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| Number | Title | Issue Date |
| 7170852 | Mesh with projection channel access (MPCA) A method for a communications network with a protect channel transmitting protect channel data and working channel transmitting working channel data includes transmitting the working channel data via the protect channel upon a disruption in the working channel, and ... | 01/30/2007 |
| 7170851 | Systems and methods for automatic topology provisioning for SONET networks Systems and methods for automatic provisioning of topology for SONET networks are disclosed. The method for topology provisioning generally includes mapping the network topology based on network connection information, verifying that the network elements complete a ... | 01/30/2007 |
| 7167483 | System and method for managing subrate services in an optical network A system and method of managing subrate paths in an optical network. An example embodiment is a network administration application or component. The application receives a description of a desired service for an optical network through a graphical interface. The app... | 01/23/2007 |
| 7167445 | Virtual line switched ring (VLSR) connection state distribution scheme Systems and methods consistent with this invention allow for each node within one or more rings to obtain connection and topology information from other nodes within these rings. In such a system, each node is able to maintain connection table and topology tables fo... | 01/23/2007 |
| 7167444 | Family ring protection technique A method for structuring SONET rings in a network is disclosed, along with a method for redirecting traffic among SONET rings when a fault causing traffic outage on a single SONET ring is detected. First, SONET rings are structured into “families” sharing common... | 01/23/2007 |
| 7162160 | System and method for protecting eye safety during operation of a fiber optic transceiver A single-chip integrated circuit, sometimes called a controller, controls operation of a transceiver having a laser transmitter and a photodiode receiver. The controller includes memory for storing information related to the transceiver, and analog to digital conver... | 01/09/2007 |
| 7161959 | Method and system for efficiently passing the silence or unused status of a DSO channel through a DsO switch matrix and a data switch A method and system for improving the passage of silent or unused status of Ds0 channel to a data switch with a Ds0 switching capacity. The method allows the Ds0 channel source to be the only equipment that must engage a digital signal processor to remove silent and... | 01/09/2007 |
| 7161898 | Common protection architecture for optical network A communication network is arranged in a ring configuration of network elements (12) coupled by working spans (16) associated protection spans (18), with multiple rings sharing network elements (12a and 12b). A shared... | 01/09/2007 |
| 7162544 | Message transfer method and apparatus The number of nodes that can be identified is increased without redefining switching request and switching status fields in existing K1/K2 bytes. Eight bits are assigned to a node ID field, and source node ID is stored in the node ID field when transmi... | 01/09/2007 |
| 7158057 | Circuitry and methods for high speed data encoding An unpartitioned high-speed 8B/10B encoder and corresponding methods use only one edge or level of the clock signal per clock cycle to encode a set of 8B to a corresponding set of 10B data, and thus is not limited to a 50% clock duty cycle. The encoder includes an u... | 01/02/2007 |
| 7158478 | Method and apparatus for signalling in a shared protection ring architecture A communication network using a ring structure incorporates shared protection channels (22ab, 22bc, 22bd) to reduce costs in implementing protection spans. The shared protection network elements (12a, 12... | 01/02/2007 |
| 7154897 | Gateway digital loop carrier device A gateway digital loop carrier device accommodates an integrated access device accommodating as a subscriber at least one of a telephone, a modem and ISDN and implementing a TR-008 interface, executes an interface conversion between TR-008 and TR/GR-303, and connect... | 12/26/2006 |
| 7154876 | Exploratory polling for periodic traffic sources An apparatus and method for polling stations that transmit periodic traffic streams are disclosed. A station transmits a polling request that specifies the temporal period of the station's traffic stream, and a coordinator, after receiving the polling request, repea... | 12/26/2006 |
| 7149920 | Deterministic error recovery protocol Disclosed are an error recovery method and system for use with a communication system having first and second nodes, each of said nodes having a receiver and a sender, the sender of the first node being connected to the receiver of the second node by a first cable, ... | 12/12/2006 |
| 7149430 | Optoelectronic transceiver having dual access to onboard diagnostics The optoelectronic transceiver includes first and second controller ICs. Each controller IC includes logic, a memory, an interface, and at least one input port. Each memory is configured to store digital diagnostic data and has a unique serial device address to allo... | 12/12/2006 |
| 7145882 | Multiplexed automatic protection switching channels An apparatus and method that extend the automatic protection switching protocol to address at least 256 network nodes. By using overhead bytes as extended APS node IDs, large single ring SONET/SDH systems can be avoided. This means APS messages that force every node... | 12/05/2006 |
| 7143167 | Method and system for managing high-availability-aware components in a networked computer system The present invention describes a method and system for managing high-availability-aware components in a networked computer system. In particular, the method includes registering components and dynamically allocating roles and assignments to one or more of the regis... | 11/28/2006 |
| 7143161 | Tandem connection monitoring parallel processing In a synchronous hierarchic network having multi-level tandem connection monitoring, all of the fields containing tandem connection monitoring information associated with trail terminations at a subject network element are processed in parallel at the subject networ... | 11/28/2006 |
| 7142504 | Fault tolerant network traffic management A system and apparatus for transmitting transit data through a network with first and a second rings coupling two or more nodes. In one aspect, when the first ring is intact and the second ring has a fault between two nodes, transit data may be wrapped from a second... | 11/28/2006 |
| 7139475 | Ring type fiber optic protection An optical receiver is provided with inputs for receiving two fiber optic lines. The two fiber optic lines carry redundant data. An optical interface passes the respective signals therein to a comparison unit. The comparison unit compares the signals and determines ... | 11/21/2006 |
| 7139239 | Self-healing control network for building automation systems In building automation architectures, components may be associated through physical communications paths and at a different level through building automation applications. Building automation applications implement control processes for a building function. Due to c... | 11/21/2006 |
| 7133800 | Sensor web a Sensor Web formed of a number of different sensor pods. Each of the sensor pods include a clock which is synchronized with a master clock so that all of the sensor pods in the Web have a synchronized clock. The synchronization is carried out by first using a coars... | 11/07/2006 |
| 7133401 | Video optical multiplexer An optical multiplexer is provided that operates in a synchronous optical network (SONET). The multiplexer includes a plurality of inputs and a processor operationally coupled to the inputs. The multiplexer also includes a plurality of optical outputs coupled to the... | 11/07/2006 |
| 7133359 | Fast restoration mechanism and method of determining minimum restoration capacity in a transmission networks In order to restore a network after a failure, it is important to have sufficient spare capacity available. To ensure restorability, a Hamiltonian mesh, being a closed sequence of links traversing each network node exactly once, is determined and half of its capacit... | 11/07/2006 |
| 7133358 | Failure control unit A transmission unit and a failure recovery method with failure recover functions, which use limited network resources efficiently. A label table manager manages a label table which associates incoming labels related to incoming transmission data with outgoing labels... | 11/07/2006 |
| 7130970 | Dynamic storage device pooling in a computer system A method for dynamically allocating control of a storage device, the method comprising receiving an access request from a first computer requesting access to a storage device; directing, based upon the access request, a first storage controller computer to assume an... | 10/31/2006 |
| 7130538 | Optical switch and networking method An optical node capable of automatically detecting its interconnectivity is disclosed. The node includes a light switch, a light source, light detector, a control circuit having a unique identification. The node sends its identification via each of its ports and als... | 10/31/2006 |
| 7130263 | Heterogeneous connections on a bi-directional line switched ring In one embodiment, a network element is to be coupled to a first and second span of a number of spans that interconnect a set of network elements to form a ring network. In addition, each of the spans has two sub-spans on which traffic travels in opposite directions... | 10/31/2006 |
| 7129823 | Communications setting method and communications setting system for power line communications system A communications setting method for a communications network system for performing data communications among a plurality of devices through power line has a house code notification including a house code to be uniquely set for the communications network syste... | 10/31/2006 |
| 7126910 | Load balancing technique for a resilient packet ring A technique for load balancing in resilient packet ring (“RPR”) networks, including wavelength division multiplex RPR (“WDMRPR”) networks is described. In one embodiment, the present technique comprises implementing on every node a QoS/BB monitor, which is c... | 10/24/2006 |
| 7123585 | Cross-bar switch with bandwidth allocation Each sink port in a cross-bar switch provides for allocating bandwidth among data packets. Packets are assigned priority levels, and the cross-bar switch regulates bandwidth allocation for each priority level. A sink port records traffic volume for packet data of ea... | 10/17/2006 |
| 7123582 | Data transmission system, and node equipment and network management equipment used in the same Pieces of node equipment are each caused to store a management table which shows whether any resource in the system is inhibited from being switched by APS or permitted to be switched by APS. Each of the pieces of node equipment comprises not only an APS control sec... | 10/17/2006 |
| 7115919 | Storage system for content distribution A processing system comprises a primary storage system and a plurality of secondary storage systems. The primary storage system is managed by a contents manager that keeps a file system used to make file level I/O accesses to a controller that translates the file ac... | 10/03/2006 |
| 7114009 | Encapsulating Fibre Channel signals for transmission over non-Fibre Channel networks A method for communicating between a first Fibre Channel (FC) enabled device and a second FC enabled device, where the communication occurs across a fabric that operates in accordance with a first protocol different from a FC protocol of the first and second FC enab... | 09/26/2006 |
| 7113699 | Fault forwarding in an optical network A system and method for forwarding fault information in an optical network is disclosed. Responsive to a fault being detected at a node, the fault information is forwarded to the destination node in the form of a loss-of-signal condition by turning off laser transmi... | 09/26/2006 |
| 7110364 | Optical link adjacency discovery protocol and an optical network therefor An optical link adjacency discovery protocol is provided. The protocol includes a simple format that includes an identifier field of a local node and facility and an identifier field of an echo node and facility. An announce message, including a source field having ... | 09/19/2006 |
| 7110356 | Pre-provisioning a light path setup A system and method of reserving node resources along a desired path through a communications network that can be used to reserve resources across a fault such as an unconnected node interface or a disconnected link. The resource reservation technique is performed o... | 09/19/2006 |
| 7110355 | Automatic side selection in double-ring topologies Connecting a new node to a double ring network or establishing a new network having a double ring network is greatly simplified by automatic mapping of logical interfaces to physical interfaces to conform to a mapping or polarity observed by other nodes in the netwo... | 09/19/2006 |
| 7103050 | Method and means for determining the used bandwidth on a connection The invention relates to a method for determining the used bandwidth (CCR) on a connection (18) on which information-carrying units are transported. The duration (ET) of an arrival period, during which a predetermined number (M) of the cells arrives at a cert... | 09/05/2006 |
| 7103805 | Bus monitor unit A central node for a data bus system includes a bus monitor unit with receiver means for registering signals on the data bus, and evaluation means which detect incorrect communication on the data bus and at least temporarily block communication by the user that caus... | 09/05/2006 |
