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| Application No. | Application Title | Issue Date |
| 20120127868 | Method and System for Joint Detection of Ethernet Part Segment Protection The present invention discloses a method for detection of Ethernet segment protection, and this method includes: configuring a detection point in two segment protection domains with a shared link; configuring a joint monitor group on the shared link of said two segment ... | 05/24/2012 |
| 20120106318 | METHOD FOR IMPLEMENTING DUAL-HOMING The invention discloses a method for implementing dual-homing, including: setting each one of any two core control equipment as a standby for each other, connecting a network entity belonging to one of the core control equipment with the two core control equipment throu... | 05/03/2012 |
| 20120106359 | HEALTH PROBING DETECTION AND ENHANCEMENT FOR TRAFFIC ENGINEERING LABEL SWITCHED PATHS A method performed by a network device may include establishing performance-based Bidirectional Forwarding Detection (BFD) sessions for each link of a primary traffic engineering Label Switched Path (TE-LSP) and establishing performance-based BFD sessions for each link ... | 05/03/2012 |
| 20120082038 | ENABLING COEXISTENCE BETWEEN FDD AND TDD WIRELESS NETWORKS Systems and methods for detecting and mitigating interference between from a wireless time division duplex (TDD) communications device and a wireless frequency division duplex (FDD) communications device includes processing quality-indicator reports received from the FD... | 04/05/2012 |
| 20120039184 | NETWORK SYSTEM, LAYER 2 SWITCH, AND METHOD OF DETECTING OCCURRENCE OF A FAULT IN A NETWORK A network system comprises a first communication device being set up with a first address; and a second communication device connected with the first communication device via a network and being set up with a second address, wherein the first communication device includ... | 02/16/2012 |
| 20120002555 | MOBILE STATION APPARATUS, BASE STATION APPARATUS, INTEGRATED CIRCUIT, AND METHOD OF DETECTING RANDOM ACCESS PROBLEMS A method of detecting random access problems in a mobile station apparatus which uses multiple component carriers to perform random access. To achieve this, the mobile station apparatus, which is in a mobile communication system comprised of a base station apparatus and... | 01/05/2012 |
| 20110317548 | METHOD OF AND DEVICE FOR RECOVERING FROM A ROOT BRIDGE FAILURE An active loop-free topology established by a Rapid Spanning Tree Algorithm and Protocol (RSTP) emanates from an original root bridge. Upon a bridge directly connected to the root bridge suspecting a failure in the root bridge, the bridge directly connected to the root ... | 12/29/2011 |
| 20110292813 | Faults Propagation and Protection for Connection Oriented Data Paths in Packet Networks A communications network comprising components configured to implement a method comprising analyzing a path between a first end point and a second end point, and identifying a partial fault along the path is disclosed. Also disclosed is a method for communicating inform... | 12/01/2011 |
| 20110255421 | INVESTIGATING QUALITY OF SERVICE DISRUPTIONS IN MULTICAST FORWARDING TREES Methods, computer-readable storage media and systems may be provided for investigating a Quality of Service (“QoS”) disruption among nodes of a computer network that form a multicast forwarding tree. A topology of the multicast forwarding tree may be identified. Per... | 10/20/2011 |
| 20110235528 | FAIR CONGESTION DETECTION FOR TRANSPORT NETWORK LAYER WCDMA COMMUNICATIONS Congestion is detected in a radio access transport network including one or more radio network controllers each coupled to one or more radio base stations. Multiple data packet flows are each associated with a mobile radio terminal communication, and each flow is contro... | 09/29/2011 |
| 20110228682 | COMMUNICATION NETWORK MANAGEMENT SYSTEM, METHOD AND PROGRAM, AND MANAGEMENT COMPUTER A communication network includes a plurality of nodes and a plurality of links connecting between the nodes. A management computer managing the communication network has a storage means, an entry control means and a monitoring means. A route information indicating a tra... | 09/22/2011 |
| 20110170405 | MULTI-PATH NETWORK The present invention provides a multi-path network for use in a bridge, switch, router, hub or the like, the multi-path network including a plurality of network ports; a plurality of network elements; and a plurality of network links interconnecting the network element... | 07/14/2011 |
| 20110069618 | Circuit-switched services over LTE A mobile radio communication system and method of initiating a circuit-switched service at a mobile station over a System Architecture Evolution (SAE) core network using packet-switched communications between the mobile station and the SAE core network is provided. The ... | 03/24/2011 |
| 20110026410 | System and Method for Comparing Packet Traces for Failed and Successful Communications The system and method get a packet trace for a failed communication and a packet trace for a successful communication. The two packet traces are generated with packets from a common protocol(s) shared by the two communications. The failed and successful communications h... | 02/03/2011 |
| 20110007634 | MULTIPLEXING APPARATUS AND CELL DISCARD METHOD 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... | 01/13/2011 |
| 20100322068 | DIRECT TUNNEL ERROR HANDLING An apparatus is disclosed which according to an embodiment is configured to store a direct tunnel context. The direct tunnel context comprises a field or flag indicating whether or not a direct tunnel is established between the apparatus and a radio network, and further... | 12/23/2010 |
| 20100315955 | AUTO VPN TROUBLESHOOTING The invention is directed to providing a method and system for automatically determining a root cause of a failure in a packet switching telecommunications network using IP/MPLS protocols and having Virtual Private Network (VPN) services such as VLL, VPLS, VPRN.... | 12/16/2010 |
| 20100265816 | MONITORING SWITCHING NETWORKS A system and method are described for detecting failures of switches in a switching network including a plurality of switches. The sensing circuit includes a plurality of detecting networks, the plurality of detecting networks being fewer than the plurality of switches,... | 10/21/2010 |
| 20100246410 | DETECTING AND MITIGATING DATA PLANE BRIDGING LOOPS Example systems and methods associated with detecting bridging loops are described. One example apparatus includes a preliminary detection logic to detect a bridging loop in a switched network based on examining MAC moves reported by a switch in the switched network. Th... | 09/30/2010 |
| 20100214932 | VPN intelligent route service control point trouble diagnostics Systems and methods are described that analyze Layer 3 network performance between a network and its Intelligent Route Service Control Point (IRSCP) architecture to identify problems without having to disrupt customer service.... | 08/26/2010 |
| 20100157815 | System and Method for Transport Independent Automated Voice Solutions A system and method provides transport independent automated voice solutions. The method comprises receiving an indication of a network issue of a network. The network issue relates to a malfunction of a voice service provided by the network. Sub-networks of the network... | 06/24/2010 |
| 20100149996 | System and method for fast detection of communication path failures A system and methods for reducing detection time of path failures in a communications network is disclosed. Computing devices are organized into at least three groups based on their connectivity. The computing devices are assigned three identification values based on th... | 06/17/2010 |
| 20100110903 | FAULT LOCATION The nodes (200, 201), etc in a hierarchical network are also capable of forming direct wireless connections between each other. Each node checks on a regular basis to determine whether its network connection is intact. If a node (211) discovers that its di... | 05/06/2010 |
| 20100074120 | Multiple Carrier Acknowledgment Signaling Acknowledgment signaling in a multiple carrier environment is enabled with a multiple carrier codebook having code words that jointly encode acknowledgment for at least two carriers. For an example embodiment, there is a method in a remote terminal for acknowledgment up... | 03/25/2010 |
| 20100046381 | METHOD AND APPARATUS FOR PROCESSING OF AN ALARM RELATED TO A FRAME RELAY ENCAPSULATION FAILURE A method and apparatus for providing automated processing of an alarm related to a frame relay encapsulation failure on a packet network, e.g., a Virtual Private Network (VPN), are disclosed. For example, the method receives an alarm or a ticket related to a network con... | 02/25/2010 |
| 20100034099 | ACCESS CIRCUIT TEST FOR TRANSFER ENGINEERING A test system for testing a pair of telecommunications access networks, e.g. as part of transfer engineering. The system comprises a test head for connection, via an access arrangement, to first and second access networks. In a first phase, the access arrangement is arr... | 02/11/2010 |
| 20090303886 | Method And System For Analyzing Gateways An analysis is performed to test whether a gateway is functioning properly. The gateway includes a plurality of ports. Routing information for the gateway is received. A plurality of concurrent calls is generated for the ports of the gateway. The concurrent calls are pu... | 12/10/2009 |
| 20090290499 | Backplane Interface Adapter with Error Control and Redundant Fabric A backplane interface adapter with error control and redundant fabric for a high-performance network switch. The error control may be provided by an administrative module that includes a level monitor, a stripe synchronization error detector, a flow controller, and a co... | 11/26/2009 |
| 20090268618 | Fault Isolation System and Method A fault isolation system and method. A hierarchical numbering system is applied to devices within a subscriber network. The number system comprises a continuously concatenated string that provides a relative location of each active device with a subscriber network. The ... | 10/29/2009 |
| 20090185495 | METHOD, SYSTEM OF FAULT DETECTION FOR PSEUDO WIRES AND SERVICE PROVIDER EDGE ROUTER THEREOF The present invention discloses a method, system of fault detection for pseudo wires (PW) and a provider edge router (PE) thereof. The method includes the following. A remote PE receives, from a local PE, a first bonding relationship between a PW and an LSP of which the... | 07/23/2009 |
| 20090175176 | MULTI-POINT AND ROOTED MULTI-POINT PROTECTION SWITCHING The present invention relates to techniques for allowing one or more edge nodes in a backbone network to quickly and efficiently switch traffic delivery from a first virtual network to a second virtual network in response to a failure occurring in association with the f... | 07/09/2009 |
| 20090161561 | Method and system for determining characters of channels The present invention relates to cis-1,2-substituted stilbene derivatives, or their pharmaceutically acceptable salts, glucosides or solvates, a pharmaceutical composition comprising the compound, and use of said compound for preparation of a drug for treatment and/or p... | 06/25/2009 |
| 20090080326 | RSVP-TE enhancement for MPLS-FRR bandwidth optimization RSVP-TE Enhancement for MPLS-FRR Bandwidth Optimization is a method of RSVP-TE protocol enhancement for optimizing network resources when FRR is protecting LSP traffic in a topology where the bypass LSP tunnel traverses the original previous hop(s) of the protected LSP.... | 03/26/2009 |
| 20090059803 | HIGH RESILIENCY NETWORK INTRASTRUCTURE A resilient interface architecture may include at least two interface switches and at least two interface routers. The at least two interface switches may provide connectivity between a subnetwork and a main network. If one of the switches fails, the connectivity otherw... | 03/05/2009 |
| 20090034422 | ATM Protection System A protection system for an ATM network (30) having a primary node (11,21) and a secondary node (12,13,14, 22) interconnected through an ATM transport capable network (30) of any topology. For each ATM (VPC/VCC) connection between the primary ... | 02/05/2009 |
| 20090034423 | Automated detection of TCP anomalies One embodiment relates to an automated method of detecting transmission control protocol (TCP) anomalies. A TCP connection is selected to be monitored. Packets communicated for the TCP connection are scanned in chronological order of packet communication times. A signat... | 02/05/2009 |
| 20090022059 | Optical Cross Connect Apparatus and Network An optical signal connection apparatus for connecting first and second optical signal transmission lines to first and second routers, respectively, is disclosed. The first and second routers are configured to handle both optical signals and electrical signals. The optic... | 01/22/2009 |
| 20090010171 | Scaling BFD sessions for neighbors using physical / sub-interface relationships In one embodiment, an apparatus includes a physical port and a plurality of logical sub-interfaces under the physical port. The physical port and the logical sub-interfaces are configured as a Bidirectional Forwarding Detection (BFD) neighbor group. The physical port be... | 01/08/2009 |
| 20090003223 | DISCOVERING CONFIGURED TUNNELS BETWEEN NODES ON A PATH IN A DATA COMMUNICATIONS NETWORK An apparatus and method are described for discovering a configured tunnel between nodes on a path in a data communications network. In an embodiment, an apparatus is arranged to remotely access at least one node on the path, identify whether a tunnel is configured on th... | 01/01/2009 |
| 20080285469 | COMPUTER REPLACING REDUNDANT COMMUNICATION ROUTES, AND PROGRAMS AND METHOD FOR THE SAME Computer including at least a first and a second interface coupled to a network. The first interface holds a first address, and the second interface holds the first address and a second address. The computer transmits a packet having the first address as a source addres... | 11/20/2008 |
