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In the field of cloud computing, current solutions dedicated to PaaS (Platform as a Service), i.e. the environments that deal with the different stages of the application life-cycle, remain business domain specific and are only partially automated. This limitation is due to the lack of an architectural model for describing a distributed application in terms of its software stacks (operating system, middleware, application), their instantiation as virtual machines, and their configuration interdependencies. This article puts forward (i) a component-based application model for defining any kind of distributed applications composed of a set of interconnected virtual machines, (ii) an automated line for deploying such a distributed application in the cloud, which includes a decentralized protocol for self-configuring the virtual application machines, (iii) a first performance evaluation demonstrating the viability of the solution.
Date of Conference: 4-9 July 2011