An admission control system for a satellite-based Internet access and transport network including a plurality of user terminals (UTs) connected to a terrestrial ground network via low Earth orbit satellite constellations, the terrestrial ground network further connected to a core network comprising at least a packet data network gateway (P-GW), which in turn is connected to the Internet, the admission control system comprising: a globally federated database configured to provide status information with respect to the user terminals (UTs), the terrestrial ground network, the low Earth orbit satellite constellations and the core network; and a computer system, in communication with at least a portion of the globally federated database, that executes program control instructions to: admit user terminals (UTs) for use in one or more respective service regions, wherein each admitted user terminal is associated with and enables a respective service class and a respective service subscriber, wherein each service region is an area in which a user terminal that enables a respective service class operates and from which it consumes capacity, enable a static admission control mode that is configured to always allow service subscribers to access the satellite-based network for the lifetime of the service subscriber's service, and enable a dynamic admission control mode that is configured to selectively allow service subscribers to access the satellite-based network for session-based quality of service support, based on the status information provided by the globally federated database; wherein the admission control system is configured to provide access to the satellite-based Internet access and transport network that includes a moving set of satellite spot beams each having independent schedules. a globally federated database configured to provide status information with respect to the user terminals (UTs), the terrestrial ground network, the low Earth orbit satellite constellations and the core network; and a computer system, in communication with at least a portion of the globally federated database, that executes program control instructions to: admit user terminals (UTs) for use in one or more respective service regions, wherein each admitted user terminal is associated with and enables a respective service class and a respective service subscriber, wherein each service region is an area in which a user terminal that enables a respective service class operates and from which it consumes capacity, enable a static admission control mode that is configured to always allow service subscribers to access the satellite-based network for the lifetime of the service subscriber's service, and enable a dynamic admission control mode that is configured to selectively allow service subscribers to access the satellite-based network for session-based quality of service support, based on the status information provided by the globally federated database; wherein the admission control system is configured to provide access to the satellite-based Internet access and transport network that includes a moving set of satellite spot beams each having independent schedules. admit user terminals (UTs) for use in one or more respective service regions, wherein each admitted user terminal is associated with and enables a respective service class and a respective service subscriber, wherein each service region is an area in which a user terminal that enables a respective service class operates and from which it consumes capacity, enable a static admission control mode that is configured to always allow service subscribers to access the satellite-based network for the lifetime of the service subscriber's service, and enable a dynamic admission control mode that is configured to selectively allow service subscribers to access the satellite-based network for session-based quality of service support, based on the status information provided by the globally federated database; wherein the admission control system is configured to provide access to the satellite-based Internet access and transport network that includes a moving set of satellite spot beams each having independent schedules.