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| Number | Title | Issue Date |
| 8189486 | Method and system for providing holistic, iterative, rule-based traffic management An approach is provided for monitoring traffic over a network link that is used to provide one or more services to one or more customers. A determination is made regarding whether a failure mode of the network link has occurred by comparing the monitored traffic to ... | 05/29/2012 |
| 8189487 | Determination of application latency in a network node A method of operating a communication system to determine latent applications in a communication network comprises transferring a first packet comprising a first test code to a network node, receiving the first packet in the network node, and in response to the firs... | 05/29/2012 |
| 8179805 | Method and system for wireless communication by spatial reuse Wireless communication between a first transmitter and a first receiver for a new transmission is established on the same wireless data channel used for ongoing transmission between a second transmitter and a second receiver. This is achieved by determining if the s... | 05/15/2012 |
| 8179806 | Device, method, and program for estimating quality-degraded location of communication network, and communication network system Estimation is carried out with high accuracy based on flow quality information in a situation where, although a set of links that may have a flow passing through is known, which of such links the flow passed through cannot be identified, such as multi-paths routing,... | 05/15/2012 |
| 8174992 | Fault localisation in multiple spanning tree based architectures A method of localizing a fault in a network is disclosed. The network comprises nodes (SW1 . . . SW4) links, and edge-nodes (EN1 . . . EN4) arranged as a plurality of spanning trees (T1, T2,T3), the spanning trees bei... | 05/08/2012 |
| 8169920 | Management interface and tool for benchmarking optical network topologies A management tool facilitating benchmarking of optical network topologies. In one embodiment, a method includes receiving an identification of an optical network element, including network address information of the optical network element; receiving an identificati... | 05/01/2012 |
| 8169921 | Methods and apparatus to monitor border gateway protocol sessions Example methods and apparatus to monitor border gateway protocol sessions are disclosed. A disclosed example method includes detecting a failure of a first border gateway protocol (BGP) session and initiating a session-down timer in response to detecting the failure... | 05/01/2012 |
| 8165028 | Monitoring in communication system with wireless trunk A communication system having a wireless trunk for connecting multiple phone lines over wireless communication links to a cellular network comprises a central telephone switch, such as a private branch exchange or key system, connected through one or more trunk line... | 04/24/2012 |
| 8165030 | System and method for monitoring a network communication at multiple network layers A network monitor gets a (layer 7) media path bill of materials for a communication between two communication devices. The network monitor also gets a (layer 7) signaling path bill of materials. The media path bill of materials and the signaling path bill of materia... | 04/24/2012 |
| 8165029 | Method of parallel detection for ethernet protocol The invention, in part, provides technology (e.g., a method, an apparatus, software, etc.) according to the Ethernet communication protocol, a method of parallel detection, the method comprising: providing a local link partner device having a local terminal advertis... | 04/24/2012 |
| 8144602 | Network load tester with real-time detection and recording A load tester is configured to generate traffic streams for testing a network. The traffic streams can include one or more stream objects. Each stream object can be characterized by a unique identifier and can include a fixed number of frames. The frames can share t... | 03/27/2012 |
| 8144603 | Apparatuses and methods for detecting anomalous event in network IP state-vector manager determines state vector value by updating token numbers of IP state vector according to source and destination IP addresses of the received packet, and obtains state number of state vector value by counting state vector value. Port-number sta... | 03/27/2012 |
| 8134928 | Technique for identifying a failed network interface card within a team of network interface cards A method for identifying a failed network interface card in a system having two NICs configured as a team includes the steps of transmitting a first data packet from the first NIC to a third NIC, wherein the third NIC is not a member of the team, and transmitting a ... | 03/13/2012 |
| 8130658 | Packet switched data network (PSDN) having local area network (LAN) interface and overload control method thereof In a Packet Switched Data Network (PSDN) having a Local Area Network (LAN) interface, an auxiliary controller controls all protocols of the LAN interface through an interrupt routine and transmits a state-monitoring signal after processing the protocols. A main cont... | 03/06/2012 |
| 8130659 | RF transceiver system with adjustable transmission parameters and methods for use therewith A circuit includes a transceiver coupled to transmit an outbound signal in accordance with a plurality of transmit parameters to at least one remote station and receive an inbound signal from the at least one remote station. The transceiver detects a packet transmis... | 03/06/2012 |
| 8125913 | Testing method of an IC card including a ZigBee device A method for testing a ZigBee device included in an IC Card includes associating a predetermined Personal Area Network (PAN) Identifier to the ZigBee device, and providing a test device, for initializing a ZigBee network. The method may include connecting the ZigBee... | 02/28/2012 |
| 8116209 | Methods and apparatus for identifying errors and stranded resources in networks Techniques are disclosed for identifying one or more errors and/or one or more stranded resources in a connection-oriented or circuit-switched network. By way of example, a technique for identifying at least one of an error and a stranded resource in at least a port... | 02/14/2012 |
| 8116210 | System and program product to recover from node failure/recovery incidents in distributed systems in which notification does not occur Epoch numbers are maintained in a pair wise fashion at a plurality of communication endpoints to provide communication consistency and recovery from a range of failure conditions including total or partial node failure and subsequent recovery. Once an epoch state in... | 02/14/2012 |
| 8116211 | Test method and test device A test method according to the present invention includes: a first step of determining whether or not the mobile station detects the problem in a radio link state, when a radio quality is changed from a first state where the radio quality is equal to or more than a ... | 02/14/2012 |
| 8111625 | Method for detecting a message interface fault in a communication device In one aspect, a method for detecting the fault of a message interface in a communications device is provided, wherein the message interface comprises at least two layers which communicate with each other, a top layer accesses to the services of the lower layer and ... | 02/07/2012 |
| 8111626 | Method and apparatus for providing statistical event correlation in a network A method and apparatus for providing event correlation in a network are disclosed. For example, the method extracts a plurality of events of interest from a database, and creates one or more event time series from the plurality of events of interest, wherein each of... | 02/07/2012 |
| 8107381 | Method of performing ethernet gateway switch trouble diagnostics A service provider unit automatically diagnoses problems in an Ethernet network that are associated with layers 1, 2, and/or 3 and determines whether there is a problem associated with an Ethernet gateway switch EGS. Further diagnostics can be performed to determine... | 01/31/2012 |
| 8102779 | System and method of detecting and locating intermittent electrical faults in electrical systems Signals are transmitted from at least one transmitter that is positioned in an electrical network. The signals that have been transmitted are received by the at least one single receiver at a single receiver positioned within the electrical network. At the single re... | 01/24/2012 |
| 8094568 | Method and apparatus for enabling auto-ticketing for endpoint devices A method and system for transmitting data corresponding to at least one endpoint device problem in a packet communications network is described. Specifically, an endpoint device detects at least one problem that pertains to the endpoint device. The endpoint device t... | 01/10/2012 |
| 8094570 | Method of transmitting data supporting multiple access There is provided a method in which a second communication station located within a cell region provided by a first communication station transmits data. The method includes generating a hopping pattern between a plurality of orthogonal resources by arranging the pl... | 01/10/2012 |
| 8094569 | Failover and failback of communication between a router and a network switch A router is provided. The router includes a primary interface, a backup interface, a processor, and a memory. The primary interface and backup interface may be used to communicate with a network switch. The router may be configured to determine whether the primary i... | 01/10/2012 |
| 8089886 | Method and apparatus for detecting and reporting timeout events A method and apparatus for processing timeout events in a packet network are disclosed. For example, the method detects a timeout event by a first network element, wherein the timeout event is generated due to a lack of response from a second network element. The me... | 01/03/2012 |
| 8081574 | Monitor device and broadcast radio wave retransmission system A monitor device includes a packet communication device, a report data transmitting device, a communication status determination device, and a transmission error history storage device. The report data transmitting device transmits report data for reporting an error... | 12/20/2011 |
| 8072890 | System and method for testing a dynamic communication across a network A network monitor gets a bill of materials for a communication across a network where different communication paths may be established. A bill of materials is a list of hardware/software components that are used to establish and maintain the communication. A request... | 12/06/2011 |
| 8068432 | Priority-based network fault analysis A method and system for reducing fault analysis times in a network having a plurality of pollable objects. Poll responses are received from pollable objects, priorities are assigned to each received poll response in accordance with one or more of a received poll res... | 11/29/2011 |
| 8064352 | Method for implementing online maintenance in communication network A method of implementing online maintenance in communication network, includes: recording, in any communication device of the communication network, communication data going through the communication device itself when the communication device has detected online a ... | 11/22/2011 |
| 8064353 | Communication device, communication system, and communication fault detection method The communication device has a frame transfer unit that executes frame transfer via the first communication link and the second communication link, a link confirmation frame sending unit, and a return link confirmation frame monitoring unit. The link confirmation fr... | 11/22/2011 |
| 8064351 | Method for detecting and correcting data errors in an RF data link Methods for detecting and correcting data errors in an RF data link include identifying valid data frames and corrupted data frames by measuring a data corruption level for each transmitted data frame, comparing the measured data corruption level for each corrupted ... | 11/22/2011 |
| 8059549 | Method and apparatus for supporting network communications using point-to-point and point-to-multipoint protocols Methods and apparatuses are disclosed for interworking a first protocol, e.g., Provider Backbone Bridge Traffic Engineering (PBB-TE), that provides Ethernet carrier-class traffic engineering, with a second protocol, e.g., Virtual Private LAN Service, that emulates l... | 11/15/2011 |
| 8059548 | Automatic displaying of alarms in a communications network System and methods are provided for presenting to presentation components status information of a communications network having several network elements. One embodiment includes populating a first data structure with status information associated with a portion of n... | 11/15/2011 |
| 8059550 | Electronic apparatus and method for detecting loop in electronic apparatus To provide an electronic apparatus capable of easily detecting a terminal that forms a loop connection state with a simplified configuration. A control unit counts the number of broadcast packet supplied from a switching hub to a communication unit within a p... | 11/15/2011 |
| 8054753 | Method and apparatus for determining an influenced range of a fault occurence in a network In a network including a group of proxy servers for processing a signaling protocol for transferring signaling messages through a communication route connecting a pair of user terminals, an abnormal end of a communication session established between the pair of user... | 11/08/2011 |
| 8054752 | Synchronous data communication A data packet is provided that includes a synchronization field and an acknowledgement field indicative of an acknowledgement of receipt of a prior data packet. The data packet also includes a response field that includes information indicative of a system fault, a ... | 11/08/2011 |
| 8050181 | Sliding frame comparator in a network diagnostic device A network diagnostic component that is placed in-line between a first and second node. The diagnostic component is used to perform a comparison operation on any specified portion of a network data frame. For example, the first node may communicate with the second no... | 11/01/2011 |
| 8050182 | Network failure detection system, method, and storage medium A system includes, in order to detect a failure occurring on a transmission path through which service traffic is transmitted from a delivery server, a node that is on the transmission path and that monitors the service traffic, and a monitoring server that determin... | 11/01/2011 |
