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US20150016242 |
Method and Apparatus for Optimized LFA Computations by Pruning Neighbor Shortest Path Trees
A method is implemented by a network element for determining a next hop of a backup path for a fast reroute process to be utilized in response to a network event invalidating a primary path to a... |
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US20110199891 |
System and Method for Protecting Ingress and Egress of a Point-to-Multipoint Label Switched Path
A network comprising a first edge node, a second edge node, a third edge node that backs up either the first edge node or the second edge node, and an internal node coupled to the first edge node,... |
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US20150172070 |
INCREASING FAILURE COVERAGE OF MOFRR WITH DATAPLANE NOTIFICATIONS
A computing device or control plane device functioning as or implementing the functions of a network node in a multi cast communication network. The multi cast communication network includes a... |
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US20150009802 |
Method and Arrangement for Connection Re-establishment in a Telecommunication System
The invention relates to a method in a user equipment and a user equipment (700) for controlling connection re-establishment between said user equipment and a network. The method comprises the... |
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US20150229562 |
APPLICATION LAYER SESSION ROUTING
A method and server system for providing application layer session routing based on network element availability. A server system (12, 18) is arranged to monitor the abilities of session control... |
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US20140146659 |
RENDEZVOUS POINT CONVERGENCE METHOD AND APPARATUS
The present invention discloses a rendezvous point convergence method and apparatus and relates to the field of communications, to solve a problem that an entire network cannot work normally for a... |
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US20150256447 |
Methods And Apparatuses For Performing Protection Switching Without Using Y.1731-Based Automatic Protection Switching (APS) Messages
To perform protection switching between tunnels in a network, Y.1731-based APS messages are often sent from a management system to nodes at the tunnels' end-points. If the management system is... |
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US20130142034 |
NETWORK DEVICE AND METHOD OF ROUTING TRAFFIC
A method for routing switch is disclosed. The method comprises: when a network device forwards traffic through N equal-cost multi-path (ECMP) routes to a destination, if M of these routes are... |
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US20130128720 |
METHOD AND APPARATUS FOR PROTECTION SWITCHING IN POINT-TO-MULTIPOINT NETWORK
A method of performing protection switching in a network including a first node and a plurality of second nodes that are connected to the first node is provided. The first node counts the number... |
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US20150256488 |
ROUTING PROTOCOLS FOR ACCOMMODATING NODES WITH REDUNDANT ROUTING FACILITIES
Graceful restart in routers having redundant routing facilities may be accomplished by replicating network (state/topology) information. |
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US20130176843 |
ROUTING PROTOCOLS FOR ACCOMMODATING NODES WITH REDUNDANT ROUTING FACILITIES
Graceful restart in routers having redundant routing facilities may be accomplished by replicating network (state/topology) information. |
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US20150063094 |
METHOD, APPARATUS, AND SYSTEM FOR DETECTING CONNECTIVITY
The present invention discloses a method, an apparatus, and a system for detecting connectivity. A node receives connectivity detection request information; determines, according to nicknames of... |
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US20130077470 |
Method For Applying Macro-Controls Onto IP Networks Using Intelligent Route Indexing
Systems and methods are described that manage routing information in an IP network using extensible indexing and use the indexing to control the network. The indexing and associated controls apply... |
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US20110194404 |
SYSTEM AND METHOD FOR FAST PROTECTION OF DUAL-HOMED VIRTUAL PRIVATE LAN SERVICE (VPLS) SPOKES
A novel and useful system and method for fast protection of dual homed Virtual Private LAN Service (VPLS) spokes. Fast protection is achieved by forwarding traffic to the dual homed VPLS spoke... |
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US20150124585 |
METHODS AND APPARATUS FOR RELOCATING AND RESTORING CONNECTIONS THROUGH A FAILED SERVING GATEWAY AND TRAFFIC OFFLOADING
In a radio telecommunications network, a serving gateway support node controls connections between user equipment nodes and a packet-based network that pass through at least one serving gateway... |
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US20130170335 |
SYSTEM AND METHOD FOR CONVERGENCE AND AUTOMATIC DISABLING OF ACCESS POINTS IN A WIRELESS MESH NETWORK
One embodiment of the present disclosure sets forth a technique for convergence and automatic disabling of access points in a wireless mesh network. Specifically, an access point within a wireless... |
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US20150163130 |
METHOD ENABLING FAST SWITCHING BETWEEN MULTICAST TREES
Presented are a system and method of detecting a multicast tree link failure and performing a fast switch from the failed multicast tree communication path to a secondary multicast tree... |
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US20120127855 |
METHOD AND DEVICE FOR CONVEYING TRAFFIC
A method and a device for conveying traffic are provided, wherein a master node is connected to a first slave node and to a second slave node; wherein the first slave node and the second slave... |
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US20150236898 |
MOBILE GATEWAYS IN POOL FOR SESSION RESILIENCE
Embodiments of the invention include a method for providing UE session resilience performed in a first PDN-GW that is coupled to a second PDN-GW, which are both in a PDN-GW pool. The method... |
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US20140313880 |
FAST FLOODING BASED FAST CONVERGENCE TO RECOVER FROM NETWORK FAILURES
A method in a router for initiating fast flooding based fast convergence to recover from a network failure is disclosed. The method also starts with detecting a network failure. Responsive to the... |
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US20130188474 |
PAGING PROCESSING METHOD AND SYSTEM, SERVING GATEWAY
The embodiments of the present invention provide a paging processing method and system and also a serving gateway. The paging processing method includes: detecting, by a serving gateway, a fault... |
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US20120207013 |
SYSTEM AND METHOD FOR MANAGING TRACKING AREA IDENTITY LISTS IN A MOBILE NETWORK ENVIRONMENT
A method is provided in one example embodiment and includes communicating a plurality of queries associated with common tracking areas in a wireless network; identifying a set of serving gateways... |
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US20150207670 |
Relay System and Switching Device
When a fabric switch detects a fault in its own link, the fabric switch transmits a first fault notification frame containing a fault link identifier representing the detected fault to a plurality... |
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US20150092535 |
Methods For Limiting Number Of Routers In A Mesh Network
In some cases, it may be desirable to limit the number of routers in a mesh network. Various techniques to limit the number of routers, without affecting connectivity, are disclosed. In some... |
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US20150172102 |
SOFTWARE-DEFINED NETWORKING DISASTER RECOVERY
Embodiments relate to software-defined networking (SDN) disaster recovery. An aspect is a computer-implemented method that includes establishing a plurality of flows, by an SDN controller, between... |
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US20110176411 |
METHOD FOR PROTECTING A PSEUDO-WIRE
A method and apparatus are provided for establishing a first pseudo-wire between a first item of input terminal equipment and an item of output terminal equipment, used by the first item of input... |
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US20140233369 |
ETHERNET VIRTUAL PRIVATE NETWORK SYSTEM FOR PROVIDING FAST PROTECTION FOR ACCESS RINGS
In one embodiment, a method includes obtaining a first indication from a first source included in an Ethernet ring and obtaining a second indication from a second source associated with a provider... |
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US20150222479 |
METHOD OF COMMUNICATING CONTENT IN MOBILE AD-HOC NETWORK AND COMMUNICATION NODE INCLUDED IN MOBILE AD-HOC NETWORK
Provided are a method of communicating content in a mobile ad-hoc network and a communication node included in a mobile ad-hoc network, the method and communication node intended to efficiently... |
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US20150009800 |
UNIFIED REPLICATION MECHANISM FOR FAULT-TOLERANCE OF STATE
A network control system that achieves high availability for forwarding state computation within a controller cluster by replicating different levels of table state between controllers of the... |
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US20120250497 |
METHODS FOR SENDING AND PROCESSING AN SIP RESPONSE
Devices, systems, and methods for sending and processing session initiation protocol (SIP) responses are disclosed. According to one aspect, a method for sending an SIP response through a first... |
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US20150043326 |
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... |
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US20150249597 |
Rapid Alternate Paths for Network Destinations
Network traffic is sent via alternate paths in cases of network link or node failure. An alternate node responds to U-Turn traffic from a primary neighbor to select a further alternate. An... |
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US20110199893 |
MOBILE COMMUNICATION METHOD, MOBILE SWITCHING CENTER, AND RADIO BASE STATION
A CSFB processing unit (14) of a mobile switching center (MME) of according to the present invention is configured not to perform CSFB processing to enable a mobile station (UE), which establishes... |
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US20140301182 |
GRACEFUL RESTART (GR) METHODS AND DEVICES
This disclosure provides methods and devices for Graceful Restart (GR) in a network with multiple GR Restarters that include a first GR Restarter and at least one second GR Restarter corresponding... |
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US20140328158 |
PROTECTION GROUP SWITCHING FOR CIRCUIT EMULATION
A secondary edge node is coupled between the packet network and a non-packet network and is adapted to function as follows when a failure associated with the primary edge node or circuitry coupled... |
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US20140003227 |
SELECTIVE BGP GRACEFUL RESTART IN REDUNDANT ROUTER DEPLOYMENTS
In general, techniques are described for selectively invoking graceful restart procedures when a route reflector member of a redundant route cluster fails. In one example, a method is provided... |
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US20120188867 |
RECOVERY OF TRAFFIC IN A CONNECTION-ORIENTED NETWORK
A connection-oriented network (5) has a plurality of connections terminated at a first node (N6). A recovery group (A) is configured at the first node (N6) comprising at least two of the plurality... |
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US20120075988 |
FAST FLOODING BASED FAST CONVERGENCE TO RECOVER FROM NETWORK FAILURES
A router detects a network failure and responsive to that failure, floods a fast failure notification message out a set of interfaces of the router. The fast failure notification message includes... |
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US20130083650 |
METHOD FOR HANDLING FAILURE OF A MME IN A LTE/EPC NETWORK
Method for handling failure of a MME (Mobility Management Entity) in a Long Term Evolution/Evolved Packet Core network or an Evolved Packet System, wherein multiple UEs (User Equipment) are... |
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US20120201123 |
HITLESS SWITCHOVER AND BANDWIDTH SHARING IN A COMMUNICATION NETWORK
Described is a node comprising a switch fabric and first and second ingress modules. The first ingress module receives a first stream of packets from a first physical path through the network;... |
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US20150109899 |
PIM FAST FAILOVER USING PIM GRAFT MESSAGE
A system for PIM fast failover recovery includes a network of a plurality of switching devices. The plurality of switching devices includes a source switching device near a source communicatively... |
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US20120320736 |
Providing resilient digital telephony services for wireless device
A system and method for providing resilient digital telephony services for wireless communication devices are disclosed. The system comprises a plurality of wireless communication devices and a... |
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US20140140200 |
METHOD AND SYSTEMS FOR AN OUTGOING UNIDIRECTIONAL OUTAGE BYPASS FOR A VOICE OVER INTERNET PROTOCOL PRIVATE BRANCH EXCHANGE SYSTEM
A system and method is disclosed herein for providing a unidirectional outage bypass for outgoing communications from a session initiation protocol (SIP) device in a hosted Voice-over Internet... |
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US20140286154 |
HYBRID DISTRIBUTED LINEAR PROTECTION
A method for linear protection for a network element communicatively coupled to another network element included in a node portal located at the edge of an administrative network domain includes... |
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US20140301181 |
DETECTING, REPORTING, AND RECOVERING FROM POTENTIAL SERVICE DISRUPTIONS
A user equipment (UE) detects a change in one or more criteria, determines whether a severity of the potential loss of network service is above a severity threshold, transmits a ping to a server... |
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US20140086041 |
SYSTEM AND METHOD FOR PROVIDING N-WAY LINK-STATE ROUTING REDUNDANCY WITHOUT PEER LINKS IN A NETWORK ENVIRONMENT
A method is provided in one example and includes broadcasting a switching node identifier associated with a first link-state protocol enabled switching node to a plurality of link-state protocol... |
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US20120163162 |
SPLIT MULTI-LINK TRUNKING (SMLT) HOLD-DOWN TIMER FOR INTERNET PROTOCOL (IP) MULTICAST
A method, apparatus and computer program product for providing mulitcast failover and recovery which minimizes lost packets is presented. A first network device returns to a fully active state and... |
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US20130084062 |
HITLESS PROTECTION FOR TRANSMITTING TRAFFIC IN HIGH-SPEED SWITCHING SYSTEM
A system to provide hitless protection includes a primary line card with a synchronous interface, the primary line card processing traffic with cells and encapsulating the traffic into synchronous... |
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US20150109901 |
METHOD FOR MANAGING FORWARDING PLANE TUNNEL RESOURCE UNDER CONTROL AND FORWARDING DECOUPLED ARCHITECTURE
An embodiment of the present invention discloses a method and device for managing a forwarding plane tunnel resource, wherein the method includes: sending a forwarding plane tunnel resource... |
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US20130107698 |
IP FAST REROUTE SCHEME OFFERING FULL PROTECTION
An IP fast reroute scheme offering full protection is disclosed for reducing the number of address lookups associated with a message packet. The IP fast reroute scheme offering full protection... |