application costs, making the technology attractive for service providers targeting small and medium enterprises (SME). In our paper, we identify some of the core challenges of implementing multi-tenancy. Furthermore, we present a conceptual reengineering approach to support the migration of single-tenant applications into multi-tenant applications.

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TUD-SERG-2010-012.pdf
(pdf | 2.53 Mb)
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