US Patent No: 5,708,659

Number of patents in Portfolio can not be more than 2000

Method for hashing in a packet network switching system

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Abstract

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The port in a packet network switching system that a packet should be associated with is determined by retrieving packet address information for a packet that is to be transmitted. A predetermined number of bits from the packet address information is selected to use a hash key, which is used to compute a table address. The contents of the table at that address are compared with the packet address information. If it matches, the packet is transmitted over the port associated with that particular destination address. If it does not match, the table address is incremented by one, and the contents of the new table location identified by the incremented address are compared with the packet address information. A high speed digital video network apparatus which utilizes the hashing function is implemented on a single integrated circuit chip, and includes a network protocol processing system interconnection, compression/decompression circuits, and encoder/decoder circuits.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD.SINGAPORE12132

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Daane, John P Saratoga, CA 9 746
Desai, Sanjay M Sunnyvale, CA 4 286
Rostoker, Michael D Boulder Creek, CA 204 11983
Stelliga, Anthony Pleasanton, CA 5 198

Cited Art Landscape

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* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
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* 2001/0014,126 MPEG image decoding apparatus and method for switching operation of searching for specific code in bit stream 0 2001
 
QUALCOMM INCORPORATED (2)
* 7,991,053 Method and apparatus to enable acquisition of media in streaming applications 1 2005
* 2005/0265,461 Method and apparatus to enable acquisition of media in streaming applications 15 2005
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (1)
* 6,034,958 VP/VC lookup function 71 1997
 
ALCATEL LUCENT (2)
* 9,282,064 Method for processing a plurality of data and switching device for switching communication packets 0 2010
* 2012/0275,460 METHOD FOR PROCESSING A PLURALITY OF DATA AND SWITCHING DEVICE FOR SWITCHING COMMUNICATION PACKETS 2 2010
 
CIENA CORPORATION (4)
7,872,969 Method and apparatus for auto detection of AAL5 type frames for VCC and VPC switches 0 2003
* 2003/0202,481 Method and apparatus for auto detection of AAL5 type frames for VCC and VPC switches 2 2003
8,774,191 Method and apparatus for auto detection of AAL5 type frames for VCC and VPC switches 0 2010
* 2011/0019,545 METHOD AND APPARATUS FOR AUTO DETECTION OF AAL5 TYPE FRAMES FOR VCC AND VPC SWITCHES 0 2010
 
UNIFY, INC. (1)
* 5,956,344 Interprocessor communications in an ATM environment 18 1997
 
MSTAR SEMICONDUCTOR, INC. (1)
* 2009/0100,242 Data Processing Method for Use in Embedded System 1 2008
 
RPX CLEARINGHOUSE LLC (1)
* 6,917,621 Enhanced emulation system on a communication network 3 2001
 
THE BOEING COMPANY (2)
* 7,191,468 System and method for multidimensional data compression 41 2002
* 2003/0033,435 System and method for multidimensional data compression 22 2002
 
DIVICOM, INC. (1)
* 6,088,355 Processing system with pointer-based ATM segmentation and reassembly 130 1996
 
QWEST COMMUNICATIONS INTERNATIONAL INC. (13)
7,388,846 Cellularized packetized voice and data 2 2000
6,987,769 System and method for dynamic distributed communication 7 2000
6,831,902 Routing information packets in a distributed network 16 2000
8,005,077 Distributively routed VDSL and high-speed information packets 0 2000
7,561,895 Reverse sectorization wireless communication 11 2000
6,483,470 Power supply for a light pole mounted wireless antenna 39 2000
7,561,540 System and method for dynamic distributed communication 3 2004
* 2004/0213,218 System and method for dynamic distributed communication 7 2004
7,688,801 Routing information packets in a distributed network 3 2004
* 2005/0036,460 Routing information packets in a distributed network 18 2004
8,098,605 System and method for dynamic distributed communication 1 2008
* 2008/0317,043 SYSTEM AND METHOD FOR DYNAMIC DISTRIBUTED COMMUNICATION 6 2008
8,457,027 System and method for dynamic distributed communication 0 2011
 
PHONEX BROADBAND CORPORATION (1)
* 2002/0064,218 Data link for multi protocol facility distributed communication hub 3 2001
 
GLOBESPANVIRATA, INC. (1)
* 2002/0150,047 System and method for scheduling transmission of asynchronous transfer mode cells 25 2002
 
UNISYS CORPORATION (1)
* 6,934,278 Multimedia interface for a communications network 18 1998
 
XAFFIRE, INC. (1)
* 2002/0177,910 Performance measurement system for large computer network 31 2001
 
AT&T CORP. (2)
6,654,931 Systems and methods for playing, browsing and interacting with MPEG-4 coded audio-visual objects 36 1999
7,281,200 Systems and methods for playing, browsing and interacting with MPEG-4 coded audio-visual objects 3 2003
* Cited By Examiner