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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address	Total Patents
INTERNATIONAL BUSINESS MACHINES CORPORATION	ARMONK, NY	49752

International Classification(s)

• H04J:MULTIPLEX COMMUNICATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Goetzinger, William John	Rochester, MN	15	118
Handlogten, Glen Howard	Rochester, MN	26	189
Mikos, James Francis	Rochester, MN	19	165
Norgaard, David Alan	Rochester, MN	22	153

Cited Art Landscape

Patent Info	(Count)	# Cites	Year
Synchrodyne Networks, Inc. (1)
* 6885664 Distributed switching system and method with time-based routing		17	2001
NEC USA, INC., C & C RESEARCH LABORATORIES (1)
6389019 Time-based scheduler architecture and method for ATM networks		63	1998
HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP (1)
6157649 Method and system for coordination and control of data streams that terminate at different termination units using virtual tunneling		80	1997
GATE WORLDWIDE HOLDINGS LLC (1)
6810426 Methods and systems providing fair queuing and priority scheduling to enhance quality of service in a network		125	2002
EMC IP HOLDING COMPANY LLC (1)
6078953 System and method for monitoring quality of service over network		372	1997
POLYTECHNIC UNIVERSITY (2)
6081507 Methods and apparatus for handling time stamp aging		83	1998
6389031 Methods and apparatus for fairly scheduling queued packets using a ram-based search engine		82	1998
JUNIPER NETWORKS, INC. (1)
6611522 Quality of service facility in a device for performing IP forwarding and ATM switching		311	1999
XEROX CORPORATION (4)
6038217 Rate shaping in per-flow output queued routing mechanisms for available bit rate (ABR) service in networks having segmented ABR control loops		62	1997
6064677 Multiple rate sensitive priority queues for reducing relative data transport unit delay variations in time multiplexed outputs from output queued routing mechanisms		65	1997
5926459 Rate shaping in per-flow queued routing mechanisms for available bit rate service		87	1997
6064650 Rate shaping in per-flow output queued routing mechanisms having output links servicing multiple physical layers		49	1997
SYCAMORE SPRINGS PARTNERS CORP. (1)
6104700 Policy based quality of service		645	1998
Telesis Technologies Laboratory (1)
6563829 Method for providing integrated packet services over a shared-media network		115	1999
SILICON VALLEY BANK (1)
* 6975638 Interleaved weighted fair queuing mechanism and system		58	2000
TRANSPACIFIC IP LTD. (1)
5926481 Timer Interrupt method for achieving quality-of-service criteria in a media-on-demand server system		15	1997
HITACHI, LTD. (1)
* 6608625 Three dimensional graphic processor		47	1998
ALCATEL CANADA INC. (2)
6144669 Prioritized PVC management queues for improved frame processing capabilities		123	1997
6721325 Fair share scheduling of multiple service classes with prioritized shaping		58	1998
WSOU INVESTMENTS, LLC (5)
6092115 Method for supporting per-connection queuing for feedback-controlled traffic		74	1997
6108307 Frame relay priority queses to offer multiple service classes		113	1997
6160812 Method and apparatus for supplying requests to a scheduler in an input buffered multiport switch		114	1998
* 6067301 Method and apparatus for forwarding packets from a plurality of contending queues to an output		177	1998
6229813 Pointer system for queue size control in a multi-task processing application		21	1998
NEC CORPORATION (2)
6072800 Weighted longest queue first adaptive scheduling discipline for ATM networks		49	1997
* 6775287 Output buffer type ATM exchange device and multicast control method		22	2000
SOCIONEXT INC. (1)
6810043 Scheduling circuitry and methods		57	1999
HUGHES ELECTRONICS CORPORATION (1)
* 4621359 Load balancing for packet switching nodes		77	1984
COREEL MICROSYSTEMS (1)
6229812 Scheduling techniques for data cells in a data switch		35	1997
Top Layer Networks, Inc. (1)
6226267 System and process for application-level flow connection of data processing networks		77	1998
AVAYA INC. (1)
6169740 Method of and apparatus for virtual link management		16	1997
7062184 CANADA INC. (1)
6157614 Wireless ATM network with high quality of service scheduling		82	1997
KABUSHIKI KAISHA TOSHIBA (1)
6101193 Packet scheduling scheme for improving short time fairness characteristic in weighted fair queueing		98	1997
GOOGLE INC. (1)
5790545 Efficient output-request packet switch and method		92	1996
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (3)
* 6246692 Packet switching fabric using the segmented ring with resource reservation control		79	1998
7020137 Network switching architecture with fast filtering processor		15	2001
2002/0136,230 Scheduler for a packet routing and switching system		63	2001
INTELLECTUAL VENTURES ASSETS 67 LLC (1)
6888830 Integrated circuit that processes communication packets with scheduler circuitry that executes scheduling algorithms based on cached scheduling parameters		25	2000
INTERNATIONAL BUSINESS MACHINES CORPORATION (5)
5490141 System and method for providing SVC service through an ATM network for frame relay DTEs with a terminal adapter		95	1994
5946297 Scheduling method and apparatus for supporting ATM connections having a guaranteed minimun bandwidth		54	1997
5844890 Communications cell scheduler and scheduling method for providing proportional use of network bandwith		102	1997
6028843 Earliest deadline first communications cell scheduler and scheduling method for transmitting earliest deadline cells first		105	1997
6804249 Method and system for network processor scheduling based on calculation		18	2000
TTI INVENTIONS A LLC (1)
* 5650993 Drop from front of buffer policy in feedback networks		79	1995
ADVANCED MICRO DEVICES, INC. (2)
6052751 Method and apparatus for changing the number of access slots into a memory		43	1997
6481251 Store queue number assignment and tracking		23	1999
ERICSSON AB (1)
6122673 Port scheduler and method for scheduling service providing guarantees, hierarchical rate limiting with/without overbooking capability		48	1998
MARCONI INTELLECTUAL PROPERTY (RINGFENCE) INC. (1)
* 6404768 Method and apparatus for serving ATM packets/cells		33	1998
LUCENT TECHNOLOGIES INC. (1)
5831971 Method for leaky bucket traffic shaping using fair queueing collision arbitration		84	1996
EXTREME NETWORKS, INC. (2)
6072772 Method for providing bandwidth and delay guarantees in a crossbar switch with speedup		116	1998
* 6850490 Hierarchical output-queued packet-buffering system and method		39	2000
CISCO TECHNOLOGY, INC. (4)
5835494 Multi-level rate scheduler		89	1997
6188698 Multiple-criteria queueing and transmission scheduling system for multimedia networks		133	1998
* 6813274 Network switch and method for data switching using a crossbar switch fabric with output port groups operating concurrently and independently		52	2000
6832261 Method and apparatus for distributed resequencing and reassembly of subdivided packets		54	2001
CLEARWATER INNOVATIONS, LLC (2)
6014367 Method for weighted fair queuing for ATM cell scheduling		39	1997
6041059 Time-wheel ATM cell scheduling		37	1997
CIENA CORPORATION (1)
* 6356546 Universal transfer method and network with distributed switch		90	1998
Nexabit Networks, LLC (1)
6259699 System architecture for and method of processing packets and/or cells in a common switch		306	1997
SOUND VIEW INNOVATIONS, LLC (2)
5742772 Resource management system for a broadband multipoint bridge		136	1997
5999963 Move-to-rear list scheduling		109	1997
SUN MICROSYSTEMS, INC. (1)
6094435 System and method for a quality of service in a multi-layer network element		187	1997
PROVENANCE ASSET GROUP LLC (3)
6031822 Method for optimized transmission of ATM cells via connection hops		25	1997
5850399 Hierarchical packet scheduling method and apparatus		206	1998
5905730 High speed packet scheduling method and apparatus		100	1998
ALCATEL NETWORKS CORPORATION (1)
6157654 Adaptive service weight assignments for ATM scheduling		30	1997
RPX CLEARINGHOUSE LLC (5)
6018527 Queue service interval based cell scheduler with hierarchical queuing configurations		72	1996
6028842 Dynamic traffic conditioning		128	1996
6646986 Scheduling of variable sized packet data under transfer rate control		25	1999
6810012 Queue service interval based cell schedular with hierarchical queuing configurations		27	1999
* 6891835 Servicing output queues dynamically according to bandwidth allocation in a frame environment		28	2002
INTEL CORPORATION (1)
6236647 Dynamic frame size adjustment and selective reject on a multi-link channel to improve effective throughput and bit error rate		158	1998
BROCADE COMMUNICATIONS SYSTEMS, INC. (1)
5548590 High performance frame time monitoring system and method for a fiber optic switch for a fiber optic network		43	1995
KAWASAKI MICROELECTRONICS, INC. (1)
2002/0024,830 Content addressable memory using part of memory region to store data which should not be erased		6	2001
ALCATEL (1)
6469982 Method to share available bandwidth, a processor realizing such a method, and a scheduler, an intelligent buffer and a telecommunication system including such a processor		58	1999
L-3 COMMUNICATIONS INTEGRATED SYSTEMS L.P. (1)
6266702 Method and apparatus to insert and extract data from a plurality of slots of data frames by using access table to identify network nodes and their slots for insertion and extraction data		45	1998
JOHNSON CONTROLS TECHNOLOGY COMPANY (1)
5249184 Network control system with improved reliability		48	1991

* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info	(Count)	# Cites	Year
Other [Check patent profile for assignment information] (1)
* 2008/0107,118 WEIGHTED FAIR QUEUE SERVING PLURAL OUTPUT PORTS		2	2008
INTERNATIONAL BUSINESS MACHINES CORPORATION (2)
* 7680043 Network processor having fast flow queue disable process		1	2002
7929548 Weighted fair queue serving plural output ports		1	2008
JUNIPER NETWORKS, INC. (2)
* 7830889 Systems for scheduling the transmission of data in a network device		11	2003
* 2011/0019,544 SYSTEMS FOR SCHEDULING THE TRANSMISSION OF DATA IN A NETWORK DEVICE		4	2010
ALCATEL LUCENT (2)
* 8130649 Ingress traffic flow control in a data communications system		2	2007
* 2009/0103,434 Ingress traffic flow control in a data communications system		8	2007
NEW JERSEY INSTITUTE OF TECHNOLOGY (1)
* 8861539 Replicating and switching multicast internet packets in routers using crosspoint memory shared by output ports		1	2008

* Cited By Examiner

Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Jul 8, 2019

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
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

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 08, 2008	US,7317683,B2   US7317683B2	GRANTED PATENT AS SECOND PUBLICATION
May 01, 2003	US,20030081549,A1   US20030081549A1	FIRST PUBLISHED PATENT APPLICATION

Full Text

US Patent No: 7317683

Weighted fair queue serving plural output ports

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