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7864665 Methods and systems for detecting IP route failure and for dynamically re-routing VoIP sessions in response to failure  
Methods and systems for detecting IP route failure using a request-reply protocol, such as address resolution protocol (ARP), and for dynamically re-routing VoIP sessions in a VoIP device in...
7864687 Methods and apparatus for fault identification in border gateway protocol networks  
Systems and techniques for fault analysis in a data communication system. A fault analysis console in a provider network serving one or more customer networks responds to a reported loss of...
7864666 Communication control apparatus, method and program thereof  
A communication apparatus communicably connects a network of a plurality of apparatuses and a data relay apparatus to another network of the same manner as that of the network by detecting a...
7864688 Communication system, method of providing information therein and communication device  
A communication system for a plurality of devices performing communications through a network is provided. The communication system includes a transmitter/receiver, a reception status detector, and...
7864789 Signaling methods for telecommunicaton system for exchanging frames over ethernet interfaces and devices for implementing such methods  
A platform is connected over a synchronous network using a GFP encapsulation scheme to a provider device having a first Ethernet interface with a customer device, said platform being arranged for...
7859992 Router redundancy in data communication networks  
A method of providing router redundancy within a distributed network of routers, wherein messages are routed within the network based on virtual router identifiers, involves organizing the routers...
7859994 Method and apparatus to switch data flows using parallel switch fabrics  
A low-cost, high-speed data switching system and method uses several parallel switching systems or fabrics. In one of various embodiments, for example, the constituent data flows in a data stream...
7860087 Distinguishing between protocol packets in a wireless communication system  
The present invention is directed to distinguishing between protocol packets in a wireless communication system. A transmitting side receives an IP packet comprising a User Datagram Protocol (UDP)...
7860491 System and methods for on-demand document provisioning using ad hoc networking  
A method of providing data content obtained from one or more network-connected nodes to a mobile computing device is provided. The method includes determining whether a previously-established...
7855949 Method and apparatus for bundling signaling messages for scaling communication networks  
Method and apparatus for bundling signaling messages to provide better circuit connection performance and scalability in circuit restoration during a network failure of communication networks.
7855950 Congruent forwarding paths for unicast and multicast traffic  
A mechanism that provides congruent forwarding paths for unicast and multicast data traffic over a service provider core network includes issuing, by a receiver edge node, a request to join a...
7855951 Signal transmission scheme for efficient management of common enhanced dedicated channel  
A signal transmission scheme for efficient management of a common E-DCH is provided. In the case of a common E-DCH that a UE in an idle mode or in a CELL_FACH status uses within a limited period of...
7852974 Plural circuit selection using role reversing control inputs  
Data is communicated through two separate circuits or circuit groups, each having clock and mode inputs, by sequentially reversing the role of the clock and mode inputs. The data communication...
7852747 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
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 having, as components, nodes having a network address and links there between comprises the...
7848642 Method and apparatus for capacity-efficient restoration in an optical communication system  
A method and system provide capacity-efficient restoration within an optical fiber communication system. The system includes a plurality of nodes each interconnected by optical fibers. Each optical...
7848225 Service protecting switching method, system and device in a connectionless network  
A method for service protection switching in a connectionless network is provided. The method includes detecting if there is any failure which may have occurred on the respective path in the...
7848223 Redundantly connected wireless sensor networking methods  
Methods and devices for operating a wireless network including redundant communication. Methods involving redundantly connected nodes are discussed including addressing methods and/or methods of...
7848224 Method and apparatus for constructing a repair path for multicast data  
A method is disclosed for constructing a repair path for multicast data around a non-available component in a data communications network having as components nodes and links therebetween. The...
7843839 Transmission device serially resetting each circuit included therein  
A transmission apparatus includes: a plurality of signal transmission circuits on a transmission path; a monitoring unit that detects a fault by monitoring an operating status of each of the signal...
7843807 Fault reporting tag for mesh access points  
Mesh access point fault reporting. In particular implementations, a method includes receiving a fault indication indicating one or more failures; collecting fault data related to the one or more...
7843809 Preserving stable calls during failover  
According to one method for preserving stable calls during failover, during a dialog between two user endpoints, a determination is made whether a standby call processor has become operational,...
7843808 Method and apparatus for fast reroute in a connection-oriented network  
A method and an apparatus for rapidly resuming, at times of failures, network traffic in a connection-oriented network by using an alternative route pre-computed and stored locally in nodes along...
7843814 Mechanism and method for non-service affecting APS protection for MLPPP bundles on routing systems  
A method of non-service affecting APS protection for MLPPP bundles on routing systems, and associated mechanism, including one or more of the following: specifying a working MLPPP bundle and a...
7839764 Wireless sensor network gateway unit with failed link auto-redirecting capability  
A wireless sensor network gateway unit is proposed, which is designed for integration to a wireless sensor network (WSN) for providing a gateway function with a failed link auto-redirecting...
7839952 Data rate coordination in protected variable-rate links  
A method for communication includes sending first data over a first communication link to a destination communication system at a first data rate, which can be varied. Second data, including at...
7839795 Carrier Ethernet with fault notification  
A method of fault notification in a carrier Ethernet having the capability of generating and transmitting OAM packets having flag fields, comprises inserting a bit in one of the flag fields to...
7835266 Node apparatus and maintenance and operation supporting device  
The present invention relates a node device cross-connected to a STM transmission system and a maintenance and operation support device connected to the node device. The object of the present...
7835269 Fast link down  
Apparatus having corresponding methods and computer programs comprise a physical layer controller adapted to start a first timer for a physical link comprising a receive physical link; and a...
7835270 Method for managing virtual router redundancy protocol backup groups  
A method for managing Virtual Router Redundancy Protocol (VRRP) backup groups includes: setting a VRRP Group Management Protocol (VGMP) group including at least one VRRP management group. Each VRRP...
7835267 Dynamic path protection in an optical network  
A method and system for dynamic protection of virtual links for paths of an optical network in communication with an IP network are disclosed. The method includes establishing two or more paths...
7835268 Optical termination system  
An optical termination system is provided. The optical termination system includes a working Optical Line Terminal (OLT) that communicates with a plurality of Optical Network Units (ONUs) near end...
7835385 Communication arrangement in a base station in a cellular mobile telephony system  
The invention discloses an arrangement (100) in a base station in a cellular mobile telephony system, comprising a first plurality (120-160) of Printed Circuit Boards (PCB:s) and a second plurality...
7835265 High availability Ethernet backplane architecture  
A high availability backplane architecture. The backplane system includes redundant node boards operatively communicating with redundant switch fabric boards. Uplink ports of the node boards are...
7830785 System and method for restoration in a multimedia IP network  
Disclosed herein are systems, methods, and computer readable media for modifying IP backbone link weights such that multicast traffic and unicast traffic will not travel on a same path between...
7830873 Implementation of distributed traffic rate limiters  
A method of processing packets and a network device are disclosed. Packets are received from separate ingress processing pipelines during a processing cycle. Control information for each packet is...
7830806 Monitoring a network path  
The present invention relates to the monitoring of paths along which signals are carried in a telecommunications network, in particular to determine if a path has been altered. Each path has a...
7831710 Communication of offline status between computer systems  
A method for communication of offline status between nodes includes detecting an impending deactivation of a physical port and sending a message from a sending node to a receiving node notifying...
7830784 Intelligent network restoration  
A device may isolate a first failure of a network interface that transports packets from one point in a network to another point in the network, may detect a subsequent failure of the interface,...
7826453 Set top box address detection system and method thereof  
An address detection system for detecting an address of a set top box is provided; the address detection system includes a first server and a second server. The first server includes a first...
7826346 Multiple-input multiple-output transmission system  
In a multiple-input multiple-output transmission system (MIMO system), a receive station detects whether or not there is an error in each data stream, estimates the state of the propagation path of...
7826447 Preventing denial-of-service attacks employing broadcast packets  
An apparatus having a corresponding method and computer program comprises a processor; a plurality of ports to transmit and receive packets of data, the plurality of ports comprising a processor...
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...