Abstract
Independent software vendors (ISVs) are often faced with the need to migrate their software products as software-as-a-service (SaaS) solutions to the cloud. We document and evaluate four case studies by considering various factors that the respective companies need to consider in a cloud migration process. We look at migration project as a software re-engineering activity, involving project planning, cloud architecture design and architecture transformation. Specifically for software vendors, a cloud migration opens opportunities such as the possibility of modernising their software through re-engineering their product architecture. However, small and mid-size enterprises(SMEs)often do not have the required cloud expertise to plan and implement a cloud migration.
While many experience reports exist, there is new impetus in the domain resulting from the drive towards cloud-native architecture and other developments particularly in the cloud PaaS space. This allows software modernisation as part of a wider software evolution strategy. We present such a modernising architecture evolution process here. While there is a higher initial cost, the benefits of cloud-native architectures turn out to be advantageous in the long run.
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Acknowledgement
The research work described in this paper was supported by the Irish Centre for Cloud Computing and Commerce, an Irish national Technology Centre funded by Enterprise Ireland and the Irish Industrial Development Authority.
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Fowley, F., Elango, D.M., Magar, H., Pahl, C. (2017). Software System Migration to Cloud-Native Architectures for SME-Sized Software Vendors. In: Steffen, B., Baier, C., van den Brand, M., Eder, J., Hinchey, M., Margaria, T. (eds) SOFSEM 2017: Theory and Practice of Computer Science. SOFSEM 2017. Lecture Notes in Computer Science(), vol 10139. Springer, Cham. https://doi.org/10.1007/978-3-319-51963-0_39
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