Software Product Line Engineering: Foundations, Principles and Techniques
Software Product Line Engineering: Foundations, Principles and Techniques
Multi-level customization in application engineering
Communications of the ACM - Software product line
Multi-tenant databases for software as a service: schema-mapping techniques
Proceedings of the 2008 ACM SIGMOD international conference on Management of data
Generation of BPEL Customization Processes for SaaS Applications from Variability Descriptors
SCC '08 Proceedings of the 2008 IEEE International Conference on Services Computing - Volume 2
ICSOC '08 Proceedings of the 6th International Conference on Service-Oriented Computing
The design of the force.com multitenant internet application development platform
Proceedings of the 2009 ACM SIGMOD International Conference on Management of data
PESOS '09 Proceedings of the 2009 ICSE Workshop on Principles of Engineering Service Oriented Systems
Multi-tenant SaaS applications: maintenance dream or nightmare?
Proceedings of the Joint ERCIM Workshop on Software Evolution (EVOL) and International Workshop on Principles of Software Evolution (IWPSE)
Enabling multi-tenancy: An industrial experience report
ICSM '10 Proceedings of the 2010 IEEE International Conference on Software Maintenance
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A multi-tenant software as a service (SaaS) system has to meet the needs of several tenant organizations, which connect to the system to utilize its services. To leverage economies of scale through re-use, a SaaS vendor would, in general, like to drive commonality amongst the requirements across tenants. However, many tenants will also come with some custom requirements that may be a pre-requisite for them to adopt the SaaS system. These requirements then need to be addressed by evolving the SaaS system in a controlled manner, while still supporting the requirements of existing tenants. In this paper, we study the challenges associated with engineering multi-tenant SaaS systems and develop a framework to help evolve and validate such systems in a systematic manner. We adopt an intuitive formal model of services. We show that the proposed formalism is easily amenable to tenant requirement analysis and provides a systematic way to support multiple tenant on-boarding and diverse service management.