System and method for providing quality of service in asynchronous transfer mode cell transmission
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United States of America Patent
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Jan 5, 2010
Grant Date -
Sep 23, 2004
app pub date -
Dec 29, 2003
filing date -
Dec 31, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for scheduling the transmission of cells onto an network, or other packet switching network, is disclosed. The central feature of the scheduling mechanism is a quality of service engine (QoS Engine) which accelerates the processing of packets in a packet switching networks, such as an ATM network, by assisting the accurate pacing of many ATM virtual circuits. The QoS Engine allows the concurrent support of a wide variety of port speeds, traffic classes using different priorities and traffic parameters. quality of service engine (QoS Engine) works in conjunction with a network processor (NP) to allow it to maintain software flexibility, and for it to achieve accurate pacing.
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