Method and system for providing differentiated service on a per virtual circuit basis within a packet-based switch/router
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United States of America Patent
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Apr 4, 2006
Grant Date -
N/A
app pub date -
Jan 24, 2002
filing date -
Dec 11, 2001
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Abstract
Different levels of service are provided to different types of traffic within a single virtual circuit (VC) by converting the traffic from fixed-length cells to variable-length packets, classifying the packets based on information in the packet headers, associating the packets with a VC, and then implementing class-specific enqueuing and dequeuing of the classified packets on a per-VC basis. Classified packets are dequeued from VC-specific and class-specific queues into VC-specific segmentation and re-assembly (SAR) queues according to an algorithm that is a function of traffic class. The dequeuing algorithm determines the level of service that is provided to the different classes of traffic within each VC. Packets are dequeued from the VC-specific SAR queues and converted back to fixed-length cells according to an algorithm that arbitrates among multiple VC-specific SAR queues. The technique for managing traffic can be carried out within an Ethernet switch/router that includes input and output ATM interfaces.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- PROVENANCE ASSET GROUP LLC;RIVERSTONE NETWORKS, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Anderson, Thomas | Hudson, NH | 47 | 862 |
Fuller, Kathryn | North Reading, MA | 1 | 48 |
Washabaugh, Douglas Markham | Hubbardston, MA | 1 | 48 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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