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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8184528 | Network backhaul systems and methods An exemplary system includes a mobile telephone switching office (“MTSO”) subsystem having a first aggregation router and a second aggregation router, and a mobile telephone cell site router communicatively connected to the MTSO subsystem via a network backhaul ... | 05/22/2012 |
| 8154993 | Method for providing alternative paths as a rapid reaction to the failure of a link between two routing domains The present disclosure relates to a method for providing substitute routes in rapid response to the failure of a link between two routing domains in a packet-oriented network. After the failure of a link has been identified, substitute routes are provided for routes... | 04/10/2012 |
| 8134919 | Method and device for protecting ethernet tree services A method and device for protecting Ethernet Tree (E-Tree) services are disclosed. An ID is configured for each branch of the E-Tree. The method includes: determining a branch that needs to perform switching; notifying the ID of the branch that needs to perform switc... | 03/13/2012 |
| 8121026 | Systems and methods for routing data in a communications network A network device includes a group of interfaces. Each interface is associated with at least one other interface of the group of interfaces and a group of network addresses. Each interface is configured to monitor at least one of the group of network addresses with w... | 02/21/2012 |
| 8111616 | Constructing a repair path in the event of failure of an inter-routing domain system link An apparatus and method as described for constructing a repair path for use in the event of failure of an inter-routing domain connection between respective components in first and second routing domains of a data communications network. The apparatus is arranged to... | 02/07/2012 |
| 8102761 | Path control device, path control method, and path control program A path control device included in a terminal device (300), which includes a path information generating unit (302) which generates path information indicating paths from a terminal (300) to a terminal (400), a path malfunction predicting ... | 01/24/2012 |
| 8098576 | Method and apparatus for providing a multicast service with multiple types of protection and recovery A multicast service method and apparatus for providing multicast service with various types of protections and recoveries. The method includes splitting a multicast service into a plurality of unidirectional point-to-point services from a source node to each sink no... | 01/17/2012 |
| 8089866 | Spanning tree flooding backbone systems and methods for link state routed networks The present disclosure provides systems and methods for a spanning tree topology used as a “flooding backbone” for control messages on a link state routed network. Specifically, control messages are only broadcast on the flooding backbone thereby significantly r... | 01/03/2012 |
| 8085656 | Apparatus and method for improving transport control protocol performance using path recovery notification over wireless network Provided are an apparatus and method for improving transmission control protocol (TCP) performance using path recovery notification over a wireless network. The apparatus includes: a path recovery manager which detects a mobile host recovered from a temporary discon... | 12/27/2011 |
| 8081564 | Resilient data communications with physical layer link aggregation, extended failure detection and load balancing Rapid channel failure detection and recovery in wireless communication networks is needed in order to meet, among other things, carrier class Ethernet channel standards. Thus, resilient wireless packet communications is provided using a physical layer link aggregati... | 12/20/2011 |
| 8077605 | Method for providing path failover for multiple SAS expanders operating as a single SAS expander A failed link is detected between a first SAS expander and a device. A data transfer of the first SAS expander connected to the device via the failed link is re-routed to a second SAS expander connected to the device via a functional link. The first SAS expander is ... | 12/13/2011 |
| 8072879 | Technique for determining whether to reestablish fast rerouted primary tunnels based on backup tunnel path quality feedback A technique dynamically determines whether to reestablish a Fast Rerouted primary tunnel based on path quality feedback of a utilized backup tunnel in a computer network. According to the novel technique, a head-end node establishes a primary tunnel to a destination... | 12/06/2011 |
| 8064339 | System and method for troubleshooting broadband connections A method is disclosed that includes detecting a problem with a broadband connection at an end device and determining whether the problem can be resolved at the end device. The method also includes requesting that a data network connection device remotely connected t... | 11/22/2011 |
| 8064337 | Method for connecting to a wireless internet service In a wireless data communication network, a mobile terminal is reconnected to a contents provider, when a connection established between the mobile terminal and the contents provider is interrupted or after a completion of the downloading of contents, by using retur... | 11/22/2011 |
| 8064338 | HVPLS hub connectivity failure recovery with dynamic spoke pseudowires Techniques for recovering from hierarchical virtual private LAN service (HVPLS) hub connectivity failure with a dynamic spoke pseudowire. According to one embodiment of the invention, a provider edge (PE) network element in the HVPLS hub monitors for a failure of HV... | 11/22/2011 |
| 8059527 | Techniques for oversubscribing edge nodes for virtual private networks Techniques for operating a network interface include automatically determining whether communications are terminated over a particular attachment circuit on a network interface on an intermediate network node at an edge of a provider network, whereby a sign of death... | 11/15/2011 |
| 8040796 | Voice over IP system recovery apparatus for service and packet groups based on failure detection thresholds A system comprising a SIP failure chandler, wherein the SIP failure handler monitors SIP failures and issues an alert and reroutes call traffic based on a service group number if a SIP failure threshold is exceeded wherein the service group number is associated with... | 10/18/2011 |
| 8031591 | Method and device for providing services for user A method and a device for providing services for a user are provided. The method includes receiving, by an interrogating call session control function (I-CSCF), a failure response returned by a first serving call session control function (S-CSCF) after the I-CSCF se... | 10/04/2011 |
| 8031590 | Method, apparatus and system for ring protection A method, apparatus and system for Ethernet Ring Protection (ERP) are disclosed. The system includes: a node which detects a link fault blocks the port connected with the faulty link after the link on the ring is faulty, and sends a fault alarm message to adjacent n... | 10/04/2011 |
| 8018843 | 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 in... | 09/13/2011 |
| 8000232 | Method for controlling redundancy and transmission device using the same A redundancy control method is disclosed that controls a first redundancy function that switches between a working line and a protection line in response to a detection of a line error and a second redundancy function that performs a path switching in response to a ... | 08/16/2011 |
| 7995469 | System and method for providing intelligent quality of service management in a system with a plurality of telecommunication connections A method, a system, and a computer program product that enables real-time, intelligent quality of service (QoS) for essential services being accessed and/or utilized by a back-office device via a secondary connection to a back-office server running the back-office a... | 08/09/2011 |
| 7978598 | Connection replication A standby content switch module maintains a connection after failure of the active CSM by maintaining a replicate connection state of the connection state of the active CSM. The active CSM transmits a replicate TCP SYN segment to the standby CSM to replicate a conne... | 07/12/2011 |
| 7974186 | Connection recovery device, method and computer-readable medium storing therein processing program A connection information takeover unit in an active communication processing apparatus in the system sends connection information and a transmission sequence number of each data to be transmitted to a standby connection recovery device when a connection is establish... | 07/05/2011 |
| 7969870 | Line accommodating device A line accommodating device for accommodating lines of a first communication network and a second communication network, the line accommodating device includes an interface connecting to the first communication network; a connecting block for connecting to the inter... | 06/28/2011 |
| 7961601 | Lesser disruptive open shortest path first handling of bidirectional forwarding detection state changes A method and apparatus for processing link down events associated with links between adjacent nodes is described. A node receives link down events associated with a link fault protocol for a link between the node and a neighboring node. In response to receiving the ... | 06/14/2011 |
| 7929428 | Switch for dynamically rerouting traffic due to detection of faulty link The disclosed network includes two rings, wherein a first ring transmits data in a clockwise direction, and the other ring transmits data in a counterclockwise direction. The traffic is removed from the ring by the destination node. During normal operations (i.e., a... | 04/19/2011 |
| 7898944 | Smart mechanism for multi-client bidirectional optical channel protection scheme Methods and apparatus for efficiently allowing protection switch information to be communicated on bidirectional lines are disclosed. According to one aspect of the present invention, a method for communicating protection switch information from a first network elem... | 03/01/2011 |
| 7898945 | System, apparatus, and method for multimedia transmission A multimedia transmission system with redundant multiple strain transmission lines for transmitting packeted multimedia data that includes sound and/or video comprises an apparatus having send and receive function capabilities. The apparatus includes a carrier detec... | 03/01/2011 |
| 7898943 | Method for switching route and network device thereof A method for switching route and a network device are disclosed, wherein the method comprises: setting a relationship between a port number of each destination port and a port number of the transmitting port, the port number of each transmitting port is the port num... | 03/01/2011 |
| 7889640 | System and method for establishing protected connections A method for establishing protected connections includes determining a primary path to a first node through a first layer of a multi-layer network. The primary path comprises a plurality of first layer links. At least one link of the plurality of first layer links c... | 02/15/2011 |
| 7876674 | Shared risk group handling within a media gateway A media gateway controller (MGC) is described herein that implements a shared risk group package to control and prevent a media gateway (MG) from establishing redundant links like a primary link and a secondary link that use resources that share the same risk of fai... | 01/25/2011 |
| 7872966 | Protected and high availability paths using DBR reroute paths A method and apparatus are provided for protecting a connection during implementation of an Active Connection Modify request. Before initiating the ACM request, an alternate connection between the source node and the destination node of the connection are establishe... | 01/18/2011 |
| 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) accepting a routing path graph having the destination node, wherein the rou... | 01/11/2011 |
| 7869349 | Method and system for deducing network routes by querying routers A method and system for detecting and correcting invalid network paths in a network having a plurality of routers and a set of global invariant rules imbedded in the network including querying a subset of a routing table data structure defining network paths wherein... | 01/11/2011 |
| 7864670 | Dynamic cable assignment on Gigabit infrastructure A method and corresponding network interface device for communicating between devices connected to a LAN includes attempting to communicate between the network devices over an initial subset of the network media wires. If the communication fails, a subsequent subset... | 01/04/2011 |
| 7864669 | Method of constructing a backup path in an autonomous system A method of constructing a backup path in an autonomous system (AS) for failure of an inter-AS link is described. The method comprises identifying an alternate inter-AS path and constructing a tunnel to an end point on the alternate path. ... | 01/04/2011 |
| 7839771 | Backhaul failover method and system for a wireless network A method and corresponding system for providing for recovering from a failure of a wired link used for communication between the first access point and a wired network. The first access point has at least two radios including a first radio and a second radio each fo... | 11/23/2010 |
| 7839772 | Line redundant device and method There is provided a line redundant method for implementation of line switching in a switching matrix, including the bridge step of outputting a data signal to a plurality of redundant lines in the switching matrix, and the selector step of selecting only a data sign... | 11/23/2010 |
| 7813270 | Route precomputation method and apparatus for bandwidth guaranteed traffic A maximum-flow based route precomputation algorithm includes at least a route generation phase and a route selection phase, and determines one or more routes between at least a given pair of nodes in a network. In the route generation phase, a maximum-flow algorithm... | 10/12/2010 |
