Matches 1 - 50 out of 327 1 2 3 4 5 6 7 >


Match Document Document Title
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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.
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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;...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 327 1 2 3 4 5 6 7 >