Routing device utilizing an ATM switch as a multi-channel backplane in a communication network
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United States of America Patent
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Apr 18, 1995
Grant Date -
N/A
app pub date -
Jul 22, 1993
filing date -
Jul 22, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A data communications network providing for a multiport router and providing for use of an asynchronous transfer mode (ATM) switch or the like as a routing backplane or packet switching engine. A router front end formats ATM cells including providing routing information in the cell header. The routing information may comprise, for example, a destination port identifier in the VPI field of the cell header. The ATM switch then switches the cell from an input port, coupled with the router front end to an output port based on the routing information. The ATM switch may also translate the routing information to provide source identification information to the destination. In a described embodiment, the multiport router is used as a backplane bus in a network concentrator.
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