Abstract
Scalability is a significant feature of cloud computing, which addresses to increase or decrease the capacities of allocated virtual resources at application, platform, database and infrastructure level on demand. We investigate scalable architecture solutions for cloud PaaS that allow services to utilize the resources dynamically and effectively without directly affecting users. We have implemented scalable architectures with different session state management solutions, deploying an online shopping cart application in a PaaS solution, and measuring the performance and cost for three server-side session state providers: Caching, SQL database and NoSQL database. A commercial solution with its supporting state management components has been used. Particularly when re-architecting software for the cloud, the trade-off between performance, scalability and cost implications needs to be discussed.
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Xiong, H., Fowley, F., Pahl, C., Moran, N. (2014). Scalable Architectures for Platform-as-a-Service Clouds: Performance and Cost Analysis. In: Avgeriou, P., Zdun, U. (eds) Software Architecture. ECSA 2014. Lecture Notes in Computer Science, vol 8627. Springer, Cham. https://doi.org/10.1007/978-3-319-09970-5_21
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DOI: https://doi.org/10.1007/978-3-319-09970-5_21
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