Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2007-12-18
2007-12-18
Sam, Phirin (Department: 2616)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S389000
Reexamination Certificate
active
10713388
ABSTRACT:
A method and apparatus provide a data communication device that can process a number of streams of data according to a plurality of services. A host device such as a network access server which may include a router and a number of carrier cards hosts a number of modules. The host and modules are equipped with a messaging application programming interface (API). The API allows the host to discover what services are offered by the modules, and allows the host and modules to form an optimal interface configuration that most effectively handles data connections of different service types, such as voice, data, facsimile, video and so forth. In operation, each module is presented with a stream of data containing multiplexed calls. Each call contains data that is best operated on by one of the particular services. The messaging API allows the host to setup and control the module and sessions of the services offered by the modules depending upon the data types of the connections. Since the modules each offer a variety of services, a stream containing data one or more connections such as voice data, video data, modem data, facsimile data and so forth can be processed by a single module under control of the host.
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Bahr Raymond G.
Foltan Andrew S.
Cisco Technology Inc.
Hamilton Brook Smith & Reynolds P.C.
Sam Phirin
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