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| Application No. | Application Title | Issue Date |
| 20120127856 | 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 equipments, a backup network equipment used for backing up one of the n network ... | 05/24/2012 |
| 20120082026 | APPARATUS AND METHOD FOR PROTECTION SWITCHING FOR MESH TOPOLOGY Provided are a shared mesh protection switching apparatus and method. The shared mesh protection switching apparatus includes a plurality of linear protection switching processors allocated to the linear protection domains respectively and configured to provide a switch... | 04/05/2012 |
| 20120039165 | Network Interface A network interface includes a first port configured for communicatively coupling to a first interface for selectively passing communication signals between the first interface and a processor communicatively coupled to the network interface; a second port configured fo... | 02/16/2012 |
| 20110216646 | 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 least one network terminal interface arranged to provide an internal connec... | 09/08/2011 |
| 20110164495 | 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 configured for communicating a first message flow; a standby gateway configured fo... | 07/07/2011 |
| 20110096659 | 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 energy usage and a secondary adapter that is disabled. This default confi... | 04/28/2011 |
| 20100315946 | 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 on a port connecting the first node to the access ring. The first node oper... | 12/16/2010 |
| 20100246383 | 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 network port, a switch circuit and a driver. The switch circuit is configured fo... | 09/30/2010 |
| 20100232287 | 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, routing information and bandwidth information about the working LSP are noti... | 09/16/2010 |
| 20100226244 | 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 trunk and a branch path. The multicast path is managed by end-to-end and wh... | 09/09/2010 |
| 20100202285 | 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 certain constraints which may selected to suit various scenarios and recovery sc... | 08/12/2010 |
| 20100097927 | METHOD AND APPARATUS FOR AUTOMATING THE DETECTION AND CLEARANCE OF CONGESTION IN A COMMUNICATION NETWORK A method and apparatus for enabling a network to determine the call volume rate versus the call blocking rate on a predefined time interval basis over multiple predefined time intervals are disclosed. For example, if call blocking rates do not show a progressive trend o... | 04/22/2010 |
| 20100046365 | MULTIPLE-PROTECTION SYSTEM AND CONTROL METHOD IN A COMMUNICATION DEVICE A multiple-protection system in a communication device, includes: a plurality of working units; at least one protection unit; and a unit controller controlling unit switching from a failed working unit to a protection unit, wherein each of the plurality of working units... | 02/25/2010 |
| 20100020680 | 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 first downlink connection with a dual-homed device to an uplink connection... | 01/28/2010 |
| 20100002577 | 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 protocols and/or components on the network element in an optimal order based on d... | 01/07/2010 |
| 20090316572 | 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 working status of ports in a logic group, and the ports are mounted on th... | 12/24/2009 |
| 20090268608 | 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 the numbering of the port of the virtual switching system thus making a sta... | 10/29/2009 |
| 20090161534 | Network relay apparatus A network relay apparatus receives sub data different from main data by data transmission/reception processing units of a working system and a spare system, and when communication paths of the working system and the spare system are both working normally, makes the sub ... | 06/25/2009 |
| 20090154342 | 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 invention eliminates the idea of redundant working and standby control/switchin... | 06/18/2009 |
| 20090109842 | 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 of the second instance, a conforming first process of the second instance c... | 04/30/2009 |
| 20090003196 | 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 switching in the standby radio in the event that another radio fails without intro... | 01/01/2009 |
| 20080285438 | METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING FAULT-TOLERANT SERVICE INTERACTION AND MEDIATION FUNCTION IN A COMMUNICATIONS NETWORK Methods, systems, and computer program products for providing fault-tolerant service interaction and mediation function in a communications network are disclosed. According to one aspect, the subject matter described herein includes a method for providing fault-tolerant... | 11/20/2008 |
| 20080259787 | BACKUP CELL CONTROLLER A wireless local area network for data communications between a computer and mobile units is provided with at least two cell controllers connected to the computer and one or more rf ports each connected to a primary interface of one cell controller and to a backup inter... | 10/23/2008 |
| 20080175141 | Distributed protection switching architecture for point-to-point microwave radio systems A system and method for protecting a received data stream. Active receivers and standby receivers are provided, each adaptable to receive a data stream on a traffic channel. Plural data processing units are operatively in communication with the receivers. At least one o... | 07/24/2008 |
| 20080175142 | 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 active port from among the ports, and identifies a port other than the activ... | 07/24/2008 |
| 20080123522 | 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 method further includes communicatively coupling a plurality of redundant... | 05/29/2008 |
| 20080095045 | Method and Apparatus for Detecting MPLS Network Failures 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 system that the downstream traffic arrived in tact and was properly handl... | 04/24/2008 |
| 20080068986 | METHOD AND SYSTEM FOR OPTIMIZED SWITCHOVER OF REDUNDANT FORWARDING ENGINES A method of failure recovery in a network element is disclosed. The method includes indicating to a number of forwarding engines that a forwarding engine has completed a switchover operation and causing at least one of the forwarding engines to acknowledge that the forw... | 03/20/2008 |
| 20080037418 | 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 first switch is connected to a first port of the second switch, a second por... | 02/14/2008 |
| 20080008088 | Wireless switch network architecture implementing mobility areas within a mobility domain Techniques are provided for configuring wireless switches within a mobility domain. In one implementation, a first designated wireless switch and a first client wireless switch are configured as part of a first mobility area of the mobility domain. An internal peering s... | 01/10/2008 |
| 20070264971 | Method and System for Router Redundancy in a Wide Area Network A method for selecting an active router in a communication device includes providing multiple routers in the device, coupling the routers to a single physical link, monitoring a status for each of the routers, and selecting one of the routers as an active router by posi... | 11/15/2007 |
| 20070253329 | 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 message from the standby fabric manager via a path in the switch fabric. I... | 11/01/2007 |
| 20070183315 | 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 sensor-side and a base-side connection element. There is provided in at least one o... | 08/09/2007 |
| 20070147233 | 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 Manager, SSCF-NNI layer, and SSCOP layer. For each link, there is an instance ... | 06/28/2007 |
| 20070140111 | Method and system for preventing data packet loss in a redundant PDSN environment A method and apparatus are provided for preventing data-packet loss upon a switchover from an active to a standby PDSN, in a redundant PDSN environment. Data-packet loss is prevented by modifying the checking of the sequence number associated with the data-packets. The ... | 06/21/2007 |
| 20070076594 | Method and system of providing redundancy in a network device Systems and methods for redundancy in a network device are disclosed. An exemplary network device comprises: a plurality of data forwarding elements (DFEs); and a redundant control plane. The redundant control plane comprises: an active control processor for configuring... | 04/05/2007 |
| 20060285488 | PACKET SWITCHING SYSTEM AND METHOD A packet switching system capable of ensuring the sequence and continuity of packets and further compensating for delays in transmission is disclosed. Each of two redundant switch sections has a high-priority queue and a low-priority queue for each of output ports. A hi... | 12/21/2006 |
| 20060215547 | Network transparent OSPF-TE failover A method and apparatus for providing link state routing protocol redundancy in a router. A router includes an active controller and at least one standby controller. An internal adjacency relationship is established between the active controller and the standby controlle... | 09/28/2006 |
| 20060203718 | Method, apparatus and program storage device for providing a triad copy of storage data A method, apparatus and program storage device for maintaining data is provided that includes receiving primary data at a first node, receiving mirrored data from a second and third node at the first node, and mirroring data received at the first node to a second and th... | 09/14/2006 |
| 20060182020 | Point-in-time data replication method apparatus and system An apparatus, system, and method are disclosed for replicating point-in-time copies of local data to a remote site. The present invention mirrors point-in-time copy directives on the local data store to initiate a point-in-time copy operation on the remote copy of the l... | 08/17/2006 |
