Patents Assigned to Fujitsu Network Communications, Inc.
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Publication number: 20140325835Abstract: A system for removing a plurality of connectors from a circuit board includes two clamp plates. The system includes a divider plate coupled between the two clamp plates. The divider plate is configured to be positioned between adjacent rows of the plurality of connectors. The system further includes a tightening mechanism to tighten the clamp plates and the plurality of pin plates around the plurality of connectors. The system also includes an ejector coupled to the divider plate. The ejector includes a slot that corresponds to a projection on the divider plate, and the divider plate is configured to slide relative to the ejector.Type: ApplicationFiled: May 3, 2013Publication date: November 6, 2014Applicant: Fujitsu Network Communications, Inc.Inventor: Jimmy Kevin Cloer
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Publication number: 20140325836Abstract: A system for removing connector pins from a circuit board includes two clamp plates. The system further includes a plurality of pin plates coupled between the clamp plates. The plurality of pin plates are configured to be positioned between adjacent rows of the connector pins. The system also includes an attachment block coupled between the clamp plates. The attachment block is configured with an inset that corresponds with a notch on each of the plurality of pin plates for linking vertical movement of the plurality of pin plates and the attachment block. The system includes a tightening mechanism to tighten the clamp plates and the plurality of pin plates around the connector pins.Type: ApplicationFiled: May 3, 2013Publication date: November 6, 2014Applicant: Fujitsu Network Communications, Inc.Inventor: Jimmy Kevin Cloer
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Publication number: 20140233939Abstract: The present disclosure may include a method to be performed by an electronic device in an optical network. The method may include generating a message associated with a slot and at least one connection identification (ID) corresponding to the slot. The message may include a slot counter region configured to identify the slot, a request region configured to activate a protect path utilizing the slot, a connection ID counter region configured to identify the at least one connection ID, and a status region configured to convey status of the at least one connection ID corresponding to the slot. The method may also include transmitting the message to other electronic devices in the optical network. The disclosure also includes associated systems and apparatuses.Type: ApplicationFiled: February 15, 2013Publication date: August 21, 2014Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Fredrick S. Gruman, Catherine H. Yuan
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Publication number: 20140153406Abstract: The present disclosure may include a method of handling test packets in an apparatus with a first unit communicatively coupled with a second unit. The method may comprise designating a test packet with type information, the type information indicating whether the test packet is handled by the first unit, the second unit, or either unit. The method additionally may include setting one or more bits of a register of the first unit to select whether the first unit will handle all of the test packets with type information designating either unit. The disclosure further includes associated systems and apparatuses.Type: ApplicationFiled: November 30, 2012Publication date: June 5, 2014Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Stephen J. Brolin, Ali Zaringhalam, Frank J. Schumeg
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Publication number: 20140133305Abstract: A networking device of one embodiment includes a processor, a memory, a networking module, and a traffic manager module. The networking module is configured to receive a packet comprising a first header (the first header comprising information identifying a flow), add a second header to the packet (the second header identifying the packet as a test packet), and assign processing rules to the packet based at least on the information identifying the flow. The traffic manager module is configured to remove one of the first header and the second header from the packet and process the packet in accordance with the processing rules.Type: ApplicationFiled: November 15, 2012Publication date: May 15, 2014Applicant: Fujitsu Network Communications, Inc.Inventors: Stephen J. Brolin, Debbie C. Lun, Ali Zaringhalam
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Publication number: 20140119743Abstract: A method for regenerating and amplifying optical signals includes determining a source optical signal, adding a first pump optical signal and a second pump optical signal to the source optical signal to yield an intermediate optical signal, duplicating the intermediate optical signal to yield a first duplicate signal and a second duplicate signal, phase-shifting the first duplicate signal, passing the phase-shifted first duplicate signal and the second duplicate signal bi-directionally through a nonlinear optical element, and performing degenerate phase-sensitive amplification on the phase-shifted first duplicate signal and the second duplicate signal.Type: ApplicationFiled: October 31, 2012Publication date: May 1, 2014Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Jeng-Yuan Yang, Youichi Akasaka, Motoyoshi Sekiya, Inwoong Kim
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Publication number: 20140013576Abstract: In accordance with the present disclosure, a press fit tool assembly may include a press fit tool having a plurality of parallel blades configured such that each row of pins of a male connector may mechanically couple to adjacent blades when the press fit tool is mechanically coupled to the male connector. The press fit tool assembly may also include a press fit tool cap mechanically coupled to the press fit tool, with the press fit tool cap having at least one protrusion configured to be received by a corresponding notch of the male connector when the male connector is mechanically coupled to the press fit tool.Type: ApplicationFiled: July 11, 2012Publication date: January 16, 2014Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventor: Michael J. Barnes
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Publication number: 20130272702Abstract: A method for regenerating optical signal includes determining a source optical signal to be regenerated, adding a first pump optical signal and a second pump optical signal to the source optical signal to yield an intermediate optical signal, creating a first conjugate optical signal and a second conjugate optical signal from the intermediate optical signal, and performing degenerate phase-sensitive amplification utilizing the first conjugate optical signal, the second conjugate optical signal and the source optical signal to yield an output optical signal. The source optical signal is modulated with a multilevel modulation format. Each conjugate optical signal has a phase that is a conjugate of a multiple of the phase of the source optical signal.Type: ApplicationFiled: June 18, 2012Publication date: October 17, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Jeng-yuan Yang, Youichi Akasaka, Motoyoshi Sekiya, Inwoong Kim
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Publication number: 20130148512Abstract: In accordance with embodiments of the disclosure, a method may include communicating, via an inter-card communication channel, local link status information regarding at least one local physical port resident on a first network interface, wherein the at least one local physical port is a member port of a link aggregation group, to one or more other network interfaces, other than the first network interface, having member ports of the link aggregation group. The method may also include receiving, via the inter-card communications channel, non-local link status information regarding at least one non-local physical port resident on the one or more other network interfaces, wherein the at least one non-local physical port is a member port of the link aggregation group. The method may further include designating a link status of the at least one local physical port based on the local link status information and the non-local link status information.Type: ApplicationFiled: December 7, 2011Publication date: June 13, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Muhammad S. Sarwar, Zanjun Lu, Zigmunds Andis Putnins, Jaya Sarup
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Publication number: 20130128774Abstract: A method may include receiving, at a network interface of a first network element, an Internet Group Management Protocol (IGMP) message from a second network element. The method may also include updating first multicast group data associated with the network interface based on the received IGMP message, the first multicast group data including one or more entries setting forth a multicast group and one or more other network elements which are members of the multicast group. The method may additionally include determining whether the second network element is the sole member of its multicast group based on the IGMP message and the first multicast group data. The method may further include forwarding the IGMP message to a switching element of the first network element in response to determining that the second network element is the sole member of its multicast group, the switching element communicatively coupled to the network interface.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Bijendra Singh, Albert Vinson Smith, JR., Calvin Wan, Abirami Sathyamoorthy
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Publication number: 20130090143Abstract: A method may include scheduling for the downlink control channel, by a first base station during a partial loading sub-frame, at least a first group of wireless communication devices present in the first cell, the first group of wireless communication devices comprising wireless communication devices determined by the first base station to be near an edge of the first cell. The method may additionally include scheduling for the downlink control channel, by the first base station during a normal loading sub-frame, at least one other group of wireless communication devices present in the first cell other than wireless communication devices in the first group of wireless communication devices, the at least one other group of wireless communication devices determined by the first base station to be in greater proximity to the first case station than wireless communication devices in the first class.Type: ApplicationFiled: October 11, 2011Publication date: April 11, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventor: Rui Chu Chang
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Publication number: 20130077974Abstract: In accordance with embodiments of the present disclosure, a method for identifying a target signal in an optical transport network frame structure may be provided. The method may include determining an Access Identifier (AID) for the target signal. The method may also include determining at least one attribute for the target signal. The at least one attribute may define at least one of an Optical Transport Network (OTN) multiplexing structure associated with the target signal and one or more attributes associated with one or a higher order or an intermediate higher order optical data unit entity for a supporting entity of a lower order optical data unit associated with the target signal. The method may further include identifying the target signal based on the AID and the at least one attribute.Type: ApplicationFiled: September 23, 2011Publication date: March 28, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Catherine Haiyan Yuan, David Solomon, Vikas Mittal, Biaodong Cai
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Publication number: 20130077962Abstract: A method may include receiving a stream of datagrams, the datagrams having a first bit length. The method may also include selecting a block of bits from consecutively-received datagrams, the block having a second bit length greater than the first bit length. The method may additionally include determining whether a particular data field is present at a particular bit position within the block. The method may further include outputting the block as a valid block in response to determining that the particular data field is present at the particular bit position. The method may additionally include, in response to determining that the particular data field is not present at the particular bit position: discarding a received datagram from the stream of datagrams; and repeating the receiving, selecting, determining, and discarding steps until a determination is made that the particular data field is present at the particular bit position.Type: ApplicationFiled: September 23, 2011Publication date: March 28, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Sheng Wu, Michael P. Bottiglieri
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Publication number: 20130070645Abstract: Methods and systems for improved address table flushing in distributed switching systems may be provided. In accordance with embodiments of the disclosure, a switch may include a plurality of line cards and a processor. Each line card may including a table of addresses. The processor may be configured to, in response to receipt of a plurality of simultaneous requests, each request a request to flush addresses associated with a particular flooding domain present on the switch, perform flushing of addresses based on an aggregate number of address entries for each particular flooding domain associated with the requests.Type: ApplicationFiled: September 19, 2011Publication date: March 21, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Bijendra Singh, Melvin Tan, Andrew Mao, Ashok K. Naik
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Publication number: 20130051243Abstract: In accordance with embodiments of the present disclosure, a method may include designating one of at least one maintenance point associated with a physical port of a line card as a primary maintenance point, the primary maintenance point comprising either a UP-Maintenance Entity Group End Point (UP-MEP) or one Maintenance Entity Group Intermediate Point (MIP). The method may also include configuring the line card such that the line card stores source addresses of Service Operation, Administration, and Management (SOAM) frames communicated by the primary maintenance point. The method may further include configuring the line card such that the line card does not store source addresses of Service Operation, Administration, and Management frames communicated by maintenance points associated with the physical port other than the primary maintenance point.Type: ApplicationFiled: August 24, 2011Publication date: February 28, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Kumaravel Senthivel, Calvin Wan
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Publication number: 20130028072Abstract: In accordance with embodiments of the present disclosure, a method and system may include receiving a plurality of packets comprising flood traffic of a bridged VLAN domain at an ingress line card port. The system and method may further include splitting the packets into multiple internal streams and forwarding the packets associated with the internal streams to a switch fabric. The system and method may further include forwarding each packet associated with a particular internal stream to one or more egress line cards associated with the internal stream. The system and method may further include mapping each internal stream to a single egress port of the egress line card, the single egress port comprising one of a plurality of egress ports associated with a LAG. The system and method may further include recovery from a port failure.Type: ApplicationFiled: July 27, 2011Publication date: January 31, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventor: Venkata Ramana Kiran Addanki
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Publication number: 20130022349Abstract: A method may include: (i) provisioning a first network-side interface of a first plug-in unit and a second network-side interface of a second plug-in unit as members of a network-side protection group, the first plug-in unit and the second plug-in unit integral to an adaptation layer network element; (ii) provisioning a first client-side interface of the first plug-in unit and a second client-side interface of the second plug-in unit as members of a client-side protection group; (iii) designating one of the first and second network-side interface as an active network-side interface of the network-side protection group; and (iv) designating one of the first second client-side interface as an active client-side interface of the client-side protection group, such that traffic ingressing on the active network-side interface may egress on the active client-side interface and traffic ingressing on the active client-side interface may egress on the active network-side interface.Type: ApplicationFiled: July 19, 2011Publication date: January 24, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Muhammad Sakhi Sarwar, Zigmunds Andis Putnins, Jaya Sarup, Zanjun Lu, Nitin Gogate, Michael Charles Green
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Publication number: 20130003528Abstract: In one embodiment, a method for telecommunications includes determining the operational state of a first network switch, determining the operational state of a second network switch, determining the existence of an actionable condition, accessing information on the first switch, and changing the operational state of the first switch. The second network switch is coupled to the first network switch by a protected path. Determining the actionable condition and changing the operational state use references to the operational state of the first network switch, the operational state of the second network switch, and the actionable condition.Type: ApplicationFiled: July 1, 2011Publication date: January 3, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Guoliang Wu, Ladan S. Pickering, Chenjiang Hu, Si Long Ho, David Traylor, Rajnath Singh
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Publication number: 20130003539Abstract: A method for configuring admission control of service instances in a network element may include: (i) reading a pre-determined maximum service-idle utilization of a processor approximately equal to maximum utilization of the processor in the absence of services executing on the processor; (ii) reading, for each particular service instance of a desired configuration of service instances, a pre-determined maximum utilization of the processor associated with the particular service instance; (iii) calculating an aggregate maximum utilization for the desired configuration, based on the pre-determined maximum service-idle utilization and the pre-determined maximum utilizations for each of the particular service instances; (iv) determining whether the aggregate maximum utilization is greater than a threshold maximum utilization for the processor; (v) allowing or denying the desired configuration based on the determination.Type: ApplicationFiled: July 1, 2011Publication date: January 3, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Muhammad Sakhi Sarwar, Zigmunds Andis Putnins, Jaya Sarup, Zanjun Lu
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Publication number: 20130003535Abstract: A method may include provisioning: a first flow from a client-side port to a network-side port of the plug-in unit; a second flow from the network-side port to the client-side port; a third flow from the network-side port to a mate link configured to interface with a fourth flow from the mate link to a second client-side port of the second plug-in unit; a fifth flow from the mate link to the network-side port configured to interface with a sixth flow from the second client-side port to the mate link; a seventh flow from the client-side port to the mate link configured to interface with an eighth flow from the mate link to a second network-side port of the second plug-in unit; and a ninth flow from the mate link to the client-side port configured to interface with a tenth flow from the second network-side port to the mate link.Type: ApplicationFiled: June 29, 2011Publication date: January 3, 2013Applicant: FUJITSU NETWORK COMMUNICATIONS, INC.Inventors: Muhammad Sakhi Sarwar, Zigmunds Andis Putnins, Jaya Sarup, Zanjun Lu