Sequence numbers for multiple quality of service levels
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United States of America Patent
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N/A
Issued Date -
May 24, 2007
app pub date -
Nov 22, 2005
filing date -
Nov 22, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system for providing communications using sequence numbers for multiple quality of service (QoS) levels includes a first network device. The first network device receives a data packet and determines a QoS level for the data packet. The first network device also determines a sequence number for the data packet based on the QoS level. The first network device then marks the data packet with the sequence number. The system also may include a second network device. The second network device receives from the first network device the data packet marked with the sequence number based on the QoS level of the data packet. The second network device determines an expected sequence number window based on the QoS level of the data packet. The second network device then determines whether the sequence number of the data packet is within the expected sequence number window for the QoS level.
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