ATM-based distributed network switching system
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United States of America Patent
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Jul 20, 2004
Issued Date -
N/A
app pub date -
May 23, 2000
filing date -
Apr 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An Asynchronous Transfer Mode (ATM)-based distributed network switching system includes an ATM switching network that dynamically sets up individual switched virtual connections. The system also includes multiple access interworking function (A-IWF) devices each operating as a gateway that enables customer premises devices to directly interface into the distributed ATM switching fabric. The system further includes a centralized control and signaling interworking function (CS-IWF) device that performs call control functions and administrative functions and is adapted to interface narrowband and broadband signaling for call processing and control within the ATM switching network. The CS-IWF device may be a server farm.
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