An architecture for overlaying private clouds on public providers
Proceedings of the 8th International Conference on Network and Service Management
Perspectives and reflections on cloud computing and internet technologies from NordiCloud 2012
Proceedings of the Second Nordic Symposium on Cloud Computing & Internet Technologies
A model-driven approach for promoting cloud PaaS portability
CASCON '13 Proceedings of the 2013 Conference of the Center for Advanced Studies on Collaborative Research
A framework for architecture-driven migration of legacy systems to cloud-enabled software
Proceedings of the WICSA 2014 Companion Volume
A cost-aware auto-scaling approach using the workload prediction in service clouds
Information Systems Frontiers
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This paper presents on-going work in a research project on defining methodology and tools for model-driven migration of legacy applications to a service-oriented architecture with deployment in the cloud, i.e. the Service Cloud paradigm. We have performed a comprehensive state of the art analysis and present some findings here. In parallel, the two industrial participants in the project have specified their requirements and expectations regarding modernization of their applications. The SOA paradigm implies the breakdown of architecture into high-grain components providing business services. For taking advantage of the services of cloud computing technologies, the clients' architecture should be decomposed, decoupled and be made scalable. Also requirements regarding servers, data storage and security, networking and response time, business models and pricing should be projected. We present software engineering challenges related to these aspects and examples of these in the context of one of the industrial cases in the project.