Patent ID: 6070192
Filing Date: 2000-05-30
Classification: H04L,H04Q

Abstract:
A data access transport system comprising a plurality of network access servers and a network controller connected to the network access servers;each network access server being operable:to send a connection setup request to the network controller on receipt of a data call before answering the data call, the connection setup request specifying a data service provider to which a connection is requested; andto receive a connection setup response from the network controller, the connection setup response indicating whether the requested connection is to be completed;to respond to a connection setup response indicating that the connection is to be completed by answering the data call and initiating a connection to the specified data service provider; andto respond to a connection setup response indicating that the connection is not to be completed by initiating a busy indication; andthe network controller being operable:to receive a connection setup request from any of the network access servers;to determine whether a quantity of network resources currently used by the data service provider specified in the connection setup request is less than an service quota assigned to the data service provider; andto send a connection setup response to the network access server which sent the connection setup request, the connection setup response indicating that the requested connection is to be completed when the quantity of network resources currently used by the data service provider is less than the assigned service quota and the connection setup response indicating the requested connection is not to be completed when the quantity of network resources currently used by the data service provider is not less than the assigned service quota.