Quality of service management in a packet data router system having multiple virtual router instances
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United States of America Patent
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Jul 22, 2003
Grant Date -
N/A
app pub date -
Sep 28, 1999
filing date -
Sep 28, 1999
priority date (Note) -
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Abstract
Methods and system for controlling the processing of data packets comprising a plurality of routers and a plurality of virtual router instances with each virtual router instance storing received data packets in one or more ingress data queues located on each router in which the virtual router instance appears. Packet flow rates of ingress data queues associated with the first virtual router instance on each of a first and second router are periodically adjusted based on current operating conditions of the first router. Packet flow rates of one or more ingress data queues may be adjusted based on current operating conditions of the first router when at least a second virtual router instance is also located on the first and second routers. Packet flow rates of the first and second virtual router instances may also be adjusted independently of each other.
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