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- SMURF: supporting multi-tenancy using re-aspects framework
- Almorsy, Mohemed; Grundy, John; Ibrahim, Amani S.
- Software-as-a-service multi-tenancy helps service providers to cut cost, improve resource utilization, and reduce service customization and maintenance time as the tenants share the same service instance. However, existing large-scale business applications inherently do not support multi-tenancy. This hinders these applications' vendors from adopting the cloud model. Thus reengineering such applications to support multi-tenancy has become a key requirement. Reengineering such applications to support multi-tenancy is a complex and challenging task as it requires a deep understanding of the given application and almost all system modules need to be revisited. In this paper we introduce SMURF, Supporting Multi-tenancy Using Reengineering Aspects 'Re-Aspect' Framework, to help service providers reengineering their legacy applications to support multi-tenancy. SMURF is based on our new re-aspects concept where a given system modification to disable, modify, replace or inject code is encapsulated in a re-aspect. SMURF realizes given system modifications (captured as re-aspects) by automating both change impact analysis and change propagation processes. We analyze the SaaS multi-tenancy pattern, discuss the set of requirements to migrate a single-tenant application to support multi-tenancy, describe SMURF approach, architecture and implementation details, and experimental results of SMURF given a set of open source web applications.
- Publication type
- Conference paper
- Proceedings of the 17th IEEE International Conference on Engineering of Complex Computer Systems (ICECCS 2012), Paris, France, 18-20 July 2012, pp. 361-370
- Publication year
- Cloud computing; Multi-tenancy engineering; Multi-tenancy reengineering; Re-aspects; Software-as-a-service
- 9781467321563, 1467321567
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