Input Or Output Circuit, Per Se (i.e., Line Interface) Patents (Class 370/359)
  • Patent number: 8369868
    Abstract: An IP connection is released when a SUPL-based periodic triggered service starts, so as to prevent consumption of network resources. After releasing the IP connection, if a location is measured thereby to generate location information, only the fact that the location has been measured is notified to a requester, and the requester is allowed to receive the location information only when a secure transmission is ensured after the notification, thereby avoiding the location information from being exposed externally.
    Type: Grant
    Filed: January 30, 2008
    Date of Patent: February 5, 2013
    Assignee: LG Electronics Inc.
    Inventor: Jae-Hyuk Choi
  • Patent number: 8368555
    Abstract: A utility network interface device is provided for operation with a utility network. The utility network interface device includes a control unit configured to detect a tampering with a software component of a utility meter with which the utility network interface device is associated. The utility network interface device also includes a notification unit configured to output, external to the utility meter, a visual indication constituting notification of the tampering detected by the control unit. The control unit is configured to automatically control the notification unit to output the external notification of the tampering in response to the detection of the tampering. Also provided are a utility network including the utility network interface device, a method of operating a utility network interface device, and a computer-readable recording medium having a computer program recorded thereon for operating a utility network interface device.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: February 5, 2013
    Assignee: Silver Spring Networks, Inc.
    Inventors: Brad Gilbert, Raj Vaswani, Jana van Greunen
  • Patent number: 8369320
    Abstract: An ATM multiplexing apparatus of the present invention is the apparatus for selectively performing cell discard processing in the case of congestion on the basis of a use state of the same connection formed by cells from the side of an ATM switching unit and subscribers without installing UPC units, and the ATM multiplexing apparatus, which is connected to the ATM switching unit and each of plural subscribers through ATM communication lines and performs multiplexing processing to ATM cells sent from the plural subscribers, comprises: detection means 118 for detecting a level of a congestion state corresponding to the received ATM 157 from the subscribers; and discard means (111, 115 and 117) for selectively discarding the received ATM cells from the subscribers on the basis of a communication state determined by the received ATM cells 155 from the ATM switching unit and the received ATM cells from the subscribers and a level value of a warning signal 129 indicating the detected congestion state.
    Type: Grant
    Filed: September 23, 2010
    Date of Patent: February 5, 2013
    Assignee: Juniper Networks, Inc.
    Inventor: Hiroshi Ueno
  • Patent number: 8351449
    Abstract: A mobile communication device has both an (expensive) long-range wireless network interface and an intermittently available less expensive network interface. Requests are received to communicate data items to and from remote computing devices. Each data item is associated with a transmission deadline and an urgency rating. A transmission schedule is created by assigning data items to specific times for transmission over the long-range wireless network interface, based on their deadlines and urgency ratings. When the lower cost network interface is not available, data items are transmitted according to the transmission schedule. When the lower cost network interface is available, data items are transmitted over the lower cost network interface, based on their positions in the transmission schedule, until it is no longer available.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: January 8, 2013
    Assignee: Bee Networx Inc.
    Inventors: Michael Shmulevich, Srinivasan Keshav
  • Publication number: 20120327771
    Abstract: A switching node is disclosed for the routing of packetized data employing a multi-stage packet based routing fabric combined with a plurality of memory switches employing memory queues. The switching node allowing reduced throughput delays, dynamic provisioning of bandwidth and packet prioritization.
    Type: Application
    Filed: August 15, 2012
    Publication date: December 27, 2012
    Inventors: Trevor HALL, Sofia PAREDES, Sareh TAEBI
  • Publication number: 20120321302
    Abstract: An Ethernet switch which includes an input terminal and an output terminal for coupling the Ethernet switch to a communication network is provided. The switch further includes a power terminal for coupling the Ethernet switch to a power supply, and a control unit being adapted to control the path of signals within the Ethernet switch. In a first operation mode, the control unit is adapted for directing signals received via the input terminal to an internal input terminal of the Ethernet switch, for receiving signals from an internal output terminal and for outputting signals via the output terminal. In a second operation mode, the control unit is adapted for directing signals received via the input terminal to the output terminal. The control unit is adapted to switch from the first operation mode into the second operation mode in response to a predefined trigger event.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 20, 2012
    Inventors: Ulrich Vestergaard B. Hansen, Jannik Hoejgaard
  • Publication number: 20120320909
    Abstract: Techniques described herein provide for sending request messages. The request messages may be sent in order. The request messages may be sent over a designated communications channel.
    Type: Application
    Filed: June 16, 2011
    Publication date: December 20, 2012
    Inventors: Michael L. Ziegler, Bruce E. LaVigne, Jonathan E. Greenlaw
  • Patent number: 8325631
    Abstract: A system and method is provided to extend transmission range of a digital subscriber line (DSL). In one embodiment, a method includes receiving an input signal including a broadband data signal having a first signal strength and a telecommunication signal. The broadband data signal may be separated from the telecommunication signal. The broadband data corresponding to the broadband data signal may be regenerated, wherein the regenerated broadband data signal has a second signal strength which is greater than the first signal strength according to an embodiment of the invention. According to another aspect of the invention, the regenerated broadband data signal may be merged with the telecommunication signal into an output signal and the output signal may be transmitted over a subscriber line.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: December 4, 2012
    Assignee: Generonix, Inc.
    Inventors: John Michael Cotton, Robert Alan Macaluso, Perlis Joseph Trahan, Neil C. Olsen, Douglas R. Milliman
  • Patent number: 8320400
    Abstract: A system including a first module configured to receive first data at an adaptable rate over a first electrical interface. The system further includes a nibble replicator module configured to generate second data in response to the first data by selectively expanding each nibble of the first data into a byte of the second data. The system also includes a repeater module configured to generate third data in response to the second data by selectively outputting each block of the second data multiple times in the third data. The system further includes a delimiter injection module configured to generate output data on a plurality of lanes in response to the third data by outputting delimiter symbols on a predetermined one of the plurality of lanes. The system also includes a second module configured to transmit the output data at a predetermined cumulative rate over a second electrical interface.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: November 27, 2012
    Assignee: Marvell International Ltd.
    Inventor: William Lo
  • Publication number: 20120281693
    Abstract: The Fibre Channel standard was created by the American National Standard for Information Systems (ANSI) X3T11 task group to define a serial I/O channel for interconnecting a number of heterogeneous peripheral devices to computer systems as well as interconnecting the computer systems themselves through optical fiber and copper media at gigabit speeds (i.e., one billion bits per second). Multiple protocols such as SCSI (Small Computer Serial Interface), IP (Internet Protocol), HIPPI, ATM (Asynchronous Transfer Mode) among others can concurrently utilize the same media when mapped over Fibre Channel. A Fibre Channel Fabric is an entity which transmits Fibre Channel frames between connected Node Ports. The Fibre Channel fabric routes the frames based on the destination address as well as other information embedded in the Fibre Channel frame header. Node Ports are attached to the Fibre Channel Fabric through links.
    Type: Application
    Filed: March 12, 2012
    Publication date: November 8, 2012
    Inventor: STUART B. BERMAN
  • Patent number: 8305232
    Abstract: A utility network interface device is provided for operation with a utility network. The utility network interface device includes a detector configured to produce a state signal upon occurrence of a prescribed state that interferes with the ability of a utility meter, with which the utility network interface device is associated, to measure consumption of a commodity and/or report consumption of the commodity. The utility network interface device also includes a control unit configured to detect a tampering with the utility meter in accordance with the state signal produced by the detector. The control unit automatically controls a notification unit to output, external to the utility meter, notification of the tampering detected by the control unit, in response to the detection of the tampering.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: November 6, 2012
    Assignee: Silver Spring Networks, Inc.
    Inventors: Brad Gilbert, Raj Vaswani, Jana van Greunen
  • Patent number: 8295282
    Abstract: The invention includes a method and apparatus for synchronizing line card forwarding databases. A method includes receiving a data packet at a line card, generating a control packet for each of at least one other line card to enable an address update operation thereat, and propagating the at least one control packet toward the at least one other line card. The control packet, or packets, is generated in response to a determination to perform an address update operation for the received data packet. The address update process may be implemented as an ingress address update process or an egress address update process. This address update process performed in conjunction with an address aging process.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: October 23, 2012
    Assignee: Alcatel Lucent
    Inventor: Ralph Schlenk
  • Publication number: 20120263176
    Abstract: Embodiments of a unified communication and control bus architecture for Ethernet and/or PoE systems are provided. Embodiments enable a unified communication and control bus architecture that significantly simplifies communication and control in Ethernet and/or PoE systems. Embodiments enable significant savings both in terms of cost and complexity as the number of communication and control buses is reduced down to one. Embodiments can be used in various Ethernet and/or PoE implementations, including, for example, single PCB-single PoE, single PCB-multiple PoE, chassis-based switch, and stackable-based switch configurations. Further, embodiments can be implemented using standard Ethernet as well as proprietary implementations.
    Type: Application
    Filed: June 29, 2012
    Publication date: October 18, 2012
    Applicant: Broadcom Corporation
    Inventor: Wael William DIAB
  • Publication number: 20120250679
    Abstract: The deployment and scaling of a network of electronic devices can be improved by utilizing one or more network transpose boxes. Each transpose box can include a number of connectors and a meshing useful for implementing a specific network topology. When connecting devices of different tiers in the network, each device need only be connected to at least one of the connectors on the transpose box. One or more of the deployed electronic devices (e.g., switches, transpose boxes) in the network can transmit data based on a backplane Ethernet standard, such as 10GBASE-KR, 10GBASE-KX4, or 40GBASE-KR4.
    Type: Application
    Filed: March 29, 2011
    Publication date: October 4, 2012
    Applicant: Amazon Technologies, Inc.
    Inventors: Alan M. Judge, Mark N. Kelly, Jagwinder Singh Brar, Michael David Marr, Daniel T. Cohn
  • Patent number: 8279762
    Abstract: In a redundant system where multiple network interfaces can be switched, an interface switching device includes: a transformer for transforming automatic switch information between a predetermined type used for a predetermined network interface and each of other types used for network interfaces other than the predetermined network interface; a switch controller for performing switch control for automatic switch information of the predetermined type; and a control interface for connecting a first network interface to the switch controller via the transformer when first automatic switch information received from the first network interface is not of the predetermined type.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: October 2, 2012
    Assignee: Nec Corporation
    Inventor: Hirokazu Ozaki
  • Patent number: 8259712
    Abstract: An apparatus that includes W interfaces to a circuit-switched network, where W is an integer number that equals the product of smaller integer numbers X and N. The apparatus also includes X discrete switching apparatus each having N ones of the W network interfaces, as well as a plurality of switching-expansion interconnects each interconnecting ones of the X switching apparatus, such that the W network interfaces are collectively interconnected in a non-blocking manner.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: September 4, 2012
    Assignee: Genband US LLC
    Inventor: Lewis E. Robinson, Jr.
  • Publication number: 20120218991
    Abstract: A method includes appending a preamble to a data packet and transmitting the preamble and data packet over a communication channel in the network. The preamble may be a Beacon, Admission, Broadcast, or High-Throughput Preamble. The Beacon Preamble includes the following symbols SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CEBeacon, CEBeacon. The Admission Preamble includes the following symbols SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, SS, LS1, LS1, LS1, LS1, LS1, LS1, LS1, LS1, CP0, CE, CE. The Broadcast Preamble includes the following symbols LS1, LS1, LS1, LS1, CP0, CE, CE. The high-throughput preamble includes the following symbols CP0, CE. The SS symbol includes 64 bits, the LS1, LS2, and CP0 symbols include 192 bits, the CE symbol includes 512 bits, and the CEBeacon symbol is a subset of CE.
    Type: Application
    Filed: May 8, 2012
    Publication date: August 30, 2012
    Applicant: ENTROPIC COMMUNICATIONS, INC.
    Inventor: Arndt MUELLER
  • Patent number: 8255597
    Abstract: An interface device, such as for a System-on-Chip (SoC) bus, transfers data from an input queue through an output to a target. The interface device includes a buffer network for buffering input data when the target is not available for receiving the data. A multiplexer switches between a first operating condition for directing to the target the data from the input queue, and a second operating condition for directing to the target the buffered data from the buffer network. A finite-state machine selectively switches the multiplexer between the first operating condition and the second operating condition based on an acknowledgement signal received from the target. This indicates the availability of the target for receiving the data.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: August 28, 2012
    Assignee: STMicroelectronics S.R.L.
    Inventors: Francesco Giotta, Salvatore Pisasale, Giuseppe Falconeri
  • Patent number: 8254261
    Abstract: A system including first and second virtualized execution environments and a hypervisor for sending packets between virtualized execution environments. The first virtualized execution environment includes a first VNIC associated with a first hardware address (HA), a first proxy VNIC associated with a second HA, and a virtual switch. A Vswitch table for the virtual switch includes entries associating the first HA with the first VNIC and the second HA with the first proxy VNIC. The second virtualized execution environment includes a second proxy VNIC associated with the first HA. The virtual switch receives a first packet associated with the second HA. The virtual switch sends the first packet to the first proxy VNIC when Vswitch table entry associates the second HA with the first proxy VNIC. The first VNIC proxy sends the first packet from the first virtualized execution environment to the second virtualized execution environment using the hypervisor.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: August 28, 2012
    Assignee: Oracle America, Inc.
    Inventors: Nicolas G. Droux, Sunay Tripathi
  • Patent number: 8234546
    Abstract: Methods are disclosed for improving communications on feedback transmission channels, in which there is a possibility of bit errors. The basic solutions to counter those errors are: proper design of the CSI vector quantizer indexing (i.e., the bit representation of centroid indices) in order to minimize impact of index errors, use of error detection techniques to expurgate the erroneous indices and use of other methods to recover correct indices.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: July 31, 2012
    Assignee: Wi-LAN, Inc.
    Inventors: Bartosz Mielczarek, Witold A. Krzymien
  • Patent number: 8223792
    Abstract: A low cost mechanism that may be used to extend Ethernet capability to low end devices provides sufficient capacity to support Ethernet communications using only a single twisted pair medium. Because only a single twisted pair is used, the overall cost, complexity and size associated with the integrating Ethernet functionality into an end device is reduced. A distributed power system delivers power to a Data Terminal Equipment (DTE) device over the single twisted pair medium. With such an arrangement, Ethernet capability and power may be simultaneously delivered to low end devices at a reduced cost.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: July 17, 2012
    Assignee: Rockstar Bidco, LP
    Inventors: Geoffrey O. Thompson, Robert Muir, Steven B. Carlson
  • Publication number: 20120170575
    Abstract: An apparatus includes a replication engine of a switch module of a multi-stage switch. The replication engine is configured to receive a first validation packet from an input port of the switch module. The replication engine is configured to determine multiple output ports of the switch module to which a data packet can be sent to reach a destination device associated with the first validation packet. The replication engine is configured to define multiple second validation packets based on a number of output ports from the multiple output ports such that each second validation packet from the multiple second validation packets is uniquely associated with an output port from the multiple output ports. The replication engine is configured to send the multiple second validation packets to an output module configured to forward each second validation packet from the multiple second validation packets to its associated output port.
    Type: Application
    Filed: December 29, 2010
    Publication date: July 5, 2012
    Applicant: Juniper Networks, Inc.
    Inventor: Ashwani Kumar Mehra
  • Patent number: 8214572
    Abstract: The router which relays a transfer request and a reply between master and slave components has request-control circuits provided therein. The request-control circuits judge the slave component to transfer a request from each master component to, and arbitrate the conflict between requests to one slave component. Further, for the router, a slave-component-allocation-control circuit which variably allocates the slave components to be connected to the request-control circuits to the request-control circuits is adopted. In case that a slave component in connection with one request-control circuit is subjected to no access, changing the allocation of the slave component in connection with the one request-control circuit makes possible to utilize the resource of the one request-control circuit.
    Type: Grant
    Filed: July 12, 2011
    Date of Patent: July 3, 2012
    Assignee: Renesas Electronics Corporation
    Inventor: Yoshitaka Tsujimoto
  • Publication number: 20120163375
    Abstract: A switching device in a network system for transferring data includes one or more source line cards, one or more destination line cards and a switching fabric coupled to the source line cards and the destination line cards to enable data communication between any source line card and destination line card. Each source line card includes a request generator to generate a request signal to be transmitted in order to obtain an authorization to transmit data. Each destination line card includes a grant generator to generate and send back a grant signal to the source line card in response to the request signal received at the destination line card to authorize the source line card to transmit a data cell to the destination line card.
    Type: Application
    Filed: March 9, 2012
    Publication date: June 28, 2012
    Applicant: JUNIPER NETWORKS, INC.
    Inventors: Pradeep S. SINDHU, Philippe G. LACROUTE, Matthew A. TUCKER, John D. WEISBLOOM, David B. WINTERS
  • Patent number: 8209497
    Abstract: A multi-port memory, comprising: a memory array made of a plurality of memory cells arranged at intersection points between a plurality of bit lines and a plurality of word lines, the memory array being divided into n (an integer of 2 or greater) memory banks; m (an integer of 2 or greater) input/output ports, each independently performing input and output of a command, an address, data to and from each of the memory banks; and a route switching circuit that sets signal for the command, address, and data between the memory banks and the input/output ports, the route switching circuit controlling a connection state of signal lines between the plurality of input/output ports and the plurality of memory banks.
    Type: Grant
    Filed: March 19, 2009
    Date of Patent: June 26, 2012
    Assignee: Elpida Memory, Inc.
    Inventor: Kazuhiko Kajigaya
  • Patent number: 8208486
    Abstract: An energy-aware home gateway based on a network protocol includes a network matching module for performing a physical network interface function on a home and an external network; a processor module for performing an operation and a control function of a system in a active state in which service traffic exists; a memory module used as a system memory of the processor module; and a service function module controlled by the processor module and performing a service function depending on a use state. The home gateway further includes a network protocol agent module for processing control traffic in an idle state in which no service traffic exists; and a power supply module for supplying power to the overall system in the normal active state and for supplying power to the network matching module, the memory module, and the network protocol agent module in the idle state.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: June 26, 2012
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Wan Ki Park, Chang-Sic Choi, Intark Han, Youngwoo Choi
  • Patent number: 8203954
    Abstract: A technique dynamically applies a link utilization based policy to traffic traversing links in a computer network. According to the novel technique, a link utilization threshold is assigned to one or more links. The link utilization threshold may be, for example, a maximum amount of traffic for an individual link, or a maximum difference between links (e.g., for load balanced traffic). The link utilization of the one or more links may be monitored, such as, e.g., by an optimized edge routing (OER) process. In the event that the link utilization surpasses the threshold, the link is considered to be out-of-policy (OOP), and traffic may be redirected to other available links accordingly in order to bring the link back in policy (“IN-POLICY”).
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: June 19, 2012
    Assignee: Cisco Technology, Inc.
    Inventors: Rahul G. Patel, Dana Blair
  • Patent number: 8194692
    Abstract: An apparatus with a dynamic interface protocol and a method for a dynamic interface protocol are provided. The apparatus is capable of consolidating multiple interface protocols to a single output terminal to reduce the number of output pins and the complexity and the cost of the apparatus. The apparatus is characterized by providing an output via the output terminal of the apparatus in accordance with a data protocol in a data mode, and providing the output via the output terminal in accordance with a video protocol in a video mode.
    Type: Grant
    Filed: November 21, 2005
    Date of Patent: June 5, 2012
    Assignee: VIA Technologies, Inc.
    Inventor: Sheng-Chi Tsao
  • Patent number: 8194664
    Abstract: An apparatus comprising three memory portions and logic for programming the memory portions is presented. The first memory portion comprises a plurality of first data structures, each which includes an IGP label and an adjacency identifier that identifies one of a plurality of outgoing interfaces in the network element. The second memory portion comprises a plurality of IGP load-halancing entries, each of which includes two or more reference values that point to two or more of the plurality of lirsi data structures. The third memory portion comprises a plurality of BGP load-balancing entries, each of which includes an index value and a pointer. The fourth memory portion comprises a plurality of second data structures, each of which includes a network address identifier and a unique value associated with two or more of the plurality of BGP load-balancing entries.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: June 5, 2012
    Assignee: Cisco Technology, Inc.
    Inventor: Pranav Dharwadkar
  • Patent number: 8189585
    Abstract: An apparatus for VPN fast convergence in MPLS networks is disclosed. The apparatus comprises a first memory portion, a second memory portion, and a first logic for programming the memory portions. The first memory portion comprises a plurality of first data structures, where each of the plurality of first data structures includes an IGP label and an adjacency identifier that identifies one of a plurality of outgoing interfaces associated with the apparatus, where each IGP label indicates a Label Switched Path (LSP) through a network. The second memory portion comprises a plurality of second data structures, where each of the plurality of second data structures includes a network address identifier, a VPN label associated with the network address identifier, and a pointer that indicates one of the plurality of first data structures in the first memory portion, where each VPN label identifies a VPN that is reachable over the network.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: May 29, 2012
    Assignee: Cisco Technology, Inc.
    Inventors: Pranav Dharwadkar, Ramanan Subramanian
  • Patent number: 8175085
    Abstract: A scaling device or striper improves the lane efficiency of switch fabric. The striper controls or adjusts transfer modes and payload sizes of a large variety of devices operating with different protocols. The striper interfaces between network devices and the switch fabric, and the resulting switching system is configurable by a single controller. A source device sends a data packet to its corresponding striper for transmission across the switch fabric to a destination device. The corresponding striper parses the packet to determine its type and payload length, and divides the packet into numerous smaller segments when the payload length exceeds a predetermined length. The segments may be stored in the striper to adapt to the available bandwidth of the switch. The segments are sent across the switch fabric and reassembled at a destination striper. The packet as reassembled is forwarded to the destination device.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: May 8, 2012
    Assignee: Fusion-io, Inc.
    Inventors: Kiron Malwankar, Daniel Talayco
  • Patent number: 8170030
    Abstract: A set of globally-reachable attachment registers is provided for objects in an internetwork of interconnected communications networks. “Objects” can be networks, hosts or terminals, or passive objects which themselves do not have a network interface. Each attachment register corresponds to an object in the internetwork. The attachment registers are not located with their respective object. Information is stored in the attachment registers that establishes one or more logical links between the attachment registers. The information is used to perform one or more network communication functions, and in particular to determine a locator by identifying a logical path, along the logical links between attachment registers, from a destination attachment register corresponding to the destination object. Other non-limiting example functions include location registration and update, name to global locator resolution, routing, multi-homing, dynamic ISP selection, and handover.
    Type: Grant
    Filed: September 3, 2007
    Date of Patent: May 1, 2012
    Assignee: Telefonaktiebolaget LM Ericsson
    Inventor: Anders E. Eriksson
  • Patent number: 8159974
    Abstract: One embodiment includes monitoring, for each communication node, at least one factor of interest and a plurality of potential influencing factors associated with the factor of interest. The factor of interest characterizes an operating condition of the communication node, and the plurality of potential influencing factors each have a potential influence on the operating condition. For each factor of interest for each communication node, a predictor coefficient for one or more of the potential influencing factors associated with the factor of interest is determined. The predictor coefficient indicates a predicted level of influence the potential influencing factor has on the factor of interest. For each communication node, interfaces are configured between the communication node and other communication nodes based on the determined predictor coefficients.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: April 17, 2012
    Assignee: Alcatel Lucent
    Inventor: Pantelis Monogioudis
  • Patent number: 8159958
    Abstract: The present invention relates generally to Krone block dongle. More particularly, the invention encompasses a method and an apparatus to monitor any media DSLAM port remotely off of a Krone block assignment.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: April 17, 2012
    Assignee: AT&T Intellectual Property II, L.P.
    Inventor: Rosario Martino Panzarella
  • Patent number: 8140640
    Abstract: An information management system within a client/server based computer system is disclosed. The information management system manages information as to the dynamic locations and continuous changes relating to services offered within the computer system. The information management system utilizes a service point map (SPM) that monitors such changes. The SPM tracks changes relating to services, sphere, location, port, and epoch value. The SPM may be hierarchical in nature. Parallel or duplicate services may also exist within the system.
    Type: Grant
    Filed: April 1, 2008
    Date of Patent: March 20, 2012
    Assignee: Alcatel Lucent
    Inventors: James J. Crow, Dennis L. Parker
  • Patent number: 8134925
    Abstract: Each terminal devices (1, 4) connected to one another via a LAN (11) includes: a main control portion (e.g. 31) performing operational control, a transmission LAN unit (34) performing transmission control regarding transmission and reception of disaster prevention information. The unit (34) includes: a transmitting and receiving circuit (36) connected to the portion (31); a transmission control portion (35) performing communication control; an arrival order determining and retransmitting circuit portion (37) connected to the portion (35) and to at least three of transmitting and receiving ports (38) which are capable of connecting to the LAN. Upon receiving an incoming signal of disaster prevention information from one of the portion (35) and the ports (38), the portion (37) outputs the received signal to the rest of them while shutting out for a predetermined period of time an incoming signal from the rest of the ports (38) that has sent the signal.
    Type: Grant
    Filed: January 11, 2007
    Date of Patent: March 13, 2012
    Assignee: Nohmi Bosai Ltd.
    Inventor: Yasuo Yamaguchi
  • Publication number: 20120057590
    Abstract: A relay system includes a first relay apparatus connected to a node through a first line and a second relay apparatus connected to the node through a second line. The first line and the second line belong to the same link aggregation group. The first relay apparatus includes a first control unit. The first control unit notifies, before relaying a received frame, the second relay apparatus of a source address included in the received frame in the absence of first relation information related to the source address in the first storage unit upon receiving the received frame via a port connected to the first line. The second relay apparatus includes a second control unit. The second control unit stores, in the second storage unit, second relation information regarding a relationship between the source address notified by the first relay apparatus and an output port connected to the second line.
    Type: Application
    Filed: August 15, 2011
    Publication date: March 8, 2012
    Applicant: Fujitsu Limited
    Inventor: Osamu SHIRAKI
  • Patent number: 8125985
    Abstract: In some embodiments, a system includes a first switch fabric device, a second switch fabric device, a first access switch operatively coupled to the first switch fabric device by a first cable, and a second access switch operatively coupled to the second switch fabric device by a second cable. The second access switch is operatively coupled to the first access switch by a third cable. The first access switch is configured to send data to the first switch fabric device via the first cable. The first access switch is configured to send data to the second switch fabric device via the third cable, the second access switch, and the second cable.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: February 28, 2012
    Assignee: Juniper Networks, Inc.
    Inventors: Gunes Aybay, Jean-Marc Frailong
  • Patent number: 8125933
    Abstract: A mobile wireless communications device may include an antenna, a wireless radio frequency (RF) receiver, a wireless RF transmitter, and a duplexer connecting the wireless RF receiver and the wireless RF transmitter to the antenna. More particularly, the wireless RF receiver may include a low noise amplifier (LNA) connected to the duplexer and having first and second differential outputs, a first receive signal chain for wireless communications signals having a first signal type connected to the first differential output of the LNA, and a second receive signal chain for wireless communications signals having a second signal type different than the first signal type connected to the second differential output of the LNA.
    Type: Grant
    Filed: February 27, 2009
    Date of Patent: February 28, 2012
    Assignee: Research In Motion Limited
    Inventor: Wen-Yen Chan
  • Patent number: 8102842
    Abstract: Switching between communication ports of a notebook is typically accomplished using an off-chip local area network (LAN) switch or an off-chip high speed analog multiplexer. This off-chip component is disadvantageous for several reasons, including: added cost of an additional component; increased overall power consumption because transmit amplitude loss; and reduced cable reach and link performance due to hybrid mismatch and signal distortions. To reduce cost and preserve electrical and networking performance, an integrated switch is provided to multiplex signals of a networking communication chip to multiple network paths.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: January 24, 2012
    Assignee: Broadcom Corporation
    Inventors: Thanh Tran, Henry Chou, Scott Denton, Andrew Hwang
  • Patent number: 8089959
    Abstract: A method for scheduling cell transmissions through a switch with rate and delay guarantees and with low jitter is proposed. The method applies to a classic input-buffered N×N crossbar switch without speedup. The time axis is divided into frames each containing F time-slots. An N×N traffic rate matrix specifies a quantized guaranteed traffic rate from each input port to each output port. The traffic rate matrix is transformed into a permutation with NF elements which is decomposed into F permutations of N elements using a recursive and fair decomposition method. Each permutation is used to configure the crossbar switch for one time-slot within a frame of size F time-slots, and all F permutations result in a Frame Schedule. In the frame schedule, the expected Inter-Departure Time (IDT) between cells in a flow equals the Ideal IDT and the delay jitter is bounded and small.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: January 3, 2012
    Inventor: Ted Henryk Szymanski
  • Publication number: 20110317691
    Abstract: A network switch transfers data, which are to be transferred between nodes, in a time-division multiplex manner after allocating the data to slots, which are created by dividing a unit of time into a plurality of sections. An input unit includes a selection unit that selects a buffer unit according to an input slot in order to transfer the data input from the input port to the buffer unit, an input slot correspondence management table that stores a correspondence relationship between the input slots and the buffer units, and input port management information used to control a communication bandwidth of the input port.
    Type: Application
    Filed: March 8, 2010
    Publication date: December 29, 2011
    Applicant: NEC CORPORATION
    Inventor: Nobuki Kajihara
  • Patent number: 8077706
    Abstract: A remote facility and method for operating the same includes a signal processing system including a primary multiplexer multiplexing IP signals to form a multiplexed signal, a primary modulator a primary transport processing system forming a transport stream signal from the multiplexed signal, a primary modulator modulating the transport stream signal to form a modulated signal, a backup multiplexer multiplexing IP signals to form the multiplexed signal, a backup modulator a primary transport processing system forming a transport stream signal from the multiplexed signal, a backup modulator modulating the transport stream signal to form a modulated signal.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 13, 2011
    Assignee: The DIRECTV Group, Inc.
    Inventors: Mitchell B. Wasden, Vishal Arya, Daniel M. Miner, Darren M. St. Laurent, David T. Boltz
  • Patent number: 8073002
    Abstract: An offload system, method, and computer program product are provided. Based on an identified data structure, it is determined whether a hardware network interface is operating in a first mode or a second mode. The hardware network interface is coupled between a network and a processor. If it is determined that the hardware network interface is operating in the first mode, the packets are processed utilizing the processor. If it is determined that the hardware network interface is operating in the second mode, the packets are processed utilizing the hardware network interface.
    Type: Grant
    Filed: October 10, 2006
    Date of Patent: December 6, 2011
    Assignee: NVIDIA Corporation
    Inventors: John Shigeto Minami, Michael Ward Johnson
  • Publication number: 20110268111
    Abstract: An embodiment may include circuitry to be comprised at least in part in a first host, and at least one process to be executed, at least in part, by the circuitry. The circuitry may comprise a first port and a second port. The at least one process may detect, at least in part, a first bandwidth condition of the first port, and may associate, at least in part, in response at least in part to the first bandwidth condition, the first port and the second port with a port team. The second port may have been, prior to being associated, at least in part, with the port team, in a relatively lower power state compared to a relatively higher power state. The second port may be in the relatively higher power state after the second port is associated, at least in part, with the port team.
    Type: Application
    Filed: April 30, 2010
    Publication date: November 3, 2011
    Inventors: Matthew A. Jared, Patrick Connor
  • Patent number: 8050257
    Abstract: A high capacity network comprises a plurality of edge nodes with asymmetrical connections to a plurality of switch planes, each switch plane comprising fully meshed fast-switching optical switch units. Upstream wavelength channels from each source edge node connect to different switch planes in a manner which ensures that upstream wavelength channels from any two edge nodes connect to a common switch unit in at most a predefined number, preferably one, of switch planes. Thus, switch units in different switch planes connect to upstream channels from orthogonal subsets of source edge nodes. In contrast, downstream wavelength channels from a switch unit in each switch plane connect to one set of sink edge nodes. In an alternate arrangement, the upstream and downstream asymmetry may be reversed.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: November 1, 2011
    Inventor: Maged E Beshai
  • Patent number: 8031704
    Abstract: Embodiments of the present invention provide systems, devices and methods for improving the efficient deployment and configuration of networking equipment within a network build-out. In certain embodiments of the invention, an iterative analysis of inter-node equipment placement and connectivity, and inter- and intra-node traffic flow is performed to identify a preferred deployment solution. This analysis of deployment optimization takes into account both configurations from a network node perspective as well as from a network system perspective. Deployment solutions are iteratively progressed and analyzed to determine a preferred solution based on both the cost of deployment and satisfaction of the network demands. In various embodiments of the invention, a baseline marker is generated from which the accuracy of the solution may be approximated that suggests to an engineer whether the deployment is approaching an optimal solution.
    Type: Grant
    Filed: October 22, 2007
    Date of Patent: October 4, 2011
    Assignee: Infinera Corporation
    Inventors: Steven Joseph Hand, Jayaram Hanumanthappa, Mohit Misra, Maneesh Jain, Rajasekar Venkatesan, Atul Saxena
  • Patent number: 8031705
    Abstract: A bus interface unit is provided for intermediate switching in a two-wire current loop, wherein the bus interface unit has a transformer for potential-free decoupling of an alternating current signal modulated with digital receive data and/or for coupling in of an alternating current signal to be modulated with digital send data. The alternating current signal is modulated onto a direct current signal of a two-wire current loop. The bus interface unit has a bidirectional modem unit connected on the secondary side to the transformer for output of the receive data on a data bus and for input of the send data from the data bus. The transformer has two primary windings, which are interconnected such that the magnetic fields generated by the two-wire loop current flowing through it cancel each other out. A lowpass and/or a highpass filter for the alternating current signal is connected upstream from the at least one primary winding.
    Type: Grant
    Filed: October 21, 2008
    Date of Patent: October 4, 2011
    Assignee: Siemens Aktienegesellschaft
    Inventor: Valentin Kort
  • Patent number: 8027283
    Abstract: Disclosed is a method and apparatus for increasing the waiting time of a User Equipment (UE) through an efficient processing of assigned slots. The method includes processing a first 10 ms half frame of the assigned slot initially when the assigned slot is processed, identifying a general page message located in the first half frame, and performing a transition operation into a sleep state, when the general page message corresponds to a null general page message having no paging information and no control information to be updated.
    Type: Grant
    Filed: February 19, 2007
    Date of Patent: September 27, 2011
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Jae-Hong Park, Byeong-Yun Lee, Jae-Won Kim
  • Patent number: 8023507
    Abstract: A data and voice communication system includes communication between a line card and an accelerator card. Voice, data, and control traffic is received from the line card and is transmitted to the accelerator card via a physical link having separate voice, data, and control logical channels. The separate voice, data, and control logical channels are represented by labeled data packets.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: September 20, 2011
    Assignee: Starent Networks LLC
    Inventors: Parvez Khan, Hamed Eshraghian