Access control enhancements, network access unit and service provider server for delivery of video and other services

A digital 2, theA connected with the channel request for auditing function block (37) and grant channel tabulates (39) for accessing network unit (30) (20) is providing secure multiple access and local access network method. Reviews to user request channel according to the grant channel list, and without and transmission to in a condition of grant. The grant for performing the dynamic updating the lower end cover, control order to a user command to the hooks indents service according to the circuit.