Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband asynchronous transfer mode networks

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5463620
SERIAL NO

08200375

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A wide variety of call traffic is effectively integrated in a single broadband communications network. Calls having widely differing bandwidth requirements and sensitivities to delay are handled by the network with efficient, effective, and fair bandwidth allocation and transmission scheduling. This is accomplished by classifying each call in accordance with certain signal characteristics, such as required bandwidth and sensitivity to delay. Each call class is directed to a separate queuing circuit. Some calls in certain classes, such as those associated with high-bandwidth constant bit rate services, are each directed to their own individual queuing circuits. Other calls within a class are statistically multiplexed into a single queuing circuit for that class. A multiplexing circuit operates in accordance with a dynamic time slice scheme which involves defining a service cycle time period during which the multiplexer withdraws a predetermined number of information packets from each of a plurality of queuing circuits containing information packets and places those predetermined numbers of packets onto an output link. The multiplexer breaks up the cycle time period into a plurality of time slices, each of which determines how many information packets are transmitted from each queuing circuit during the cycle time period. Efficient resource usage and congestion avoidance are further achieved by using one of a number of alternative scheduling techniques for delay insensitive traffic.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T IPM CORP.MURRAY HILL, NJ997

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sriram, Kotikalapudi Matawan, NJ 19 1785

Cited Art Landscape

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MITSUBISHI DENKI KABUSHIKI KAISHA (2)
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* 2001/0055,314 Dynamic bandwidth assignment system and dynamic bandwith assignment method capable of reducing cell transmission delay 2 2001
 
Sprint Communications C.O.L.P. (1)
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OMRON CORPORATION (2)
* 7161903 Control station, apparatus and network system 1 2001
* 2002/0062,410 Control station, apparatus and network system 2 2001
 
BENHOV GMBH, LLC (1)
* 7027403 Method and system for minimizing error in bandwidth allocation with an optimal number of renegotiations 12 2001
 
ALTERA CORPORATION (4)
7145870 Method and apparatus for combining dedicated and shared networks for efficient data transmission 0 2001
7050441 Method and apparatus for hybrid communication network 3 2001
* 2002/0097,727 Method and apparatus for hybrid communication network 13 2001
* 2002/0080,785 Method and apparatus for combining dedicated and shared networks for efficient data transmission 2 2001
 
Telesis Technologies Laboratory (1)
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PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA (2)
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* 2009/0067,329 LINE QUALITY REPORT METHOD, BASE STATION DEVICE, AND COMMUNICATION TERMINAL 7 2005
 
HUAWEI TECHNOLOGIES CO., LTD. (3)
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* 2008/0123,690 Broadband Access Network, Device and Method for Guaranteeing QoS of Services 2 2007
 
MOTOROLA SOLUTIONS, INC. (2)
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ALCATEL CANADA INC. (1)
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FUJITSU NETWORK COMMUNICATIONS, INC. (7)
5982776 Multipoint-to-point arbitration in a network switch 35 1997
5933429 Multipoint-to-multipoint echo processing in a network switch 26 1997
6256674 Method and apparatus for providing buffer state flow control at the link level in addition to flow control on a per-connection basis 41 1999
6076112 Prioritized access to shared buffers 15 1999
6167452 Joint flow control mechanism in a telecommunications network 14 1999
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NEC CORPORATION (5)
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* 2011/0085,795 COMMUNICATION DEVICE AND DOWNSTREAM RESOURCE ALLOCATION METHOD 16 2010
 
JPMORGAN CHASE BANK, N.A. (1)
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NOKIA SOLUTIONS AND NETWORKS OY (1)
6820116 Mobile browsing booster system 34 2001
 
QUALCOMM INCORPORATED (2)
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PIONEER CORPORATION (1)
* 7529270 Communication information bandwidth control apparatus and method 2 2002
 
ALCATEL-LUCENT CANADA INC. (1)
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ALCATEL LUCENT (2)
8762567 Adaptive permutation group method for overload control 0 2004
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NETAPP, INC. (2)
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ALCATEL-LUCENT USA INC. (1)
* 7796521 Method and apparatus for policing bandwidth usage for a home network 1 2006
 
FLASH NETWORKS LTD. (2)
* 7423972 System and method for a transmission rate controller 26 2001
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PROOFPOINT, INC. (2)
* 7058687 E-mail system with methodology for accelerating mass mailings 16 2001
* 2003/0028,580 E-mail system with methodology for accelerating mass mailings 9 2001
 
PARITY NETWORKS LLC (1)
* 7016302 Apparatus and method for controlling queuing of data at a node on a network 8 2000
 
ARRIS ENTERPRISES, INC. (2)
* 9807460 Optimal provisioning and management of bandwidth in a video-on-demand services architecture 0 2003
* 2005/0039,213 Optimal provisioning and management of bandwidth in a video-on-demand services architecture 23 2003
 
ALCATEL (2)
* 6980515 Multi-service network switch with quality of access 102 2000
6674756 Multi-service network switch with multiple virtual routers 132 2000
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
* 2003/0012,224 Band control device and method for multiplexing and outputting packets 3 2002
 
AT&T CORP. (7)
* 6735191 Method and apparatus for transporting TDM voice traffic over an ATM network 8 1999
6728272 Method and apparatus for transporting private line traffic over an ATM network 5 1999
7463627 Frame relay switched data service 15 2000
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7668095 Traffic management for frame relay switched data service 2 2004
7668168 Frame relay switched data service 0 2005
* 2011/0235,541 METHOD AND APPARATUS FOR MANAGING VOICE CALL QUALITY OVER PACKET NETWORKS 4 2011
* Cited By Examiner