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7826347 Call processing device and method  
A call processing device communicating with a plurality of line cards includes a mapping table and an address table. The call processing device receives a telephone number, searches the mapping...
7826345 Network span protection using span identifiers  
Each span of a communication network, such as a BLSR ring, is assigned a unique span ID. When a node of the network detects a failure in a network span, the node exchanges commands, according to an...
7821919 Data processing apparatus and data processing method  
Each of memory bridges and I/O bridges, cross-linked to one another, is provided with an interface circuit section which performs data transmission and reception according to an PCI-Express...
7821920 Flushing processing unit and method of switching device in network using spanning tree protocol  
A flushing processing unit and method of a switching device in a network using Spanning Tree Protocol (STP). The method includes determining, by a switching device, whether there is a failure link;...
7817536 Supporting application effectiveness in a network environment  
A system for performing an application in a network-centric environment using capabilities attributed to the application. Each capability is assigned one or more priorities for the application. At...
7817537 Matrix switcher and method of controlling matrix switcher  
A matrix switcher includes a switcher unit having connection switches provided at intersections of input signal lines and output signal lines and a control unit having a main controller and a...
7817535 Method of fault tolerance and synchronous failover for broadcast video across the network  
A system and a method are disclosed for detecting a multicast stream fault condition at a variety of points within a digital broadcast video distribution system. In addition, a method of seamless...
7818613 Arrangement and method for connecting a processing node in a distribution system  
An arrangement and method for interconnecting fail-uncontrolled processor nodes in a dependable distributed system. A node has a bus guardian with input switches which act in combination with a...
7813269 Communication apparatus and abnormality restoration method  
According to one embodiment, a communication apparatus includes an acquisition module selectively acquires equipment information showing communication equipment including the same program as the...
7813263 Method and apparatus providing rapid end-to-end failover in a packet switched communications network  
A hardware-based failover scheme enabling rapid end-to-end recovery is provided. Hardware logic periodically generates, transmits, receives, and processes heartbeat packets, sent from one end of...
7813267 Method and system for providing control plane resiliency with undisrupted forwarding in a data network  
Method and system for providing continuous data forwarding during a failure mode in a wireless data network including detecting a control plane failure mode of a network switch, maintaining data...
7808888 Network fault correlation in multi-route configuration scenarios  
A method and network device are shown that include identifying at least one fault identifier to be a member of a first fault set, and identifying at least one fault identifier to be a member of a...
7808887 Bridge/router and method for avoiding packet replication during a failure in a network  
A bridge/router and method are described herein that are capable of avoiding packet replication at layer 2 where there is a failure in a network. In one embodiment, the bridge/router is informed...
7804766 Devices, systems, and/or methods regarding virtual routing forwarding  
Certain exemplary embodiments can provide a method that can comprise automatically rendering information indicative of a cause of a failure in a Virtual Private Network (VPN) that comprises one or...
7805763 Method for distributing values for networks with mobile nodes  
A method (100, 200, 300, 400, 600) for sharing values among nodes (processors) (900, 1004, 1006, 1008, 1010) in a network (1000) that includes mobile nodes that is resistant to corruption by faulty...
7804947 Method and apparatus for validation and error resolution of configuration data in a private branch exchange switch  
Methods and apparatus are provided for validating configuration data in a switch. An error is detected if the configuration data fails to comply with one or more rules; and a user is presented with...
7804791 Method of generating spanning trees to handle link and node failures in a network  
A method of generating spanning trees in a network in which a plurality of network nodes are interconnected by links. The spanning trees are utilized for handling link and node failures. For link...
7801063 Method and apparatus for rate fallback in a wireless communication system  
A method and apparatus are disclosed for reducing a transmission rate for retransmission of a current frame in a wireless communication system. The reduced transmission rate increases the...
7801028 Method and apparatus for transparent auto-recovery in chain and ring networks  
The invention described herein provides a system and method for fault isolation and auto-recovery in chained loop or ring networking systems (103). According to aspects of the method and the...
7801023 Mechanism for efficient endpoint discriminator allocation for APS protected MLPPP bundles on distributed routing systems  
A mechanism and method for efficient endpoint discriminator allocation for APS protected MLPPP bundles on distributed routing systems, including one or more of the following: specifying working and...
7801024 Restoring aggregated circuits with circuit integrity checks in a hierarchical network  
A system and method is disclosed that assures component circuits transported in aggregated circuits restore correctly after an aggregated circuit fault. The system and method implements component...
7801022 Method for reducing capacity of virtual concatenation group and communication network thereof  
Embodiments of the present invention provide a method for reducing the capacity of a Virtual Concatenation Group (VCG) and a VCG communication network. When a network management device sends a...
7801021 Generic routing encapsulation tunnel keepalives  
A technique that enables a source endpoint of a tunnel employing encapsulation to determine if a destination endpoint of the tunnel is reachable or unreachable. The technique issues “keepalive” pac...
7796500 Automated determination of service impacting events in a communications network  
Systems and methods are provided for determining if an alarm originating from a component within a communications network impacts service of said network. One embodiment includes scanning a first...
7796501 System and methods for redundant switch fabric and switch controller  
The present invention combines switching and control functions on a single module while avoiding requirements to synchronize working and standby switch configuration information. The present...
7796499 Method of and system for video fast update  
A method of determining whether to generate a video refresh request includes receiving a packet and performing at least one of determining whether the received packet contains an error and...
7792054 IP backbone network reliability and performance analysis method and apparatus  
This invention provides a tool for reliability evaluation and performance analysis of an IP backbone network by using the network packet loss ratio as the main measurement. A queuing model and...
7792014 Method of skipping nullified packets during mass replay from replay buffer  
In PCI-Express and alike network systems, back-up copies of recently sent packets are kept in a replay buffer for resending if the original packet is not well received by an intended destination...
7792015 Byzantine-fault tolerant self-stabilizing protocol for distributed clock synchronization systems  
A rapid Byzantine self-stabilizing clock synchronization protocol that self-stabilizes from any state, tolerates bursts of transient failures, and deterministically converges within a linear...
7792045 Method and apparatus for configuration and analysis of internal network routing protocols  
A method and apparatus for operating on a system containing a plurality of components in communication using at least one communication protocol is disclosed. The method comprises the steps of...
7788399 System and method for mapping of services  
A system and method for enabling the interchange of enterprise data through an open platform is disclosed. This open platform can be based on a standardized interface that enables parties to easily...
7787383 Method and apparatus for monitoring a connection in a peer-to-peer network  
The status of an appliance may be monitored using promiscuous packets and network reads. In order to establish a peer-to-peer connection between two appliances, a connection manager may issue a...
7787385 Apparatus and method for architecturally redundant ethernet  
A routing apparatus comprising: 1) a first router coupled to a first plurality of Ethernet links; and 2) a second router coupled to a second plurality of Ethernet links, wherein selected ones of...
7787394 Network status display device and method using traffic flow-radar  
A network status display device using a traffic flow-radar is provided. The network status display device includes: a traffic feature extractor calculating flow occupancy rates for total flows,...
7782760 Carrier class resilience solution for switched Ethernet local area networks (LANs)  
A Carrier Class Ethernet switch is described herein that has a resilient switch control system (RSCS) which manages redundant switch matrixes that use redundant links to connect to one or more...
7782761 Ethernet connectivity fault management (CFM) area boundary translator  
An Ethernet Connectivity Fault Management (CFM) Area Boundary Translator is configured to translate incompatible CFM messages being sent between networks operating according to different CFM...
7782787 Rapid fault detection and recovery for internet protocol telephony  
Techniques for performing rapid fault detection and recovery in communication networks are disclosed. For example, in one aspect of the invention, a technique for detecting one or more conditions...
7782758 Efficient loss recovery architecture for loss-decoupled TCP  
The invention provides a method and apparatus for decoupling loss recovery from congestion and window control. The system provides improved performance in high loss environments such as wireless...
7782759 Enabling network devices to run multiple congestion control algorithms  
Creating different congestion control modules (CCMs) that can be plugged into a network communications stack (e.g., a TCP/IP stack). Software abstractions defining transport control events,...
7779306 Method for automatically diagnosing hardware faults in a data storage system  
A method for automatically diagnosing faults a data storage system. The system includes a plurality of enclosures each having: a primary port; an expansion port; a plurality of disk drives; and a...
7778157 Port identifier management for path failover in cluster environments  
A method includes assigning a port identifier to a first port on a node and communicating data on a first path between the first port and a logical unit on an active/passive storage array. The port...
7778155 Broadcast router configured for alternately receiving multiple or redundant reference inputs  
A broadcast router includes a router matrix having input and output sides. Coupled to the input side of the router matrix are first and second reference inputs. The first reference input is...
7778156 Device and method for improving switching time of section/line and equipment protections  
Disclosed is a device for providing an improved switching from one of two or more working resources to at least one spare resource in a telecommunication apparatus, each of the working resources...
7773592 Method and system for routing network information  
Method and system for routing frames in a network is provided. The method comprises, receiving a frame at a receive port of a networking switch element; determining a transmit port and a virtual...
7769862 Method and system for efficiently failing over interfaces in a network  
A method and apparatus is directed towards managing fail-over in a network. At least one back-up device is configured to process traffic if a fail-over condition occurs. The back-up device includes...
7768904 Method and system for fail-safe renaming of logical circuit identifiers for rerouted logical circuits in a data network  
A method and system are provided for fail-safe renaming of logical circuit identifiers for rerouted logical circuits in a data network. A network management module is provided for accessing a...
7764599 Network routing device and network routing method  
A network routing device according to the invention transmits a packet via a second port based upon destination information included in the packet received via a first port referring to a routing...
7764596 Method for restoring a virtual path in an optical network using dynamic unicast  
A method for restoring a virtual path, provisioned between a source and a target node, in a mesh optical network is described. The method, in one embodiment, forwards a resource request in the...
7764636 Content distributing system and content distributing method  
A content distributing system wherein the reliability of receiving content data in wireless sections is improved to realize a more reliable content data distribution. When performing a data...
7764597 Method for implementing network protection combining network element dual homing and ring network protection  
A method for protecting a network comprising a first network element, which homes to a second network element and a third network element on the same ring network, the method comprising the steps...