Method and system for quality of service (QoS) support in a packet-switched network
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United States of America Patent
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Jul 11, 2006
Grant Date -
Dec 20, 2001
app pub date -
May 4, 2001
filing date -
May 5, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method and system for transporting traffic having disparate qualities of service classes across a packet-switched network includes receiving at an ingress node of a network a plurality of packets each comprising a quality of service (QoS) class defined externally to the network. Packets having a QoS class comprising delay bound guarantees and a low drop priority are combined into a first internal QoS class. Packets having a QoS class comprising a flexible drop priority and no delay bound guarantees are combined into a second internal QoS class. Packets having a QoS class including no delivery guarantees are combined into a third internal QoS class. The packets are transmitted in the network based on their internal QoS class.
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