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C computing has the promise of significant benefits include reduced costs, improved service, and a move to a pay - - model. However, there also challenges to successfully cloud - services ; security, data ownership, interoperability, service maturity and on investment. challenges need to be understood and managed before attempting to take of what the clo has to offer. In this paper we introduce a nine - life cycle be for migration and the of, - services. consortium of an open - app developed the life cycle. describes each step of life cycle in terms of the key challenges faced, recommend, , to overcome them.
Conway et al. (Sun,) studied this question.