Matches 1 - 50 out of 76 1 2 >


Match Document Document Title
US20150092537 RECOVERY OF ESTABLISHED EMERGENCY CALLS  
A system, method and apparatus for re-establishing a call received at a public safety answering point are described. A Session Initiation Protocol (SIP) call establishment request is received at...
US20130201820 TRIGGERING A REDUNDANT ROUTER MASTER/BACKUP STATUS CHANGE BASED ON SWITCH CONNECTIVITY  
Systems and methods according to the exemplary embodiments enable improved switch or link failure handling. A redundant router master/backup status change may be triggered based on switch...
US20140233371 NETWORK MANAGEMENT SYSTEM  
It is to realize a network management system which can suppress to a minimum a time during which it is impossible to make a communication when a trouble occurs in any of field wireless management...
US20140016455 METHOD, DEVICE, AND SYSTEM FOR PROVIDING A SURVIVABILITY GATEWAY SERVICE  
A method and apparatus dynamically pair a user's communication devices with a personal survivability gateway. The gateway can support the establishment of communication services in case of a...
US20100226244 Network System  
Provided is a multicast path management method for a connectionless communication. Also provided is a path protection function which is effective when a path has failed. A network is formed by a...
US20130308442 MANAGEMENT DEVICE AND MANAGEMENT METHOD  
A management device includes a node selecting unit, a replicating unit, and a switching unit. The node selecting unit selects a backup node for a management node, from a plurality of nodes in a...
US20140056122 PROCEDURES, APPARATUSES, SYSTEMS, AND COMPUTER-READABLE MEDIA FOR OPERATING PRIMARY AND BACKUP NETWORK ELEMENTS  
Procedures, apparatuses, systems, and computer-readable media for operating primary and backup network elements (NEs). The procedure for operating the primary NE includes determining a failure in...
US20120113800 METHODS AND SYSTEMS FOR ENABLING END-USER EQUIPMENT AT AN END-USER PREMISE TO EFFECT COMMUNICATIONS WHEN AN ABILITY OF THE END-USER 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, alarm system communications, and/or other communications, over a communications network. The method...
US20120120789 SYSTEMS AND METHODS FOR IMPROVING CIRCUIT SWITCHED FALLBACK PERFORMANCE  
Methods and apparatus for improving Circuit Switched (CS) Fallback performance, such as in an LTE network, are described. In one aspect, a UE may perform a RAU procedure before performing a CS...
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...
US20150016243 COMPACT ROUTER WITH REDUNDANCY  
A compact router with redundancy includes embodiments having main and backup crosspoint switching devices wherein one of the switching devices is removable from a main circuit board via a quick...
US20130051219 METHODS AND APPARATUS FOR AVOIDING INTER-CHASSIS REDUNDANCY SWITCHOVER TO NON-FUNCTIONAL STANDBY NODES  
A network node for routing messages in a communications system, includes at least one network interface that communicates messages with a plurality of other network nodes, and a microprocessor...
US20080175142 Network apparatus, redundant network method, and computer product  
A network apparatus for a wide area network (WAN) includes a plurality of ports through which a local area network (LAN) and the WAN are connected; an active-port selecting unit that selects an...
US20130003528 JOINT NEAR-END AND FAR-END STATE MACHINE FOR SERVICE PROTECTION NETWORKS  
In one embodiment, a method for telecommunications includes determining the operational state of a first network switch, determining the operational state of a second network switch, determining...
US20140211609 IMPLEMENTING A SWITCH FABRIC RESPONSIVE TO AN UNAVAILABLE PATH  
In a method for implementing a switch fabric, in a first fabric chip, a packet comprising an identification of a destination node chip is received from a source fabric chip, and a determination...
US20140204730 Implementing Gateway Redundancy in a Network  
Implementing gateway redundancy in a network includes sending a message to a first device of multiple devices of a network through a controller where the first device is a master gateway and a...
US20100020680 MULTI-CHASSIS ETHERNET LINK AGGREGATION  
In one embodiment a method is provided for forwarding traffic through a standby device in the event of an uplink connection failure. The method generally includes forwarding traffic received on a...
US20120057453 METHOD, APPARATUS AND SYSTEM FOR TWO-NODE CLUSTER HOT BACKUP  
A method, an apparatus and a system for two-node cluster hot backup is provided. A second network node configures a redundancy protocol with a first network node at an access port to negotiate an...
US20120127856 ELECTRONIC PATCH DEVICE, NETWORK SYSTEM, AND OPERATION METHOD IN NETWORK SYSTEM  
Provided are an electronic patch device, network system, and operation method in the network system. The network system includes n (n is a natural number equal to or greater than 1) network...
US20080123522 REDUNDANCY COUPLER FOR INDUSTRIAL COMMUNICATIONS NETWORKS  
A method for providing a hot standby master on a fieldbus includes communicatively coupling a redundancy coupler to a fieldbus having at least one slave device communicatively coupled thereto. The...
US20060077891 Wiring closet redundancy  
Systems and method for providing redundancy of communications and/or inline power to a powered Ethernet device are disclosed. A redundancy device is configured to receive in-line data and/or power...
US20140140201 SEA FAILOVER MECHANISM WITH MINIMIZED PACKET LOSSES  
Provided are techniques for active SEA learning about a client LPAR MAC addresses via address resolution protocol (ARP) packets received on a virtual interface (of the active SEA). Any new client...
US20130194912 SEA FAILOVER MECHANISM WITH MINIMIZED PACKET LOSSES  
Provided are techniques for active SEA learning about a client LPAR MAC addresses via address resolution protocol (ARP) packets received on a virtual interface (of the active SEA). Any new client...
US20110096659 Zero Packet Loss Energy Efficient Ethernet Link Transition Via Driver Fast Failover  
A mechanism for zero packet loss with energy efficient Ethernet link transition via driver fast failover is provided. By default, the mechanism uses a primary adapter running at low speed with low...
US20110216646 RESIDENTIAL GATEWAY FOR PROVIDING BACKUP INTERFACE TO EXTERNAL NETWORK  
The invention relates to a residential gateway for providing an end user of a network terminal in a residential network with access to an external network, said residential gateway comprising at...
US20100315946 Failure protection for access ring topology  
In one embodiment, a method includes configuring a first node, located at an edge of a core network and connected to an access ring, with a maintenance end point for a virtual local area network...
US20090109842 Device Manager Having Authoritative Process Relations For Conforming State Data Upon Failover  
A device has first and second instances of a computer-executable manager. When a failure is detected in the first instance while it is active, the second instance is activated. During activation...
US20140307540 METHOD AND SYSTEM FOR MULTICHASSIS LINK AGGREGATION IN-SERVICE SOFTWARE UPDATE  
A method for performing an in-service software update in a MLAG domain. The method includes restarting the first switch using a second version of software, detecting by a second switch that the...
US20070253329 Fabric manager failure detection  
In a switch fabric including an active fabric manager and a standby fabric manager, a method that includes setting a timer for a duration and resetting the timer based on detection of a heartbeat...
US20120170448 Method and Network System for Implementing User Port Orientation in Multi-Machine Backup Scenario of Broadband Remote Access Server  
A method and network system for implementing user port locating in multi-machine backup scenario of broadband remote access server (BRAS) are disclosed. The method comprises: configuring master...
US20080037418 Method, system, apparatus, and program to link aggregate over independent redundant switches  
A method to link aggregate over independent redundant switches is provided for use in an apparatus including first, second, and third switches in a local area network (LAN). A first port of the...
US20140126353 BUILDING BASEBAND UNIT, BASEBAND PROCESSING PANEL, AND FAILURE PROCESSING METHOD FOR BASEBAND PROCESSING PANEL  
Disclosed are a building baseband unit, a baseband processing panel, and a failure processing method for the baseband processing panel. A direct path is introduced respectively for a baseband...
US20100202285 METHOD AND SYSTEM OF RESTORING FLOW OF TRAFFIC THROUGH NETWORKS  
An algorithm is presented, which may be used to generate LSPs for path-oriented virtual circuit networks. The algorithm maximizes throughput of traffic-flow through the network according to...
US20090316572 METHOD AND SYSTEM FOR MANAGING PORT STATUSES OF A NETWORK DEVICE AND RELAY DEVICE  
A method, a system for managing port status of a network device, and a relay device are provided in the field of network management. The method includes the following steps. A relay device detects...
US20120236708 SYSTEM AND METHOD FOR SESSION RESILIANCY AT GEO-REDUNDANT GATEWAYS  
A method, system and apparatus for managing a backup service gateway (SGW) associated with a primary SGW, the backup SGW periodically receiving from the primary SGW at least a portion of...
US20090154342 SYSTEMS AND METHODS FOR REDUNDANT SWITCH FABRIC AND SWITCH CONTROLLER  
The present invention combines switching and control functions on a single module while avoiding requirements to synchronize working and standby switch configuration information. The present...
US20100246383 Motherboard with backup network circuit  
A motherboard includes at least one backup network circuit except for a network circuit used in a normal setup. The motherboard includes a first network circuit, a second network circuit, a...
US20110164495 BRIDGING INFRASTRUCTURE FOR MESSAGE FLOWS  
A system, method and program product for proving a bridging infrastructure for handing failover situations using complimentary appliances. Each appliance includes: a first primary gateway...
US20100002577 GRACEFUL REMOVAL AND/OR INSERTION OF A NETWORK ELEMENT  
In one embodiment, when a network element is to be removed from or inserted into a network a Graceful Operations Manager schedules graceful shut-down and/or start-up routines for different...
US20070147233 Graceful failover mechanism for SSCOP service access point for SS7 links  
The invention includes two hosts having synchronized information to provide graceful failover for an SSCOP Service Access Point. Each host connected to the same SSCOP SS7 link, and has a Link...
US20140192633 SYSTEM AND METHOD FOR PROVIDING FAST AND EFFICIENT FLUSHING OF A FORWARDING DATABASE IN A NETWORK PROCESSOR  
Aspects of the disclosure pertain to a system and method for providing fast and efficient flushing of a forwarding database in a network processor. The present disclosure provides a deterministic...
US20120155247 METHOD AND APPARATUS FOR PROTECTING SUBSCRIBER ACCESS NETWORK  
Embodiments of the present disclosure disclose a method and an apparatus for protecting a subscriber access network, and relate to the field of communications. The method includes: connecting a...
US20130250752 DATA FORWARDING METHOD AND ROUTER  
A data forwarding method and a router are provided. The router includes: forwarding engines FEs, physical interface cards PICs, a first switch device and a second switch device, where the first...
US20140160919 METHOD AND NETWORK ELEMENT TO LIMIT SERVICE DISRUPTION DUE TO A FAILURE ON A LAYER 2 INTERFACE  
A method in an active network element. The network element is coupled with a standby network element by an inter-chassis communication channel used to synchronize session state for sessions...
US20090268608 METHOD AND DEVICE FOR AUTOMATICALLY CONFIGURING A VIRTUAL SWITCHING SYSTEM  
The invention relates to a plurality of common switching systems which are interconnected in order to form a virtual switching system. The number of the internal switching system is entered into...
US20050099956 Load distribution type network fault monitoring system and method of broadband router  
The present invention is a load distribution type network fault monitoring system of a broadband router, which is connected to a plurality of client terminals and which has a function of accessing...
US20100232287 METHOD AND NETWORK DEVICE FOR REALIZING SHARED MESH PROTECTION  
A method and a network device for realizing shared mesh protection are provided. The method includes the following steps. If a status change of a working label switching path (LSP) is detected,...
US20090003196 WIRELESS COMMUNICATION DEVICE INCLUDING A STANDBY RADIO  
A wireless communication device includes more than one radio. A lossless switching module allows for selectively using one of the radios in a standby mode. The switching module allows for...
US20070183315 CONNECTION SYSTEM, IN PARTICULAR A PLUG-IN CONNECTION SYSTEM FOR THE TRANSMISSION OF DATA AND POWER SUPPLY SIGNALS  
A connection system for the preferably contactless transmission of data and power supply signals between a sensor means and a base unit in a measuring and transmission system comprises a...
US20060159011 Detecting unavailable network connections  
A method for detecting unavailable network connections comprises, at a first data processing node that is hosting a transport protocol connection that uses a plurality of sequence values to...

Matches 1 - 50 out of 76 1 2 >