US Patent No: 7,420,969

Number of patents in Portfolio can not be more than 2000

Network switch with a parallel shared memory

ALSO PUBLISHED AS: 20020064170

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Abstract

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A network switch includes an input layer to receive a data stream with a set of cells. Each cell includes data and a header to designate a destination device. The input layer includes a set of input layer circuits. A selected input layer circuit of the set of input layer circuits receives the data stream. The selected input layer circuit includes a set of queues corresponding to a set of destination devices. The selected input layer circuit is configured to assign a selected cell from the data stream to a selected queue of the set of queues. The selected queue corresponds to a selected destination device specified by the header of the selected cell. An intermediate layer includes a set of intermediate layer circuits, each intermediate layer circuit has a set of buffers corresponding to the set of destination devices. A selected intermediate layer circuit of the set of intermediate layer circuits receives the selected cell and assigns the selected cell to a selected buffer corresponding to the selected destination device. An output layer includes a set of output layer circuits corresponding to the set of destination devices. A selected output layer circuit of the set of output layer circuits stores the selected cell prior to routing the selected cell to a selected output layer circuit output node.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NETLOGIC MICROSYSTEMS, INC.MOUNTAIN VIEW, CA604

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rahman, Mizanur M Cupertino, CA 22 75
Siu, Kai-Yeung(Sunny) San Jose, CA 5 22
Yang, Brain Hang Wai Monterey Park, CA 8 20

Cited Art Landscape

Patent Info (Count) # Cites Year
 
HITACHI, LTD. (2)
* 5,285,444 Multi-stage link switch 17 1992
6,067,654 ATM switch and control method thereof 6 1999
 
APPLE INC. (1)
* 6,580,721 Routing and rate control in a universal transfer mode network 77 1998
 
Aztech Partners, Inc. (1)
* 6,751,219 Multicast packet duplication at random node or at egress port with frame synchronization 35 2000
 
BOCKSTAR TECHNOLOGIES LLC (1)
* 6,473,428 Multi-threaded, multi-cast switch 36 1998
 
BROADCOM CORPORATION (1)
* 6,885,657 Network telephony system 35 1999
 
CIENA CORPORATION (1)
* 6,324,165 Large capacity, multiclass core ATM switch architecture 129 1997
 
FUJITSU SEMICONDUCTOR LIMITED (1)
* 6,188,686 Switching apparatus 48 1997
 
HUGHES ELECTRONICS CORPORATION (1)
* 2004/0246,891 Air interface frame formatting 33 2003
 
IKANOS COMMUNICATIONS, INC. (1)
* 6,122,279 Asynchronous transfer mode switch 35 1995
 
INTEL CORPORATION (1)
* 6,661,773 Method for detection of stale cells following route changes in a data communication 55 1999
 
LUCENT TECHNOLOGIES INC. (1)
* 5,724,352 Terabit per second packet switch having assignable multiple packet loss probabilities 38 1995
 
NEC CORPORATION (1)
* 6,370,162 Frame aligner including two buffers 5 1998
 
NOKIA SIEMENS NETWORKS GMBH & CO. KG (1)
6,331,981 Method and network component for switching low bit rate connections between input modules and output modules in a communication network 23 1998
 
OPTIS WIRELESS TECHNOLOGY, LLC (1)
6,263,053 System and method for processing telephone calls 7 1998
 
RAKUTEN, INC. (1)
* 5,337,308 Low delay ATM switching system using idle cells stamped with reference time 33 1993
 
ROCKSTAR CONSORTIUM US LP (1)
* 5,896,380 Multi-core ATM switch with cells in the core from an inlet for an outlet being aligned 44 1997
 
SOUND VIEW INNOVATIONS, LLC (1)
* 6,570,854 System and method for performing explicit rate marking for flow control in ATM networks using a virtual bandwidth-based methodology 4 1999
 
XYLAN CORPORATION (1)
* 6,094,430 Switching fabric for a digital traffic switch 11 1997
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
HITACHI, LTD. (2)
* 7,602,783 Packet switch and switching method for switching variable length packets 2 2002
8,730,962 Packet switch and switching method for switching variable length packets 0 2009
 
BOCKSTAR TECHNOLOGIES LLC (1)
* 7,843,905 Modular high-capacity switch 1 2007
 
FOUNDRIES HOLDINGS, INC. (1)
7,835,334 Output queued switch with a parallel shared memory, and method of operating same 1 2008
 
NETLOGIC MICROSYSTEMS, INC. (1)
* 8,711,849 Output queued switch with a parallel shared memory, and method of operating same 0 2010
 
ROCKSTAR CONSORTIUM US LP (1)
8,792,516 Modular high-capacity switch 0 2010
* Cited By Examiner

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