Patents Assigned to Fujitsu Network Communications, Inc.
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Publication number: 20100254409Abstract: A method of optimizing bandwidth usage in a link aggregated network includes identifying available bandwidth on a plurality of data links in a link aggregation group, selecting the data link with the least available bandwidth, and determining whether the available bandwidth of the selected data link is less than a guaranteed bandwidth of an incoming data flow. If the available bandwidth of the selected data link is less than the guaranteed bandwidth of the incoming data flow, the method includes selecting the data link with the next least available bandwidth and repeating the previous steps until the available bandwidth of the selected data link is greater than the guaranteed bandwidth of the incoming data flow. The method further includes assigning the data flow to the data link determined to have an available bandwidth greater than the guaranteed bandwidth of the incoming data flow.Type: ApplicationFiled: April 1, 2009Publication date: October 7, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Zanjun Lu, Sanjay Sharma, Nitin Gogate, David Solomon
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Publication number: 20100216319Abstract: A system comprises a backplane configured to receive a first signal and a second signal from a first plug-in unit, and a third signal and a fourth signal from a second plug-in unit, wherein the backplane is further configured to communicate each of the signals to one or more mid-plane connectors. The system further comprises the one or more mid-plane connectors configured to output the first and third signals at a first output as separate signals, and configured to output the second and fourth signals at a second output as separate signals. The system further comprises one or more I/O panels each configured to receive the first and third signals at a first input and to receive the second and fourth signals at a second input.Type: ApplicationFiled: February 23, 2009Publication date: August 26, 2010Applicant: Fujitsu Network Communications, Inc.Inventor: Stephen J. Brolin
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Publication number: 20100202117Abstract: According to one embodiment, an input-output (I-O) panel is transformed. The I-O panel is configured to couple to an array of first midplane connectors of a first shelf configured according to a first format, where the first shelf has rear access. The I-O panel comprises an array of I-O panel connectors and defines an xy-plane. An array of second midplane connectors of a second shelf is transformed to substantially align the second midplane connectors with the I-O panel connectors. The second shelf is configured according to a second format, where the second shelf has front access. The array of second midplane connectors is arranged in columns defining a midplane column axis and rows defining a midplane row axis.Type: ApplicationFiled: February 9, 2009Publication date: August 12, 2010Applicant: Fujitsu Network Communications, Inc.Inventor: Stephen J. Brolin
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Publication number: 20100189116Abstract: According to one embodiment, routing a packet flow includes routing the packet flow from a sender along a first VLAN to a receiver by applying a first service tag to the packet flow. The first service tag comprises a first VLAN identifier with a first masked portion indicating the first VLAN, where the first masked portion is masked to the receiver. The packet flow is sent to the receiver along the first VLAN. The packet flow is switched to a second VLAN associated with the first VLAN by applying a second service tag to the packet flow. The second service tag comprises a second VLAN identifier with a second masked portion indicating the second VLAN, where the second masked portion is masked to the receiver. The packet flow is sent to the receiver along the second VLAN.Type: ApplicationFiled: January 23, 2009Publication date: July 29, 2010Applicant: Fujitsu Network Communications, Inc.Inventor: Stephen J. Brolin
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Publication number: 20100088577Abstract: According to one embodiment, a system for multi-mode forward error correction comprises a substrate, forward error correction (FEC) modules, and a controller. The FEC modules are disposed outwardly from the substrate. A first FEC module performs forward error correction according to a first FEC scheme, and a second FEC module performs forward error correction according to a second FEC scheme. The controller configures the first FEC module and the second FEC module to convert from an input FEC scheme to an output FEC scheme for a stream.Type: ApplicationFiled: February 9, 2009Publication date: April 8, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Arturo Garcia, Mark Capellaro, Steven R. Paul
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Publication number: 20100085687Abstract: A back-wiring board that connects to a main circuit board of a power distribution system. The back-wiring board includes a plurality of connectors configured to mechanically secure to a plurality of bus bars. The connectors of the back-wiring board are further configured to receive a voltage signal from the plurality of bus bars and to transmit the voltage signal to the back-wiring board. The back-wiring board also includes a plurality of wire-wrap pins integrated into a surface of the back-wiring board, wherein the wire-wrap pins are configured to receive data input signals. The back-wiring board includes a right-angle connector configured to couple the back-wiring board to the main circuit board.Type: ApplicationFiled: April 6, 2009Publication date: April 8, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Paul Shannon, Mahesh Mistry
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Publication number: 20100077460Abstract: A method of securing a telecom network, the operation of the telecom network controlled using a plurality of telecom network commands, includes grouping at least some of the plurality of telecom network commands into a plurality of different task sets. Each task set includes one or more telecom network commands. The method further includes grouping at least some of a plurality of users into a plurality of different user groups. In addition, the method includes each user group to the plurality of task sets. The method also includes allowing the at least one user access to the plurality of telecom network commands based on the association of each user group to the plurality of task sets.Type: ApplicationFiled: September 23, 2008Publication date: March 25, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Michael Hare, Nimer I. Yaseen, Richard J. Dunsmore
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Publication number: 20100058311Abstract: According to one embodiment, providing a bitstream to one or more programmable devices of a service unit card includes receiving the bitstream at a snooper of the service unit card. The snooper determines whether the bitstream is current. If the bitstream is current, the bitstream is loaded onto the programmable devices. If the bitstream is not current, the received bitstream is discarded, and a substitute bitstream is identified. The substitute bitstream is loaded onto the programmable devices.Type: ApplicationFiled: June 9, 2009Publication date: March 4, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Roy C. McNeil, JR., David W. Terwilliger
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Publication number: 20100054153Abstract: In particular embodiments, a network element filters information sent to a neighboring network element. In the embodiments, the core network element may determine whether the neighboring network element is an edge network element or a core network element. If the neighboring network element is an edge network element, the core network element may set a filter, remove traffic engineering information according to the filter, and send the remaining information to the neighboring network element.Type: ApplicationFiled: November 24, 2008Publication date: March 4, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Michael D. White, Fredrick S. Gruman, Sanjay Gera, Snigdho C. Bardalai, Abinder S. Dhillon
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Publication number: 20100023613Abstract: Managing pluggable modules of a network element includes receiving an approved pluggable module list for the network element. A pluggable module is received at the network element, and a component identifier of the pluggable module is determined. If the component identifier is on the approved pluggable module list, the pluggable module is approved for operation with the network element. If the component identifier is not on the approved pluggable module list, the pluggable module is rejected for operation with the network element.Type: ApplicationFiled: November 12, 2007Publication date: January 28, 2010Applicant: Fujitsu Network Communications, Inc.Inventors: Ke Gao, Catherine Yuan, Jeffrey G. Huettner, Janice E. Jackson
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Publication number: 20090313703Abstract: A method for computer-based chat includes coupling a plurality of clients to at least one chat file residing in a file system. The method also includes appending a first text from at least one of the plurality of clients to the at least one chat file. In addition, the method includes updating the plurality of clients with changes made to the at least one chat file.Type: ApplicationFiled: June 17, 2008Publication date: December 17, 2009Applicant: Fujitsu Network Communications, Inc.Inventor: Andrew Mao
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Publication number: 20090279544Abstract: Establishing a point-to-multipoint path includes establishing a first label switched path from a source to a first destination, where the first label switched path is represented by a first label set comprising first node-label pairs. A second label switched path is established from the source to a second destination, where the second label switched path is represented by a second label set comprising second node-label pairs. One or more of the second node-label pairs are equivalent to one or more of the first node-label pairs. The first label set and the second label set are combined to establish the point-to-multicast path.Type: ApplicationFiled: May 12, 2008Publication date: November 12, 2009Applicant: Fujitsu Network Communications, Inc.Inventors: Krishna M. Ayanampudi, Snigdho C. Bardalai
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Publication number: 20090276830Abstract: According to one embodiment, maintenance points of a maintenance entity group are identified. The maintenance points comprise end points and intermediate points. A secure connectivity association set is established for the maintenance points. The following is performed for each frame of a number of frames: determining security data of the secure connectivity association set; placing the security data into a frame; and communicating the frame to a maintenance point. The maintenance point is configured to determine whether a frame is acceptable from the security data of the frame.Type: ApplicationFiled: April 30, 2008Publication date: November 5, 2009Applicant: Fujitsu Network Communications, Inc.Inventor: Donald C. O'Connor
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Publication number: 20090228731Abstract: In one embodiment, a method includes powering on a testing system, whereby a unit present signal is included in the system, the unit present signal communicating to a management complex unit (MCU) that a unit under test (UUT) has been inserted into a corresponding architecture, the signal being sent through a relay such that it can be sent or connected at a later time. The UUT is installed in the system and a programming protocol is initiated. The system is then powered off, whereby the unit present signal is set to open and the system is subsequently powered on. When the UUT is plugged in, the MCU does not see it. The system can include a second relay that allows power being fed to the UUT to be broken such that when the UUT is subsequently powered up, the board is reset and not removed from the architecture.Type: ApplicationFiled: March 6, 2008Publication date: September 10, 2009Applicant: Fujitsu Network Communications, Inc.Inventor: Gregory L. Crafton
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Publication number: 20090136229Abstract: A method and system for transmitting information in an optical communication system includes modulating a non-intensity characteristic of an optical carrier signal with a data signal to generate an optical information signal. The optical information signal is transmitted over an optical link. The optical information signal is amplified over a length of the optical link with a co-launched amplification signal traveling in the optical link in a same direction as the optical information signal.Type: ApplicationFiled: January 26, 2009Publication date: May 28, 2009Applicants: Fujitsu Network Communications, Inc., Fujitsu LimitedInventors: Takeshi Hoshida, Hiroshi Onaka, Takafumi Terahara
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Publication number: 20090067337Abstract: According to one embodiment, a method for testing a circuit includes receiving a test access session request, where the test access session request indicates that a test session is to be performed on a circuit path. A reservation message is sent to a test bus, where the reservation message reserves the test bus for the test session. The test bus includes a portion of bandwidth shared among a plurality of network elements. Traffic associated with the circuit path is copied to the test bus.Type: ApplicationFiled: September 7, 2007Publication date: March 12, 2009Applicant: Fujitsu Network Communications, Inc.Inventors: John D. Weich, Jimmy O. Goodwin, Francois Georges Joseph Moore, Carl D. Reeves
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Publication number: 20090052445Abstract: In accordance with the teachings of the present invention, a system and method for synchronizing packet forwarding information is provided. In a particular embodiment, the system includes a control processor configured to implement a control plane to generate first forwarding information and transfer the first forwarding information to an active forwarding table of a network processor. The system also includes a network processor configured to implement a forwarding plane to receive packets and use the first forwarding information in the active forwarding table to forward the received packets to one or more network devices. After the control plane is restarted, the control processor is further configured to use the restarted control plane to generate second forwarding information and incrementally update the first forwarding information in the active forwarding table with the second forwarding information while the network processor's forwarding plane continues to forward traffic.Type: ApplicationFiled: August 24, 2007Publication date: February 26, 2009Applicant: Fujitsu Network Communications, Inc.Inventor: Ronald P. Folkes
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Publication number: 20090038148Abstract: A system for removing connector pins from a backplane comprises at least two clamp plates and a plurality of pin plates coupled between the clamp plates, the pin plates configured to be positioned between adjacent rows of the connector pins. The system further comprises a tightening mechanism to tighten the clamp plates and the pin plates around the connector pins. In some embodiments, the system comprises a frame assembly configured to be positioned over the clamp plates, and configured to pull the clamp plates, the pin plates, and the connector pins off of the circuit board.Type: ApplicationFiled: August 7, 2007Publication date: February 12, 2009Applicant: Fujitsu Network Communications, Inc.Inventor: Jimmy Kevin Cloer
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Patent number: 7483639Abstract: A method and system for transmitting information in an optical communication system includes modulating a non-intensity characteristic of an optical carrier signal with a data signal to generate an optical information signal. The optical information signal is transmitted over an optical link. The optical information signal is amplified over a length of the optical link with a co-launched amplification signal traveling in the optical link in a same direction as the optical information signal.Type: GrantFiled: May 10, 2001Date of Patent: January 27, 2009Assignees: Fujitsu Limited, Fujitsu Network Communications, Inc.Inventors: Takeshi Hoshida, Hiroshi Onaka, Takafumi Terahara
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Publication number: 20080124073Abstract: A method is provided for providing protection of a local area network (LAN) connection that includes providing first and second LAN cards in a multi-service platform. The first and second LAN cards each include at least one port. The first and second LAN cards are coupled to a network edge device through their respective ports to communicate LAN traffic. The method also includes designating the first LAN card as an active card and the second LAN card as an inactive card. The method further includes detecting a network failure associated with the first LAN card. The method further includes protecting LAN traffic communicated between the second LAN card and the LAN by designating the second LAN card as an active card and the first LAN card as an inactive card.Type: ApplicationFiled: November 29, 2006Publication date: May 29, 2008Applicant: Fujitsu Network Communications, Inc.Inventors: Francois Georges Joseph Moore, Michael Davis White, Jimmy O. Goodwin, John Douglas Weich