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7924701 Data transmitting and receiving method and broadcasting receiver  
A data transmitting and receiving method and a broadcasting receiver are disclosed. A CABLECARD transmits a new flow request message for requesting a connection of a data transmitting and receiving...
7924703 System and method for an EMBS design to optimize spectrum efficiency, link adaptation and EMBS traffic security  
A wireless communication network capable of providing Enhanced Multi-Broadcast Service (EMBS) to a plurality of subscriber stations. At least one base station in the network transmits a downlink...
7924702 Method for reconfiguring a communication network  
A method for reconfiguring a packet-switched communication network using a network protocol for installing a logic topology of the network formed as a spanning tree is disclosed. The method...
7924704 Memory optimization packet loss concealment in a voice over packet network  
A method to reduce memory requirements for a packet loss concealment algorithm in the event of packet loss in a receiver of pulse code modulated voice signals. A voice playout unit in the receiver...
7924835 Method and device for providing multicast services to multiple customers  
A method of multicast transmission in a communication network by using IGMP protocol, to a plurality of IGMP-equipped hosts serving end customers of the network, the method comprises:—using IGMP p...
7924852 Method and network for transferring data and signals  
In a method and network for transferring data and signals between terminal equipment via one or more switching stations, the data and digitized signals are combined in cells, with each cell having...
7924700 Private network link verification procedure in free space optical communication network  
A system and method for verifying the integrity of a communication link in a wireless optical communication network. The system and method include monitoring the communication link on at least two...
7920560 Method for detecting topology of computer systems  
One embodiment is a method that transmits a packet having a bit field with a Time-to-live (TTL) value from a requesting node to a plurality of receiving nodes. The TTL value is decreased at each of...
7920463 Method and network control unit for deactivating a network component  
The invention relates to a method and to a network control unit for deactivating a network component for example, one or several connections or an entire network node, the method being used to...
7920513 Reestablishing communication by a mobile node upon recovery from an abrupt shut down  
When a mobile node suffers an abrupt shut down while operating in a foreign network and recovers in its home network, the present invention enables the mobile node to reestablish communication...
7916626 Method and system for fault-tolerant quality of service  
Certain embodiments of the present invention provide for a system and method for fault-tolerant QoS data communication including differentiating one or more message data into a primary storage,...
7916627 Coordinated fault protection system  
A power distribution protection system and method uses communications to coordinate operation of fault protection devices. Communications may be prioritized wherein messages of a lower priority are...
7911939 Fault tolerant symmetric multi-computing system  
A system enabled for fault-tolerant symmetric multi-computing using a group of nodes is described hereon. A symmetrical group of nodes networked using a reliable, ordered, and atomic group-to-group...
7911937 Communication network architecture with diverse-distributed trunking and controlled protection schemes  
A communication network architecture comprises an access tier including access packet switches coupled to users, a backbone tier including hub packet switches coupled to one another, and a transit...
7912075 Mechanisms and algorithms for arbitrating between and synchronizing state of duplicated media processing components  
The present invention is directed, in various embodiments, to a hardware supported duplication token for arbitrating active and standby module states, a weighted state of health exchange for...
7911938 System and method for preventing loops in the presence of control plane failures  
Various systems and methods for preventing loops in the presence of control plane failures are disclosed. For example, one method involves sending a special data packet in response to detection of...
7907516 Node setting apparatus, network system, node setting method, and computer product  
A plurality of nodes are connected to one another so as to form a ring network. A pseudo master node blocks relay of user data on one side, and transmits in the ring network a health packet that...
7907515 Network interface switching in multi-interface apparatus  
An apparatus capable of performing, without the apparatus being isolated from a network, automatic switching to a previous network interface if there is an error in setting set values for a...
7907514 MGCP fallback mechanism enhancement  
A mechanism provides for communication of “keep-alive” messages from clients to servers in a packet telephony network environment. The servers may be call agents and the clients may be gateways or ...
7907517 Routing protocols with predicted outage notification  
A method, system and non-transitory computer-readable medium for the efficient routing of data packets across a plurality of routers when a link is unavailable which includes connecting a plurality...
7903579 Self-optimization and self-healing of voice quality problems utilizing service oriented architecture  
A method and system for automatically resolving a voice transmission problem in real time in a communication system. Service oriented architecture (SOA)-based reporter services report voice...
7903540 Method and device for synchronization in wireless networks  
A method and device are provided for synchronizing data transmission of multicasting/broadcasting services (MBS) by a plurality of Base Stations. The method disclosed includes providing...
7903541 Ethernet switch with configurable alarms  
According to one embodiment, an Ethernet switch includes a plurality of ports operable to receive and transmit Ethernet traffic. The Ethernet switch also includes system monitoring software...
7903539 Electronic control unit  
An electronic control unit includes an input interface having multiplexer circuits, each of which circuits is supplied with input signals supplied from an outside of the electronic control unit,...
7903564 Method and apparatus for increasing survivability in IP networks  
A method and apparatus for increasing the capability of a network topology model having a plurality of nodes connected by existing links to maintain service continuity in the presence of faults....
7903542 Path changeover method and device  
Path changeover method and device are provide in which a communication interruption time caused by occurrence of a transmission failure is shortened. On a frame receiving side, address information...
7899027 Automatic route configuration in hierarchical wireless mesh networks  
Methods, apparatuses and systems directed to routing configuration in a hierarchical wireless mesh network. In one implementation, the present invention uses neighbor messages to allow routing...
7898938 Transmitting apparatus and transmitting method  
A transmitting apparatus obtains cross-connect information on an input side and an output side, reserves the information as a cross-connect for management shift, adds object information formed of...
7898937 Voting to establish a new network master device after a network failover  
Embodiments of the invention can resolve conflicts between candidate master network devices such as may be encountered in a failover condition. In a common type of failover protocol, two or more...
7898940 System and method to mitigate physical cable damage  
Method, system and computer-readable medium for handling a dig ticket to mitigate physical cable damage are disclosed. In accordance with the method, a network alarm indicating a logical circuit is...
7898939 Scalable and robust mechanism for remote IP device monitoring with changing IP address assignment  
A method is provided for monitoring devices with changing IP addresses. SNMP trap is received from a device at a first IP address to notify that a connection is up, and a SNMP poll is transmitted...
7894335 Redundant routing capabilities for a network node cluster  
Graceful/hitless restart features from a routing/signaling protocol may be utilized along with synchronization between cluster members in order to provide routing capabilities in a clustering...
7894333 Method and apparatus for use in carrier recovery in a communications system  
A receiver includes a digital phase locked loop (PLL) for performing carrier recovery. The digital PLL further includes a phase error estimator driven by hard decisions and an integrator, which...
7894509 Method and system for functional redundancy based quality of service  
Certain embodiments of the present invention provide for a system and method for preserving bandwidth in data networks. The method includes determining whether to perform functional redundancy...
7894091 Communication apparatus and control method  
An apparatus is capable of executing a facsimile communication using an Error Correction Mode (ECM) function based on a facsimile procedure with a communication partner connected via an Internet...
7889636 System and method for implementing a mid-call policy in a RSVP environment  
A communication system includes a call agent that coordinates and supervises communications between endpoints. The call agent allocates a QoS agent for each endpoint involved in a call. The QoS...
7889654 Loss tolerant transmission control protocol  
Provided are apparatuses and methods for transmitting or receiving data packets in a data block in a communication network with a transport protocol. In one example, a loss tolerant TCP protocol is...
7889637 Redundancy in voice and data communications system  
Apparatus is used in communicating in a data and voice communication system. The apparatus includes a line card and a crosspoint switch in communication with the line card. The apparatus also...
7890618 Method and system for provisioning and maintaining a circuit in a data network  
A method and system are provided for provisioning a circuit in a data network without manual intervention. A network management module receives an order for provisioning the circuit and then, based...
7885262 Method and an apparatus for resource admission control process  
A method for resource admission control process, an Access-Resource and Admission Control Function entity and a Service-based Policy Decision Function entity, wherein the method includes: sending...
7885179 Method and apparatus for constructing a repair path around a non-available component in a data communications network  
A method of constructing a repair path around a non-available component in a data communications network is described. The data communications network has, as components, nodes and links...
7881183 Recovery from control plane failures in the LDP signalling protocol  
The invention provides a distributed back-up mechanism and a two-step method for facilitating fast control plane recovery in a switched network. In a preferred embodiment, a Label Information...
7881184 Reverse notification tree for data networks  
Recovery time upon the failure of a link or switching system in an asynchronous data network can be minimized if downstream data switches provide upstream messages indicating to upstream switching...
7882224 Method and system for automatic network connection establishment in case of network address renewal  
A method and system for maintaining a connection in a communication network is provided. One implementation involves activating a first network interface for obtaining a first network address for...
7881185 Switch failover for aggregated data communication links  
A network device includes a first plurality of ports and a first plurality of communication links. Each port of the first plurality of ports communicates with a corresponding communication link of...
7877654 Selectable JTAG or trace access with data store and output  
An addressable interface selectively enables JTAG TAP domain operations or Trace domain operations within an IC. After being enabled, the TAP receives TMS and TDI input from a single data pin....
7872964 File transmission terminal  
A file transmission technique that does not make retransmission control complex even in a case in which a transmission error occurs is provided. A communication terminal executes a transmission job...
7869348 Determining rerouting information for single-link failure recovery in an Internet protocol network  
For a survivable portion of a network, a backup port for a first router of the survivable network, to reach a destination node in the event of a single link failure, may be determined by (a)...
7869343 Field programmable gate array architectures and methods for supporting forward error correction  
A field-programmable gate array (“FPGA”) or programmable logic device (“PLD”) includes relatively general-purpose PLD core circuitry and relatively specialized high-speed serial interface (“HSSI”...
7869438 Pre-authentication across an 802.11 layer-3 IP network  
A method for pre-authentication in a wireless network is disclosed. The method begins by receiving, from a mobile client device, an Ethernet pre-authentication frame having an Ethernet address...