Matches 151 - 200 out of 735 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >
Match Document Document Title
7408874 Method for moving network elements with minimal network outages in an active ATM network  
A method for moving permanent virtual circuits in an ATM network with minimal downtime includes creating a list of the permanent virtual circuits to be moved; building a set of shadow permanent...
7406029 Fault tolerant optical data communication network having auto discovery  
A fiber-optic networking system that can survive a break in the fiber and restore full connectivity to all nodes in the network. The network can detect the presence of a cut in the fiber, locate...
7406038 System and method for expansion of computer network switching system without disruption thereof  
A switch fabric system comprises a first chassis for receiving a plurality of line cards each having a plurality of ports and at least two switch fabric cards wherein each line card comprises a...
7406030 Dynamic renegotiation of graceful restart time to avoid double-failure traffic loss  
Techniques are described for reducing the impact of failure of a primary and a secondary routing control unit within a network device, i.e., a double-failure of the network device. For example, a...
7400672 Method and system for detecting transmitter errors  
A system for detecting transmission errors in a data transmission system includes a receiver for receiving a data packet transmitted thereto by a corresponding transmitter and transmitting the data...
7397761 Routing restorable service-level-guaranteed connections using maximum 2-route flows  
A packet network employs restorable routing with service level guarantees. Restorable routing generates two disjoint paths through a network of nodes interconnected by links for a connection...
7397759 Response for spurious timeout  
A spurious timeout (STO) response allows a sending device to conservatively adjust congestion state parameters and maintain the packet flow, after detection of the STO. Since occurrence of an STO...
7394756 Secure hidden route in a data network  
A hidden pathway to a host is provided in an internetwork having an egress router coupled to the host. A selected port of the egress router is connected to the host as a hidden access port. A label...
7391717 Streaming of variable bit rate multimedia content  
Systems and methods for improved streaming of variable bit rate multimedia content are described. The described systems and methods solve some streaming problems by streaming the variable bit rate...
7392445 Autonomic bus reconfiguration for fault conditions  
Methods and apparatus are provided that allow an electronic system having a signaling bus with a fault on a signaling conductor to operate at a degraded performance. A block of data is transferred...
7391718 Swapping a nonoperational networked electronic system for an operational networked electronic system  
A method of switching a network access configuration associated with a first electronic system to a second electronic system via a network is described. The first electronic system is inoperable....
7388827 High speed dissemination of failure information in mesh networks  
A method for high speed dissemination of information about faults in spans that interconnect nodes in a telecommunication mesh-type network, the method comprises creating a Failure Updating channel...
7389469 Bus systems, apparatuses, and methods of operating a bus  
Data transmission between transmitting/receiving nodes in a bus system may be controlled based on an error check of received data. When an error in the received data is detected, the transmitting...
7385917 Method and system for providing a protection path for connectionless signals in a telecommunications network  
A method is provided for providing protection for connectionless signals in a telecommunications network comprising a plurality of nodes. A first protection path is generated from each of the nodes...
7385942 System for maintaining the integrity of remote data by making it disposable  
In a networked system having a protected central server network connected to one or more satellite servers, the central server includes master data, and each satellite system includes replicated...
7385918 Packet protection method and transmission device in ring network, and program therefor  
Two transmission devices connected to a link in which a failure occurs turn back a ring. Other transmission device changes a transmission ring of an NNI packet which is a UNI packet whose...
7382720 Active/standby switching system and active/standby switching method  
An active/standby switching system includes two AAL 2 (ATM Adaptation Layer Type 2 ) cell assembling/disassembling processor units ( 20, 30 ) as an active system and a standby system so that...
7379864 Method and apparatus for the detection of previous packet loss in non-packetized speech  
A method and apparatus for detecting previous packet loss in non-packetized speech by applying one or more filters to a segment of said non-packetized speech, each of said one or more filters...
7380017 Route protection in a communication network  
A communications network comprises a lower transport layer and an upper overlay incorporating a plurality of routers. Adjacencies are defined between respective pairs of routers. Path protection is...
7379418 Method for ensuring system serialization (quiesce) in a multi-processor environment  
A method of ensuring system serialization in a multiprocessor multi-nodal environment is used to force all processors in a multiprocessor environment to temporarily suspend operations while one...
7379444 Method to recover from node failure/recovery incidents in distributed systems in which notification does not occur  
Epoch numbers are maintained in a pair wise fashion at a plurality of communication endpoints to provide communication consistency and recovery from a range of failure conditions including total or...
7376731 System and method for providing statistics gathering within a packet network  
A system and method for providing statistics gathering within a packet network is disclosed. The system comprises a network processor, a traffic manager, a host processor, and a field programmable...
7376077 Data monitoring and recovery  
In one embodiment, a method for DMR includes generating first tracking reports of first data units received at one or more receptors from one or more remote units, generating second tracking...
7376088 Redundant communication network of the switched full-duplex ethernet type and a management method of the redundancy of such a network, notably in the avionic domain  
A redundancy management method of a switched full-duplex Ethernet communication network includes at least two independent elementary networks each of which includes at least one source equipment...
7372803 Apparatus and method for establishment and protection of connections within mesh networks  
A node within a mesh network includes an Optical Connection Controller (OCC) and a network element. When a connection path within the mesh network is required, an OCC determines if a particular...
7373544 Concept of zero network element mirroring and disaster restoration process  
There is provided a system and method of disaster restoration of service of damaged or destroyed telecommunication network elements. A controller component is configured to select a damaged or...
7369488 Wireless LAN apparatus for changing packet length according to changing conditions  
A packet synthesizing unit packetizes transmit data and thereby creates a transmit packet data, and more specifically, synthesizes the number of the transmit data indicated by a packet-length...
7369769 Ethernet passive optical network ring and its method of authorization and collision detection  
An Ethernet passive optical network (EPON) ring for providing protection against fiber failures. The optical network unit (ONU) is coupled to the ring fiber by a three-port passive optical...
7363382 Apparatus, methods, and articles incorporating multiple path failover driver mechanism  
A system and method of maintaining connectivity between a host computer and a target on a storage router. A failover driver is established in a stack of an operating system of the host computer. A...
7359315 Method, system, and computer program product for avoiding data loss during network port recovery processes  
A method, system, and computer program product are disclosed in a data processing system for avoiding data loss during network port recovery. A first network port is linked to a second network port...
7355983 Technique for graceful shutdown of a routing protocol in a network  
A graceful shutdown technique modifies a routing protocol to allow an intermediate node, such as a router, to announce to its peer routers (peers) its intention to be gracefully shutdown and...
7355985 Automatic update of squelch tables for optical network applications  
A method and system for processing a squelch table for optical network applications. The method includes receiving a first cross-connection entry associated with a first cross-connection and a...
7355965 Apparatus and method for rapid detection of unidirectional breaks in a network ring  
Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of...
7352692 Resource reservation scheme for path restoration in an optical network  
A method for reserving resources for restoration of a failed virtual path in a mesh optical network is defined. The method in one embodiment, defines multiple classes of service for the virtual...
7352693 Fault tolerant wireless communication systems and methods  
Systems and methods for fault tolerant communication are provided. A base site is coupled to a central office via a channel service unit. The channel service unit is coupled to the central office...
7349326 Control of inter-zone/intra-zone recovery using in-band communications  
A method of communicating information regarding a failure is disclosed. The method includes generating failure information. The failure affects a virtual path, which is between a first node and a...
7349512 Clock synchronization in a distributed system  
The present invention provides an improved clock synchronization algorithm for a distributed system intended for real time applications by performing at the same time an off-set correction and a...
7349345 Method and apparatus for testing communications between a network edge device and a customer premises device  
A method and apparatus for testing communications within a broadband network between a network edge device and a customer premises device. Network data traffic is diverted from the customer...
7349370 Method for managing neighbor nodes and setting a routing path in a mobile ad-hoc network environment and network apparatus using the same  
A method and network apparatus for setting a routing path and managing a neighbor node in mobile ad hoc, network environment are provided. The method for setting a routing path in mobile ad hoc...
7349327 System and method for remotely updating a network device  
A router in one embodiment of the present disclosure has first router logic and boot logic. The first router logic is configured to operate the router, and the boot logic is configured to receive...
7346771 Key distribution across networks  
Systems and methods are provided for managing and distributing keys between routers using protocol exchange messages between routers as key distribution vehicles. According to one embodiment of the...
RE40148 Switched connections diagnostics in a signalling network  
A method is disclosed for detecting and diagnosing faults in a network. The network has a plurality of nodes through which switched virtual connections can be established. First, all attempts at...
7339886 System and method for synchronizing SGSNs and a GGSN  
A system and method for synchronizing SGSNs and GGSN in a mobile communication system that guarantees synchronization until a malfunction, if any, in an NTP server is cured. If malfunction occurs...
7339887 Multipoint protected switching ring  
Normal 802.3 Ethernet requires a tree topology. If a ring or a loop exists, then packets will be forwarded around the ring indefinitely. If the ring is broken, then there is no possibility of...
7339897 Cross-layer integrated collision free path routing  
A true cross-layer integration of functions is provided on several protocol layers within a network, thus providing a unified approach to Quality of Service (QoS) provisioning in a multihop...
7339885 Method and apparatus for customizable surveillance of network interfaces  
A method in a data processing system for monitoring for errors on a network. Responsive to detecting a change in a state of the network, determine whether the change in state is a loss of a...
7336602 Apparatus and method for wireless/wired communications interface  
An apparatus and method for wireless/wired Bluetooth™ communications interface are described. The method includes detection of a communications configuration of a device as one of a wireless...
7333438 Priority and policy based recovery in connection-oriented communication networks  
A recovery method for use in a connection-oriented network having nodes interconnected by links for establishing connections within the network, the method described enables the recovery of...
7330423 High-speed digital subscriber line (HDSL) packet abort retry during channel blocking  
An apparatus and method is described that allows for improved transmission of EOC data over the EOC channels of communication devices and links, reducing the number of dropped EOC packets and...
7327691 System and method for satellite-based transmission of voice signals using an otherwise dedicated wireless channel  
In a wireless communication system ( 20 ) configured for default communication of subsectional signals of a first transmit signal ( 72/73 ) over multiple wireless channels ( 46 ), a signal selector...
Matches 151 - 200 out of 735 < 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >