Importance

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Abstract

A modem concentrator is provided that creates network-initiated connections to users of the network. According to the method, active downstream data is received from a data network at one data port. A controller of the modem concentrator reads the active downstream data and compares recipient information contained therein with stored identifiers of users. The identifiers are stored in association with identifiers of a user-side port to which the modem concentrator is connected. The controller identifies another data port associated with the identified recipient and causes a connection to be made between the one data port where the downstream data is received and the other data port connected to the user. The modem concentrator provides a use-once registration feature. When the concentrator processes upstream data, data from a user to be delivered to the network, it reads the upstream data to identify source information identifying the user that generated it. It stores the source information for use in later network-initiated connection attempts.

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First Claim