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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...
7869346 Methods and apparatus for cluster licensing in wireless switch architecture  
Wireless switch licenses are assigned on a cluster basis rather than being limited to individual switches. A switch cluster is made up of two or more wireless switches that each having an assigned...
7869375 Method for predicting a fault in a security system  
A method for predicting a fault in a wireless communication path between at least one transmitter and a receiver. The method comprises detecting an initial value of a characteristic of a reception...
7869433 Home network connection management system using UPnP and VLAN multicast  
Provided is a home network connection management system using UPnP (Universal Plug and Play) and VLAN (Virtual LAN) multicast. The home network connection management system includes a UPnP-VLAN...
7869344 1+N network protection for mesh networks: network coding-based protection using P-cycles and protection paths  
A method and system for providing protection of multiple communication sessions using the bandwidth resources on the order of those required to protect a single communication session. This is...
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...