A network entity for delivering video to a front end in accordance with service level information defining at least one service level requirement for providing a service used in delivering the video, the network entity comprising: an input for receiving a request comprising task information identifying a task to be performed requiring the service for delivery of the video; an interface for communication with processing nodes each configured to provide the service for use in delivering the video; and decision logic coupled to the interface and configured to: receive (i) the request transmitted by the video content provider, (ii) characteristics of the processing nodes, and (iii) the at least one service level requirement for providing the service; select processing node(s) based on the received characteristics and the at least one service level requirement, and communicate via the interface with the processing node(s) selected to perform the task.