1. A data monitoring method, comprising: establishing a real-time connection between at least two processing entities comprising at least one sending entity and a monitoring entity; defining transfer preferences for data and metrics to be sent for the data monitoring after the real-time connection between the at least two processing entities has been established, wherein the transfer preferences require periodic data push by the at least one sending entity; and sending the data and metrics from the at least one sending entity to the monitoring entity using the periodic data push.