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| Number | Title | Issue Date |
| 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 |
| 7245587 | Method to associate input and output interfaces with packets read from a mirror port The network monitoring system includes a monitor device coupling to a network switch through a mirror port interface of the network switch. The network switch supports a number of regular port interfaces connected to different network components and the mirror port ... | 07/17/2007 |
| 7245593 | Bus station with routing for survivable networks A bus station or a communication system is described, where the bus stations receive communications containing transmission information from which the position of the transmitting bus station in a sequence of bus stations can. A time slot for the bus station in whic... | 07/17/2007 |
| 7245583 | System and method for providing lifeline telecommunication service to line-powered customer premises equipment A system for providing lifeline telecommunication service includes a telecommunication interface, a data packet service module, an analog signal service module, a power generator, and a switch. The telecommunication interface receives telecommunication information f... | 07/17/2007 |
| 7242944 | Method and system for dynamically re-homing a base transceiver station The method and system provides for receiving at a local base transceiver station a wireless signal and for routing that signal from the local base transceiver station to a remote base station controller. In exemplary embodiments, control logic stored in local compon... | 07/10/2007 |
| 7239636 | Multiple virtual channels for use in network devices A method for establishing a virtual channel between network devices is disclosed. In the case of a local network device establishing a virtual channel with a remote network device, a virtual channel request message is sent from the local network device to the remote... | 07/03/2007 |
| 7239687 | Telecommunications When delivering a broadband service, such as xDSL, without inband POTS, it is necessary to separate the analogue POTS signal and the xDSL signal from each other at both the CO (Central Office) and the CP (Customer's Premises). This can be achieved by using an active... | 07/03/2007 |
| 7239611 | Controlling admission of data streams onto a network based on end-to-end measurements Appropriate determinations in a series of tests, which transition from more passive tests to more active tests, control the admission of data streams onto a network data path. More passive tests can include promiscuous mode and packet-pair tests. When the results of... | 07/03/2007 |
| 7239994 | System and method for simulating network connection characteristics A system and method for simulating network connection characteristics by alteration of a network packet. In general, the method of the invention includes providing a driver that is capable of accessing all outgoing and incoming network packets and altering a network... | 07/03/2007 |
| 7237138 | Systems and methods for diagnosing faults in computer networks A network management system (10) includes a fault diagnosis system (12) connectable to a communications network (20). The fault diagnosis system includes a fault object factory, a path determination module, and a fault diagnosis engine. The faul... | 06/26/2007 |
| 7233576 | Method and apparatus for transferring data from an ATM connection table to memory for use by an application program A system, method and computer program product are provided for copying data from an asynchronous transfer mode (ATM) connection table. In use, an ATM connection table on an ATM network is monitored. During such monitoring, it is determined whether entries of the ATM... | 06/19/2007 |
| 7230912 | Sampling to a next hop Samples from an addressed data forwarding devices, such as a router, are forwarded to a specified next hop address and/or out a specified next hop interface. However, the sampling and/or next hop forwarding is suppressed if the specified next hop address is unstable... | 06/12/2007 |
| 7230926 | Isolation technique for networks Various embodiments and techniques are described to isolate a malfunction or faulty node in a network and to perform an action to address the malfunction. ... | 06/12/2007 |
| 7231503 | Reconfiguring logical settings in a storage system A storage system having multiple I/O interface ports is configured to detect a failed communication condition at a port. The storage system is configured to then attempt communication using a port configuration of another port that also exhibits a failed communicati... | 06/12/2007 |
| 7227846 | Data transmission/ reception system, connection restoring method and information transmission/ reception apparatus At each node of the data transmission/reception system of the present invention on a bus of an IEEE 1394, the following operations are sequentially performed: necessary initialization at the time of bus resetting; and GUID acquisition, restoration of Broadcast-out c... | 06/05/2007 |
| 7227837 | Fault tolerant virtual tandem switch A system and method for reducing and surviving failures in a voice trunking over ATM (VTOA) environment includes an ATM network having a plurality of interconnected ATM switches. The VTOA system also includes a CS-IWF complex having a plurality of interconnected CS-... | 06/05/2007 |
| 7225383 | System and method for enhancing communication between devices in a computer system An apparatus and method for resending a request in a computer system using a delay value is provided. In response to receiving a request, a target device in a computer system may detect that it is temporarily unable to process the request. The target device can send... | 05/29/2007 |
| 7225243 | Device discovery methods and systems implementing the same A method for target device discovery on a network is disclosed. The method includes multicasting a signal from a master initiator over the network. A unicast is received from a new target recently connected to the network where the new target is passive when no mult... | 05/29/2007 |
| 7221187 | Programmable microcontroller architecture (mixed analog/digital) A microcontroller with a mixed analog/digital architecture including multiple digital programmable blocks and multiple analog programmable blocks in a communication array having a programmable interconnect structure. The single chip design is implemented by integrat... | 05/22/2007 |
| 7221646 | Optimized path establishment method and network management system using the method A method used for establishing an optimized path between two endpoints in a transmission network including subnetworks is provided. In the method, two endpoints and route selection elements are specified, a first route search is performed to search for route candida... | 05/22/2007 |
| 7221651 | Radio station and data packet transmitting/receiving method A radio station and a data packet transmitting/receiving method for carrying out transmitting/receiving operations of data by radio. An identification packet generating section generates an identification packet having a data format in which a broadcast address is c... | 05/22/2007 |
| 7218852 | System and method for optical light path discovery A system and method for discovering lightpath information in an optical network is disclosed. A selected node is requested to provide lightpath information. The node, in turn, requests the other node of the optical network to provide channel attribute data. The node... | 05/15/2007 |
| 7219146 | Network system, network operation method, agent module, terminal device, and information recording medium and program therefor In a network system S, which includes an agent server LS that is located between the Internet IN and a terminal T and that relays a connection request from the terminal T to the Internet IN, the agent server LS requests the establishment of a connection between the ... | 05/15/2007 |
| 7219047 | Simulation with convergence-detection skip-ahead A sub-system is provided to a discrete event simulator (DES) to expedite simulation execution by first detecting a non-quiescent steady-state condition in the simulated system, and when the steady-state condition is detected, the simulator determines a state, and su... | 05/15/2007 |
| 7216175 | System and method for determining subscriber information A system for determining subscriber information includes an access server coupled to a number of subscribers using a communication network, a memory coupled to the access server, and a processor coupled to the memory. The access server receives a communication from ... | 05/08/2007 |
| 7215644 | Inter-domain constraint-based shortest path first technique for supporting hierarchical routing in interconnected multi-domain optical transport networks Method and system for implementing an inter-domain constraint-based shortest path first (“IrD-CSPF”) technique for supporting hierarchical routing in interconnected multi-domain OTNs are described. In one embodiment, the invention is a method for calculating a n... | 05/08/2007 |
| 7212496 | Remote test unit A remote test unit (RTU) and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The RTU can emulate a central Digital Subscriber Line Modem (DSLM-C) for testing customer premises equipment containing a remote Digi... | 05/01/2007 |
| 7212534 | Flow based congestion control A method for selectively controlling the flow of data through a network device is discussed. The network device has a plurality of ports, with each port of the plurality of ports having a plurality of priority queues. Congestion at one priority queue of the pluralit... | 05/01/2007 |
| 7212832 | Communication system switching method, and terminal device using this method A W-LAN communication unit, a personal handyphone communication unit and an EV-DO communication unit include communication functions corresponding to their communication systems. A W-LAN quality measurement unit detects a value corresponding to RSSI, which is the re... | 05/01/2007 |
| 7209447 | Method and apparatus for measuring packet connection quality of service Telephone conversations carried over an internet protocol network or other asynchronous network can be monitored for quality and rerouted if the error rate of data transmission through the network exceeds some predetermined threshold value. One or more counters in a... | 04/24/2007 |
| 7206822 | Active stream format for holding multiple media streams An active stream format is defined and adopted for a logical structure that encapsulates multiple data streams. The data streams may be of different media. The data of the data streams is partitioned into packets that are suitable for transmission over a transport m... | 04/17/2007 |
| 7207012 | System and method for mapping deployment status of high bandwidth metropolitan area networks The present invention provides a system and method for maintaining and displaying information regarding high bandwidth telecommunication cables in metropolitan areas. The present invention allows a user to select a metropolitan area for display. The user may thereaf... | 04/17/2007 |
| 7203174 | Auto detection of SGMII and GBIC modes An Ethernet communication system device that switches between SGMII and GBIC modes of operation, without software intervention. For example, a physical layer device (“PHY”) for an Ethernet communication system that switches between SGMII and GBIC modes of operat... | 04/10/2007 |
| 7203184 | Data transmitter, data receiver, and data transmitting/receiving method Received packets are preserved in a receiving buffer 102; a playback decision section 103 decides whether the preserved packets are in time for the playback time or not; the playback orders and the preservation addresses of the preserved packets which ... | 04/10/2007 |
| 7200118 | Identifying faulty network components during a network exploration A network exploration is performed to initialize one or more network elements of the network. If during the network exploration a failure is encountered, a systematic and deterministic approach is used to accurately and particularly identify the faulty network compo... | 04/03/2007 |
| 7200104 | Method for restoring a virtual path in an optical network using 1+1 protection A method for restoring a virtual path, provisioned between a source and a target node, in a zoned mesh optical network is described. The method, in one embodiment, allocates a primary and a secondary physical path to the virtual path. The two physical paths are netw... | 04/03/2007 |
| 7197009 | Delay variation based routing in communication systems A communication system determines a delay variation between at least a first link and a second link. The communication system routes user communications over the first link if the delay variation is within a maximum threshold. The communication system routes the use... | 03/27/2007 |
| 7197548 | Method and apparatus for verifying connectivity among nodes in a communications network For each node, elapsed periodic time intervals are provided and counted since the transmission of a link integrity indication frame, a frame which can be received by all other nodes on the network and which contains a source identifier. Frames are received from a se... | 03/27/2007 |
| 7197008 | End-to-end notification of local protection using OAM protocol An end-to-end monitoring mechanism whereby edge nodes are notified that a particular path flows through a local protection tunnel along the way. The notification mechanism utilizes OAM packets which include a link protection indication that are transmitted on the Et... | 03/27/2007 |
| 7193422 | Patch panel system A patch panel system including a patch panel having a first outlet including a first conductive tab and a device having a second outlet including a second conductive tab. A patch cord has a first plug having a first screen for contacting the first tab and a second p... | 03/20/2007 |
