Abstract: A method for providing an on-demand software execution service has the following steps: receiving from at least one terminal, at least one request for executing at least one software package, by a virtual machine launched on a virtual machine launching server from files from a set of files for launching virtual machines, and selecting from a set of servers at least one server to which the request will be directed, according to a rule for distributing the execution load of virtual machines by servers of the set of servers.

Abstract: A method for providing an on-demand software execution service comprising the following steps: receiving from at least one terminal, at least one request for executing at least one software package, by a virtual machine launched on a virtual machine launching server from files from a set of files for launching virtual machines, and selecting from a set of servers at least one server to which the request will be directed, according to a rule for distributing the execution load of virtual machines by servers of said set of servers.

Abstract: A system for controlled distribution of access to and broadcasting of a content acquired by a user from a content provider and accessible through an access provider, said system comprising a content control provider able to receive from said content provider and to store in a centralized database data relating to the user's rights over the acquired content. The access provider comprises a local database able to receive from said content control provider said data relating to the user's rights and a decisionmaking device able to analyze streams sent out by said user and to decide if said streams sent out conform to the user's rights registered in said local database. Application to controlling access to multimedia contents and broadcasting thereof to users when on the move or away from home via a number of types of networks or to users simultaneously connected to a number of types of networks.