Collision compensation in a scheduling system

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United States of America Patent

PATENT NO 8107372
SERIAL NO

12258827

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Abstract

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A system schedules traffic flows on an output port using a circular memory structure. The circular memory structure may be a rate wheel that includes a group of sequentially arranged slots. The rate wheel schedules the traffic flows in select ones of the slots based on traffic shaping parameters assigned to the flows. The rate wheel compensates for collisions between multiple flows that occur in the slots by subsequently skipping empty slots.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
JUNIPER NETWORKS, INC.SUNNYVALE, CA2495

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frink, Craig R Chelmsford, US 26 404

Cited Art Landscape

Patent Info (Count) # Cites Year
 
LUCENT TECHNOLOGIES INC. (1)
* 5751709 Adaptive time slot scheduling apparatus and method for end-points in an ATM network 58 1995
 
AZANDA NETWORK DEVICES (1)
* 2004/0062,261 Multi-service segmentation and reassembly device having integrated scheduler and advanced multi-timing wheel shaper 14 2003
 
INTEL CORPORATION (1)
2003/0161,291 Processor with dynamic table-based scheduling using multi-entry table locations for handling transmission request collisions 4 2002
 
CISCO TECHNOLOGY, INC. (1)
* 6614799 Method and apparatus for dynamic adjustment of cable modem back-off parameters in a cable modem network 63 1999
 
SYNAPTICS INCORPORATED (1)
2004/0187,120 System and method for scheduling thread execution 31 2003
 
JUNIPER NETWORKS, INC. (1)
* 7457247 Collision compensation in a scheduling system 4 2004
 
XEROX CORPORATION (1)
5926459 Rate shaping in per-flow queued routing mechanisms for available bit rate service 87 1997
 
NORTHROP GRUMMAN CORPORATION (1)
* 5579312 Method and apparatus for scheduling the transmission of cells of guaranteed-bandwidth virtual channels 62 1995
 
IKANOS COMMUNICATIONS, INC. (1)
2002/0150,047 System and method for scheduling transmission of asynchronous transfer mode cells 25 2002
 
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (1)
6256317 Packet-switched multiple-access network system with distributed fair priority queuing 45 1998
 
ILLINOIS INSTITUTE OF TECHNOLOGY (1)
* 5390181 Method for detecting collisions on and controlling access to a transmission channel 53 1993
* Cited By Examiner

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