A method for allocating resources of a network infrastructure in order to provide a telecommunication service is disclosed. The method includes receiving, by a resource orchestrator, a request to instantiate virtualized functions on servers; determining servers to be allocated and resources of the network infrastructure enabling connectivity between the servers, based on the instantiation request; sending, to the determined resources, a configuration request enabling connectivity between the determined servers; and sending, to the determined servers, a request to allocate computing means on the determined servers.