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| Number | Title | Issue Date |
| 7302704 | Excising compromised routers from an ad-hoc network A method of operating a network (120) is provided in a communications system for communications among a plurality of routers in the network. The network receives verifiable information identifying at least one compromised router (D). The method includes a ste... | 11/27/2007 |
| 7301895 | Virtual path restoration scheme using fast dynamic mesh restoration in an optical network A method for restoring a virtual path, provisioned between a source and a target node, in a mesh zoned optical network is described. The method, in one embodiment, broadcasts or floods restore path requests in the network to expedite the identification of an alterna... | 11/27/2007 |
| 7296183 | Selectable data field consistency checking A system consistency management module that performs consistency checking on behalf of an instance. The module identifies data fields of state information corresponding to the instance that are to be subject to consistency checking. The instance may identify this da... | 11/13/2007 |
| 7295909 | Method for the detection of an impact A method for detecting a side collision, in which either temperature or pressure sensors are provided for detecting an adiabatic increase in pressure or temperature. The signals of these sensors are filtered with a low pass filter and then, as a function of a signal... | 11/13/2007 |
| 7295938 | Clock jitter calculation device, clock jitter calculation method, and clock jitter calculation program In a voltage drop analysis step S101, the process calculates a temporal variation of a power source voltage supplied to each cell along a transmission path of a clock signal. In a delay variation rate ratio calculation step S102, the process calculates... | 11/13/2007 |
| 7296162 | Time validation system A system for time validation comprises a terminal (1) with means (7,7′) for tuning in to a number of different carrier frequencies (a-e), an authorisation device (6), e.g. a smart card, capable of communicating with the terminal (1) and... | 11/13/2007 |
| 7295521 | Directional flooding method in wireless sensor network The present invention relates to a directional flooding method in a wireless sensor network. Transfer of a packet between respective sensor nodes and a sink node in a wireless sensor network is made with the directivity. To this end, when the packet is transmitted f... | 11/13/2007 |
| 7292537 | Measurement architecture to obtain per-hop one-way packet loss and delay in multi-class service networks An architecture for measurement of per-hop, one-way delay includes a input observation circuit (24) at the input interface of a node (12) and a output observation circuit (26) at the output interface (16) of a node (12). The input ... | 11/06/2007 |
| 7292546 | Bandwidth reduction within packet switched networks by not sending idle timeslots The present invention describes a method in telecommunication networks where time division multiplexing traffic is transported over packet switched networks comprising one or a number of transmitting parties where the transmitting party will not send idle timeslot d... | 11/06/2007 |
| 7293076 | Method and system for automatically numbering shelves in a multi-shelf network element The present invention provides a system and method of evaluating a shelf connected to a port of a control complex in a network element via a communications link, the shelf having shelf configuration information, and the port having a port identifier. In an embodimen... | 11/06/2007 |
| 7292540 | Network monitoring and controlling apparatus A network monitoring and controlling apparatus for monitoring and controlling a transmission network formed by a plurality of transmission apparatus includes: a path information storing unit for storing path information; a quality information periodic collection uni... | 11/06/2007 |
| 7292545 | Wireless LAN system To provide a wireless LAN system, a sleep mode is set for reducing consumed power and, when an arrival of the own address side is present, wake-up is caused to reliably receive the arrival. Specifically, a plurality of hosts 20 such as PC interconnected with ... | 11/06/2007 |
| 7289609 | Method and device for broadcasting messages A method is provide for using a communication device which comprises a plurality of ports adapted to receive a plurality of communication sessions. The method comprises the steps of identifying subscribers having at least a first common characteristic, retrieving re... | 10/30/2007 |
| 7289450 | Flood signaling architecture and process for provisioning communication paths A method for establishing a communications path between a source node and destination node. The method includes defining a first group of network elements (NEs) suitable for use in the communications path, contemporaneously determining available resources within eac... | 10/30/2007 |
| 7289454 | Non-invasive estimation of round trip time a packet-oriented acknowledge-based transmission system A method of non-invasive estimation of round trip time (RTT) between a sender and receiver in a packet oriented acknowledgment based transmission system uses a probe to monitor signals transmitted between the sender and receiver at any point in the transmission syst... | 10/30/2007 |
| 7289430 | Equipment monitoring system line swap fast recovery method An equipment monitoring system line swap fast recovery method by installing a link detection mechanism in an Ethernet switch of an equipment monitoring system in an Ethernet between equipments at respective terminals of the Ethernet and a monitor equipment for enabl... | 10/30/2007 |
| 7287112 | Dynamic reconfiguration interrupt system and method The present invention system and method enables dynamic reconfiguration of an electronic device with appropriate interrupts in a convenient and efficient manner. A plurality of internal peripherals, an interconnecting component and the external coupling ports are pr... | 10/23/2007 |
| 7286481 | Wireless network adapted to transmit channel side information and method thereof Briefly, in accordance with one embodiment of the invention, a wireless network may include transmitters that may transmit information over a channel. the transmitter may also transmit channel side information over the channel. Further, the transmitters may adjust w... | 10/23/2007 |
| 7283741 | Optical reroutable redundancy scheme A method and apparatus for an optical reroutable redundancy scheme. According to one embodiment of the invention, a wavelength division multiplexing optical network includes a number of nodes each having an optical cross connect and each having stored therein a data... | 10/16/2007 |
| 7284148 | Method and system for self-healing in routers A method and system for self-healing of routers within a distributed computer network. In response to a detected communication error at a local router over a primary communication path to a distant router, an alternate path is established. Thereafter, a diagnostic p... | 10/16/2007 |
| 7283484 | Network segmentation method A method includes obtaining first information indicative of instability of a data communication network. The method also includes isolating a first portion of a network from a second portion of the network responsive to the obtained first information. After a predet... | 10/16/2007 |
| 7283555 | Method and apparatus for determining a polling interval in a network management system A method and apparatus for determining a time interval for periodically polling a device on a network 1 is described. The method determines the most restrictive link on the path to the network device, the level of restrictiveness of a link being dependent on ... | 10/16/2007 |
| 7283481 | Auto detection of copper and fiber mode Methods and systems for operating a physical layer device (“PHY”) in an Ethernet network include methods and systems for detecting active link partners and for selecting a mode of operation based on detected active link partners. The PHY monitors fiber link medi... | 10/16/2007 |
| 7283547 | Switch fabrics logical synchronization utilizing propagation lockdown A switch includes a port card for receiving packets from and sending packets to a network. The switch includes a fabric connected to the port card for switching the packets. The fabric has memory controllers which perform logical functions and in which portions of t... | 10/16/2007 |
| 7280486 | Detection of forwarding problems for external prefixes Methods and apparatus for enabling a provider to perform a tracing procedure to determine the existence forwarding problems within its network are disclosed. According to one aspect of the present invention, a method for detecting a forwarding problem within an auto... | 10/09/2007 |
| 7281170 | Help desk systems and methods for use with communications networks A network management system includes a fault diagnosis system, a topology mapper, an impact analyzer and a help desk system. The a help desk system includes a user interaction module, and a fault diagnosis interaction module. The user interaction module is construct... | 10/09/2007 |
| 7277700 | System and method for emulating a telephony driver A system and method for emulating a telephone driver of a mobile device to assist in the development and testing of mobile telephony applications is described. An emulated telephony driver maintains internal states of a wireless network and characteristics of the mo... | 10/02/2007 |
| 7274655 | Method and system for rehoming a digital subscriber line access Multiplexer A method and system are provided for rehoming a digital subscriber line access multiplexer between a first data switch and a second data switch or ports on a single data switch. An extension permanent virtual circuit is established between the first data switch and ... | 09/25/2007 |
| 7272674 | System and method for storage device active path coordination among hosts Systems, methods, apparatus and software can make use of persistent reservation commands to establish the port of a shared device that is to be used as an active port by one or more host computer systems coupled to the shared device. Information about one or more pa... | 09/18/2007 |
| 7272114 | Physical layer and physical layer diagnostic system with reversed loopback test A physical layer and a physical layer diagnostic system allow the physical layer of a network device to be tested without requiring the physical layer to be connected to a medium access controller. The physical layer includes a medium-side interface. A plurality of ... | 09/18/2007 |
| 7272146 | MPLS-VPN service network An MPLS-VPN (MultiProtocol Label Switching-Virtual Private Network) service network of the present invention includes an interface identifying device. The Interface identifying device includes a virtual router belonging to a preselected VPN and an MPLS label operati... | 09/18/2007 |
| 7269147 | Relaying broadcast packet in a mobile Ad-hoc network including flushing buffer if broadcast count number exceed buffer size Processing broadcast data in a mobile Ad-hoc network includes: determining if all of the broadcast packets have been received using a Latest Broadcast Count Number (NBC) stored in a neighbor table within a buffer of a pertinent node and Broadcast Count Number (BC) c... | 09/11/2007 |
| 7269157 | System and method to assure network service levels with intelligent routing A method and system for maintaining a traffic service level for data communicated by a computer network having a source. The computer network is connected to at least one of many networks, where each of the many networks includes a number of paths for transporting t... | 09/11/2007 |
| 7266078 | Line backup method and system A control PVC is set up on a line connecting between exchange units, and periodic communication is performed between the exchange units using the control PVC. The periodic communication is monitored at each exchange unit for detection of a line failure and, at each ... | 09/04/2007 |
| 7262974 | Techniques for alleviating the need for DC blocking capacitors in high-speed differential signal pairs A circuit board has a first component interface configured to connect to a first circuit board component, a second component interface configured to connect to a second circuit board component, a differential signal pair electrically connecting the first component i... | 08/28/2007 |
| 7260066 | Apparatus for link failure detection on high availability Ethernet backplane A method for actively detecting link failures on a high availability backplane architecture. The backplane system includes redundant node boards operatively communicating with redundant switch fabric boards. Uplink ports of the node boards are logically grouped into... | 08/21/2007 |
| 7260748 | Physical layer loop back method and apparatus The network device includes a transceiver, a pattern generation unit and a pattern recognition unit. The transceiver connects to a communications medium. The pattern generation unit connects to the transceiver. The pattern generation unit is configured to generate a... | 08/21/2007 |
| 7260060 | Call admission control A method and system of managing calls over a data network includes admitting a call if a throughput requirement is met. After a call request, the call request defining a throughput requirement, is received for establishing a call, a network resource responds with a ... | 08/21/2007 |
| 7257087 | System and method to calculate round trip delay for real time protocol packet streams An apparatus and method calculate a round-trip delay (RTD) between first and second endpoints within a network, where an intermediate point is selected between the first and second endpoints within the network. A network analyzer determines a first data transmission... | 08/14/2007 |
| 7248587 | Error recovery of variable-length packets without sequence numbers or special symbols used for synchronizing transmit retry-buffer pointer Variable-length packets transmitted over a serial link do not have packet-start fields or unique symbols to mark the beginning of each packet. Instead, a length field indicates the packet's length, allowing the end of the packet to be located. Packets also do not ha... | 07/24/2007 |
