Dear all, please find in attache a new version of the document, in which the CREAM developers have changed the following: - creation of the new classes AcceleratorEnvironment and CloudVirtualAccelerator for better representing the cases of one or more WNs (however homogeneuses) with different kind of Accelerators - al the accelerators attributes previously included in the ExecutionEnvironment and CloudComputingInstancetype classes have been noved into the nex clases rescpectively do you think we should rename the class CloudVirtualAccelerator in CloudComputingVirtualAccelerator ? should we add more associations to the new classes? best regards, alessandro -- Dr. Alessandro Paolini Operations Officer - EGI.eu Science Park 140 1098 XG Amsterdam The Netherlands skype: alessandro.paolini.egi ********************************* "I believe in the power of laughter and tears" "as an antidote to hatred and terror" "A day without laughter" "is a wasted day" >>> Charlie Chaplin