Matches 1 - 50 out of 324 1 2 3 4 5 6 7 >


Match Document Document Title
US20110317548 METHOD OF AND DEVICE FOR RECOVERING FROM A ROOT BRIDGE FAILURE  
An active loop-free topology established by a Rapid Spanning Tree Algorithm and Protocol (RSTP) emanates from an original root bridge. Upon a bridge directly connected to the root bridge...
US20130028070 METHOD AND APPARATUS FOR RESILIENT ROUTING OF CONTROL TRAFFIC IN A SPLIT-ARCHITECTURE SYSTEM  
The invention is a routing algorithm characteristic that minimizes the weight, meaning that the probability that a node is disconnected from the controller in case of a failure in the network is...
US20120155246 Method and System for Blocking Protocol Messages at a Sub-Ring Control Channel without Virtual Channel  
The present invention provides a method for blocking a protocol message at a Sub-ring control channel without a virtual channel, for avoiding the problem that the Sub-ring is in a continuous...
US20130094351 REDUCING IMPACT OF A SWITCH FAILURE IN A SWITCH FABRIC VIA SWITCH CARDS  
Techniques are disclosed for reducing impact of a switch failure in a switch fabric. In one embodiment, a server system is provided that includes a midplane, one or more server cards and one or...
US20120039164 System And Method Of Implementing Lightweight Not-Via IP Fast Reroutes In A Telecommunications Network  
A system, method, and node for implementing lightweight Not-via Internet Protocol fast reroutes of a packet in a telecommunications network between a first node and a destination node. The method...
US20120147735 Method and Apparatus for a Ring Network Node to Acquire Protocol Messages  
The present invention provides a method and an apparatus for acquiring protocol messages by a ring-network node, including: using dual fields to identify different protocol messages; if a node...
US20140355412 COMPUTER IMPLEMENTED METHOD FOR TRACKING AND CHECKING MEASURES AND COMPUTER PROGRAMS THEREOF  
A computer implemented method for tracking and checking measures and computer programs thereof. A master node receiving from a plurality of slaves nodes messages related with measures generated by...
US20120182861 METHOD AND MEANS FOR STATE TRANSITION OF ETHERNET LINEAR PROTECTION SWITCHING  
The present invention relates to state transition, especially relates to method and means for state transition of Ethernet linear protection switching. It is provided a method of state transition...
US20120195186 METHOD AND SYSTEM FOR PREVENTING TRAFFIC LOSS CAUSED BY WAIT-TO-RESTORE MECHANISMS IN SERVICE PROTECTION NETWORKS  
A method for preventing traffic loss includes transmitting user traffic over an automatic protection switching (“APS”) connection with revertive operation between a first switch and a second...
US20120201122 MULTI-POINT AND ROOTED MULTI-POINT PROTECTION SWITCHING  
The present invention relates to techniques for allowing one or more edge nodes in a backbone network to quickly and efficiently switch traffic delivery from a first virtual network to a second...
US20150200803 SYSTEM AND METHOD FOR NETWORK TOPOLOGY MANAGEMENT  
A system and method for network topology management includes a network controller having a control unit and one or more ports coupled to the control unit and configured to couple the network...
US20120327762 METHOD FOR SUPPORTING MPLS TRANSPORT PATH RECOVERY WITH MULTIPLE PROTECTION ENTITIES  
A system and method for selecting MPLS network transport entities between a first endpoint and a second endpoint are presented. Working and protection entities are selected from a set of available...
US20110069607 METHODS AND SYSTEMS FOR CONTINUITY CHECK OF ETHERNET MULTICAST  
Methods and systems for continuity check of Ethernet multicast are provided. A root MEP multicasts frames with continuity check function information to all leaf MEPs in a multicast group, using a...
US20110261680 GEOGRAPHIC REDUNDANCY FOR CALL SERVERS IN A CELLULAR SYSTEM BASED ON A BEARER-INDEPENDENT CORE NETWORK  
In a bearer-independent core network, the switching and transport of the bearer streams is separated from the processing of call sessions that control the bearer streams. The switching and...
US20140241146 SYSTEM AND METHOD FOR TRAFFIC POLARIZATION DURING FAILURES  
A system and method for traffic polarization during failures includes a communication network cluster including a first network switching unit configured to communicate with a first network node...
US20140211606 Determining Root Sequence  
It is presented a method, executed in a root sequence determiner for a base station controlling a first cell, the first cell being associated with at least one root sequence used for cell...
US20110280119 METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR AUTOMATIC, PEER NODE TRANSPARENT REHOMING OF TIME DIVISION MULTIPLEXED (TDM)-BASED SIGNALING CHANNELS IN AN X USER ADAPTATION (XUA) SIGNALING GATEWAY  
The subject matter described herein includes methods, systems and computer readable media for automatic, peer node transparent re-homing of time division multiplexed (TDM)-based signaling channels...
US20130322232 Enhancements to PIM Fast Re-Route with Upstream Activation Packets  
An upstream activation mechanism provides enhancements to PIM-SM based fast re-route in a multicast communication network, where secondary paths provides redundancy to a multicast tree and are on...
US20120020204 PUBLIC LAND MOBILE NETWORK SELECTION PROCEDURES FOR SIMULTANEOUS NETWORK CONNECTIVITY THROUGH MULTIPLE ACCESSES  
A system and method for network selection procedures for simultaneous network connectivity through multiple accesses comprises obtaining stored and registered PLMNs, determining whether PLMNs are...
US20120236707 Method and Arrangement for Managing Radio Link Failure  
In a method of managing radio link failure based on the RRC protocol in a user equipment node communicating over a radio link with a radio base station node in a wireless communication system, the...
US20140016454 HIGH AVAILABILITY TRANSPORT PROTOCOL METHOD AND APPARATUS  
A system and method supporting efficient, scalable stateful switchover of transport layer connections in a telecommunications network element. One method involves receiving, at a network element...
US20110038253 TRANSPORT CONTROL SERVER, TRANSPORT CONTROL SYSTEM, AND BACKUP PATH SETTING METHOD  
A transport control server (TCS) identifies a backup path B switched over to from an active path A due to a path change or a fault, based on information in a path change notification or a fault...
US20150188771 Multicast Convergence  
A method in a network element is provided for improved convergence in a network that includes the network element. The network element is one of a plurality of network elements in the network each...
US20120176889 NETWORK FAILOVER PROTECTION  
Embodiments generally disclosed herein include a computer-implemented method for providing network failover functionality. The method includes providing service over a transport network from a...
US20130121136 MOBILE TERMINAL AND FAILURE RECOVERY METHOD THEREOF  
A mobile terminal and failure recovery method thereof, wherein the method comprises: a wireless MODEM receives failure recovery triggering information, in the case that an AP cannot work normally;...
US20150163002 Wireless Fire System with Idle Mode and Gateway Redundancy  
A method and apparatus that includes the steps of providing a plurality of wireless nodes including at least one parent node and at least one child node, a control panel sending instructions to...
US20130194911 REDUNDANT NETWORK CONNECTIONS  
Various exemplary embodiments relate to a method and related network node including one or more of the following: performing an active gateway election to determine whether the provider edge...
US20100302934 POWER RAMPING FOR RACH  
The present invention relates to a method for requesting access to a resource, said method comprising a secondary station transmitting an access preamble to a primary station, upon failure of...
US20120033542 TECHNIQUES FOR DETERMINING LOCAL REPAIR CONNECTIONS  
Techniques for configuring a local repair connection for a protected connection including determining a path for the local repair connection. The path traversed by a local repair connection starts...
US20110211440 METHODS AND SYSTEMS FOR ENABLING END-USER EQUIPMENT AT AN END-USER PREMISE TO EFFECT COMMUNICATIONS HAVING CERTAIN DESTINATIONS WHEN AN ABILITY OF THE END-USER EQUIPMENT TO COMMUNICATE VIA A COMMUNICATION LINK CONNECTING THE END-USER EQUIPMENT TO A COMMUNICATIONS NETWORK IS DISRUPTED  
A method for effecting communications, such as telephone calls, accesses to data network sites (e.g., web sites), alarm system communications, and/or other communications, having certain...
US20130051217 SYSTEM AND METHOD FOR ENHANCING LOOP FREE ALTERNATIVE COVERAGE  
An approach is provided for improving network restoration by enhancing loop free alternative coverage. A loop-free alternate (LFA) procedure is initiated for a failed link of a network including a...
US20090245097 SIGNAL TRANSMITTING DEVICE FOR SWITCHING FORWARDING DESTINATION  
A device includes: an ingress interface unit determining an output port of an input signal, adding destination information including information on the output port, and outputting the signal; two...
US20120099420 EFFICIENT CONVERGENCE OF GROUPED VPN PREFIXES  
In one embodiment, a list of border node next hop options is maintained in a memory. The list of border node next hop options includes one or more of border nodes that may be utilized to reach one...
US20150071055 ENHANCEMENTS TO PIM FAST RE-ROUTE WITH UPSTREAM ACTIVATION PACKETS  
A method performed by a network node. The method includes detecting a loss of connection at an incoming interface to an upstream neighbor of the network node, where the network node is in a...
US20110110221 Signaling Gateway for Routing Signaling Messages  
A method of operating a signaling gateway for routing signaling messages between a SS7 network and an IP-based network is provided. The signaling gateway has a signaling point code allocated as a...
US20130322231 ENHANCEMENTS TO PIM FAST RE-ROUTE WITH DOWNSTREAM NOTIFICATION PACKETS  
A failure detection mechanism provides enhancements to PIM-SM based fast re-route techniques. A network node upon detecting a loss of connection determines whether it can re-route multicast data...
US20100296391 Method for Conducting Redundancy Checks in a Chain Network  
The present invention relates to a method for conducting redundancy checks in a chain network, wherein the two ends of the chain network are equipped with a first switch and a second switch...
US20130051216 Techniques for Recovery of Wireless Services Following Power Failures  
Techniques for managing a wireless network when disruptive events occur are provided. In one aspect, a method for managing a heterogeneous wireless network having at least two classes of nodes is...
US20120287776 NETWORK, NETWORK FAULT RECOVERY METHOD, AND NODE DEVICE  
A ring network of a multicast label switch path scheme includes a plurality of nodes connected to form a ring. Further, a signal input to a first one of the nodes is branched to be transmitted in...
US20100329110 Method for reconvergence after failure in a dual-homing network environment  
A manner of providing for re-convergence in a dual homing network following the failure of one of the dual homing links. When such a failure is detected, the port roles are recomputed using an...
US20120327763 PREVENTING UPPER LAYER RENEGOTIATIONS BY MAKING PPP AWARE OF LAYER ONE SWITCHOVERS  
A method may include establishing a first Point-to-Point Protocol (PPP) session on an interface, receiving an indication of a layer one failure, omitting for a period of time, an indication that...
US20110026394 DISTRIBUTED ETHERNET SYSTEM AND METHOD FOR DETECTING FAULT BASED THEREON  
A distributed ethernet system including a plurality of switches, which switches are connected in sequence to form a ring, where after being synchronized in clock, each of the switches sequentially...
US20100039932 Hierarchical Redundancy for a Distributed Control Plane  
A method and apparatus for hierarchical redundancy for a distributed control plane. In one embodiment of the invention, control plane processes are distributed among a plurality of processing...
US20140269253 METHOD AND DEVICE FOR ENTERING A NETWORK FOLLOWING AN ABNORMAL POWER DOWN IN A WIRELESS COMMUNICATION SYSTEM  
The present invention relates to a method and device for maintaining the context of user equipment (UE) in a wireless communication system. If power for a terminal is abnormally down, a base...
US20120281523 METHOD AND APPARATUS FOR COORDINATING FAULT RECOVERY TECHNIQUES AMONG DOMAINS  
In a telecommunications/data network, it is common to have multiple recovery domains each employing its own technique for recovering a fault that may be different from a technique employed by...
US20130058208 FAULT TOLERANT MANAGED SWITCHING ELEMENT ARCHITECTURE  
In a hierarchical switching architecture that includes at least one lower level managed switching element that connects to several higher level managed switching elements, some embodiments provide...
US20110090783 METHOD AND SYSTEM FOR SMART PROTECTION OF ETHERNET VIRTUAL PRIVATE-ROOTED MULTIPOINT SERVICE  
A method and system for smart protection of Ethernet Virtual Private-Rooted Multipoint Service (EVP-RMP) are provided. The method comprises sending data from a head node through a first root node...
US20110032814 Session Resilience Prioritization Queuing Mechanism to Minimize and Eliminate Packet Loss  
A method for managing a plurality of subscriber sessions tied to mobile devices in a router, each subscriber session of the plurality of subscriber sessions assigned to a line card in the router,...
US20150085638 MULTIPROTOCOL LABEL SWITCHING TRAFFIC ENGINEERING TUNNEL ESTABLISHING METHOD AND DEVICE  
Embodiments of the present invention provide a Multiprotocol Label Switching traffic engineering tunnel establishing method and device. A tunnel establishing method includes: receiving, by a...
US20050058063 Method and system supporting real-time fail-over of network switches  
An example embodiment of a system for providing fail-over between switches in a network may include a switch having a server-side port and a fail-over circuit in communication with the server-side...

Matches 1 - 50 out of 324 1 2 3 4 5 6 7 >