Methodology to select a I/O configuration (hardware resources and stack software) in cloud platform

Currently, there is an increasing interest about the cloud platform by the High Performance Computing (HPC) community, and the Parallel Input/Output (I/O) for High Performance Systems is not an exception. However, in cloud platform increase the number of parameters that user can select to I/O system. For this reason, we propose a methodology to help the user to select a configuration.