US Patent No: 6,606,321

Number of patents in Portfolio can not be more than 2000

Method of establishing MPOA shortcut virtual channel connections

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Importance

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Abstract

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A method of establishing calls between an ingress MPC (the calling party) and an egress MPC (the called party) in MPOA enabled ATM based networks. The call establishment method utilizes the call request SETUP, CONNECT and CONNECT_ACK messages in creating the shortcut VCC between ingress and egress MPCs. The calling party is adapted to send a READY_IND message in a reliable manner to the called party indicating that it is ready to receive frames over the shortcut VCC. The called party starts sending data over the shortcut VCC only when it knows that the calling party is ready. The called party knows the calling party is ready upon receipt of a READY_IND message or at least one data frame on the shortcut VCC. The calling party knows that the called party is ready to receive frames when it receives the CONNECT message. Since the READY_IND message sent by the calling party may get lost, the calling party is adapted to re-send the READY_IND message repeatedly until it is certain the called party has received it. The calling party utilizes a timer whereupon expiration, the READY_IND message is re-sent to the called party and the timer is restarted.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.HOUSTON, TX27501

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gershon, Benny Rehovot, IL 4 79
Goldstein, Dror Tel Aviv, IL 1 28
Katzri, Lior Ramat-Aviv, IL 8 132
Natanson, Sarit Shani Tel Aviv, IL 8 219

Cited Art Landscape

Patent Info (Count) # Cites Year
 
FUJITSU LIMITED (2)
6,125,123 Signaling method, switching system, storage medium and network 12 1997
6,421,321 Apparatus and a method for transferring a packet flow in a communication network 31 1998
 
AT&T CORP. (1)
6,385,170 Method and system for dynamically triggering flow-based quality of service shortcuts through a router 48 1998
 
AXXCELERA BROADBAND WIRELESS, INC. (1)
6,418,126 Wireless ATM networks 9 1998
 
HITACHI, LTD. (1)
5,912,903 Method and system for quickly transferring data in a network having computers connected therewith 8 1996
 
INTERNATIONAL BUSINESS MACHINES CORPORATION (1)
6,452,921 Method and system within a computer network for maintaining source-route information at a router bypassed by shortcut communication 16 1998
 
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. (1)
6,181,700 Data transfer device having retransmission control function 6 1997
 
ROCKSTAR CONSORTIUM US LP (1)
6,279,035 Optimizing flow detection and reducing control plane processing in a multi-protocol over ATM (MPOA) system 60 1998
 
Sprint Communications Company L.P. (1)
6,081,525 Broadband telecommunications system 55 1996

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
BROADCOM CORPORATION (22)
7,239,636 Multiple virtual channels for use in network devices 15 2002
7,212,534 Flow based congestion control 37 2002
8,774,199 Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost 0 2003
8,750,320 Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost 0 2003
8,180,928 Method and system for supporting read operations with CRC for iSCSI and iSCSI chimney 1 2005
7,996,573 Method and system for supporting read operations with CRC for iSCSI and iSCSI chimney 0 2005
7,684,330 Flow based congestion control 1 2007
8,116,203 Multiple virtual channels for use in network devices 0 2007
8,135,016 System and method for identifying upper layer protocol message boundaries 1 2007
8,402,142 System and method for TCP/IP offload independent of bandwidth delay product 0 2007
7,849,208 System and method for TCP offload 2 2008
8,798,091 Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost 0 2008
7,912,064 System and method for handling out-of-order frames 3 2008
8,767,756 Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost 0 2008
7,934,021 System and method for network interfacing 2 2009
7,929,540 System and method for handling out-of-order frames 6 2010
8,023,413 Flow based congestion control 16 2010
8,451,863 System and method for identifying upper layer protocol message boundaries 0 2010
8,345,689 System and method for identifying upper layer protocol message boundaries 0 2010
8,549,152 System and method for TCP/IP offload independent of bandwidth delay product 0 2010
8,493,857 Multiple logical channels for use in network devices 0 2011
8,677,010 System and method for TCP offload 0 2011
 
ALCATEL (1)
7,366,184 SVC/SPVC with L3 IP forwarding 0 2003
 
EGENERA, INC. (1)
7,174,390 Address resolution protocol system and method in a virtual network 24 2002
 
GENBAND US LLC (1)
7,386,604 Signaling method for communication networks 1 2003
 
INTEL CORPORATION (1)
7,660,268 Determining the presence of IP multicast routers 0 2005
 
ROCKSTAR CONSORTIUM US LP (1)
7,327,738 System, device, and method for supporting virtual private networks 4 2003
 
THOMSON LICENSING (1)
7,024,610 Data transmission method 0 2003

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Feb 12, 2015
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