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8117488 |
Cluster neighborhood event advisory
Database server instances in a database server cluster broadcast, to other instances in the cluster, information concerning certain problem events. Because each server instance is aware of problems...
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8117486 |
Method and system for detecting an anomalous networked device
Methods and systems for detecting one or more anomalous devices are disclosed. For each of a plurality of devices, semi-structured data may be received from the device. For each pair of devices, of...
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8112660 |
Router synchronization
Example systems and methods associated with router synchronization are described. One example method includes reducing a likelihood that a first network device will be favored over a peer device as...
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8107612 |
Distributed session-based data
Session-based data, such as call detail accounting information, is tracked and distributed to a plurality of servers in a distributed telephony environment. One type of session is a telephone call...
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8086895 |
Management method and system for managing replication by taking into account cluster storage accessibility a host computer
A management system, which manages a host computer and a storage system, holds cluster information, specifies an active-state host computer and an inactive-state host computer based on a backup...
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8069139 |
Transitioning of database service responsibility responsive to server failure in a partially clustered computing environment
A facility is provided for transitioning a database service from a failing, primary server to another server of a computing environment including a plurality of servers, at least some of which have...
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8060775 |
Method and apparatus for providing dynamic multi-pathing (DMP) for an asymmetric logical unit access (ALUA) based storage system
A method and apparatus for providing dynamic multi-pathing for an asymmetrical logical unit access (ALUA) based storage system. The method comprises identifying a first processor within a storage...
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8055935 |
Dynamic adaptation in web service composition and execution
Dynamic adaptation is provided within web service composition and execution. Within a logical composition stage, a set of abstract workflows for a web service is selected from a number of generated...
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8006124 |
Large-scale cluster monitoring system, and method of automatically building/restoring the same
Provided are a large-scale cluster monitoring system and a method for automatically building/restoring the same, which can automatically build a large-scale monitoring system and can automatically...
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8004962 |
Method and system of addressing a problem associated with a network including a video access ready device
A method can be used to detect a problem, isolate the cause of the problem to a particular device in which the cause resides, and potentially repairing the particular device. In one embodiment, the...
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8001413 |
Managing cluster split-brain in datacenter service site failover
A central controlling service for datacenter activation/deactivation control in a cluster deployment to assist in preventing a split-brain scenario. The central controlling service provides a...
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7873861 |
Apparatus to use fabric initialization to test functionality of all inter-chip paths between processors in system
A method, apparatus, and program for systematically testing the functionality of all connections in a multi-tiered bus system that connects a large number of processors. Each bus controller is...
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7574620 |
Method for operating an arrangement of a plurality of computers in the event of a computer failure
A method is established for operating an arrangement of a plurality of computers that are configured to execute software units. Continuous monitoring of the plurality of computers and intervening...
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7536582 |
Fault-tolerant match-and-set locking mechanism for multiprocessor systems
A match-and-set lock has a locked operating state and an unlocked operating state controlled by the value C. The lock returns a value R=C, to an inquiring user seeking access to the resource. A...
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7489625 |
Multi-stage packet switching system with alternate traffic routing
In general, in one aspect, the disclosure describes a multi-stage switch having a plurality of ingress switching modules to receive data and to generate frames that are transmitted as a wavelength...
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7480832 |
Centralized error signaling and logging
A device, method, and system are disclosed. In one embodiment, the device comprises one or more error receiving units, each operable to receive error requests from a given layer in a protocol and...
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7461291 |
Arbitration method and system for redundant controllers, with output interlock and automatic switching capabilities
A method of providing arbitration for redundant controllers is provided, which includes: providing logic for automatically determining which controller of redundant controllers is active...
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7430684 |
Method to use fabric initialization to test functionality of all inter-chip paths between processors in system
A method, apparatus, and program for systematically testing the functionality of all connections in a multi-tiered bus system that connects a large number of processors. Each bus controller is...
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7430687 |
Building-up of multi-processor of computer nodes
In an aspect of the present invention, a computer system includes a plurality of computer nodes and an inter-node connecting unit configured to connect the plurality of computer nodes. Each of the...
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7400644 |
Digital signal processing apparatus and method, and digital signal processing system
There are provided in a rate control command a clock rate select subfunction (SYNC SELECT) to which a digital signal receiver side corresponds, a base rate set subfunction (BASE CONFIGURE), a flow...
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7386614 |
Method allowing persistent links to web-pages
A system that enables creation of URL addresses in which the path information is partially or entirely symbolic. The symbolic path information is maintained even after the physical path information...
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7380174 |
Variable writing through a fixed programming interface
Embodiments include writing a first data value to a validation variable through a fixed programming interface, where the validation variable includes multiple fields that correspond to multiple...
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7373522 |
Smart card with enhanced security features and related system, integrated circuit, and methods
An integrated circuit (IC) may include at least one smart card memory for storing a set of default requests and at least one alternate request for each default request. The IC may further include a...
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7372834 |
Method of controlling transmission power of retransmission packet and mobile terminal using the same
The transmission power of a retransmission packet is controlled in the event of a packet retransmission request being sent from a receiving side in a wireless mobile communication system supporting...
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7363525 |
Bidirectional inline power port
A method and apparatus for bidirectional provision of inline power over data telecommunications cabling permits power to be received at a local powered device (PD) from remote power sourcing...
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7356531 |
Network file system record lock recovery in a highly available environment
A computer accessible medium may be encoded with a plurality of instructions which, when executed in a first node of a plurality of nodes in response to a fail over of a first service group of a...
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7302607 |
Two node virtual shared disk cluster recovery
A method for recovery in a two-node data processing system is provided wherein each node is a primary server for a first nonvolatile storage device and for which there is provided shared access to...
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7275176 |
Automatic reconnect and reacquisition in a computer investigation system
An examining machine automatically reconnecting to a target machine and resuming acquisition of data stored in a device coupled to the target machine. The examining machine establishes connection...
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7272746 |
Redundancy scheme for network processing systems
A redundancy architecture is described for network processing systems which allows the network to recover from failure of a network processing system without interruption in service. The redundancy...
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7266715 |
Methods and apparatus for maintaining a virtual private network connection
A client device establishes a virtual private network connection with a central site or network through a master concentrator. The master concentrator transmits state information, relating to the...
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7259666 |
Method and system for displaying status indications from communications network
A method and system for displaying status indications from a communications network is provided. Alert identifiers are provided that identify a communications-network alert to be presented to a...
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7254739 |
Error recovery in a client/server application using two independent sockets for communication
A technique for recovering from a socket error at a computer host. The host opens two sockets for communicating with respective sockets at another host. Failure recovery processes are provided for...
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7191228 |
Health checker for EMS CORBA notification listener
A system and method is described for checking the health status of a communication pathways between an EMS and a notification listener that receives notification signals from the EMS when changes...
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7191356 |
Method for asynchronous support of fault-tolerant and adaptive communication
An invention is provided for affording asynchronous fault-tolerant and adaptive communication in a distributed computing environment. The invention includes periodically updating a stored...
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7178051 |
Method for synchronous support of fault-tolerant and adaptive communication
An invention is provided for fault-tolerant and adaptive communication in a distributed computing environment. The invention includes detecting an interruption in a digital connection on a network...
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7149919 |
Disaster recovery system with cascaded resynchronization
A disaster recovery system with sequenced cascaded resynchronization comprises a plurality of data centers and a distributed control system. The individual data centers comprise a communication...
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7139925 |
System and method for dynamic cluster adjustment to node failures in a distributed data system
A distributed system provides for separate management of dynamic cluster membership and distributed data. Nodes of the distributed system may include a state manager and a topology manager. A state...
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7139805 |
Scalable java servers for network server applications
A system for providing Java-implemented Application Servers to a plurality of clients. Each of the Java-implemented Application Servers is configured to execute on a processing element of a server...
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7032124 |
Method of automatically correcting broken links to files stored on a computer
A method of correcting broken software links includes providing a computer data storage having target files and master files. Each master file includes a pointer to a storage location where at...
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6993681 |
Remote administration in a distributed system
A method and system for remote administration of clients performing critical processes are disclosed herein. A client management module is used to monitor a subset of processes performed by a...
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6963994 |
Managing connections to coupling facility structures
System-managed duplexing of coupling facility structures. A plurality of instances of coupling facility structures are maintained in a plurality of coupling facilities. Duplexing processing...
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6952766 |
Automated node restart in clustered computer system
An apparatus, program product and method initiate a restart of a node in a clustered computer system using a member of a clustering group that resides on a different node from that to be restarted....
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6944787 |
System-managed duplexing of coupling facility structures
System-managed duplexing of coupling facility structures. A plurality of instances of coupling facility structures are maintained in a plurality of coupling facilities. Duplexing processing...
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6880100 |
Peer-to-peer fault detection
This inventions discloses a fault or abnormal status detection mechanism applied to distributed networks considering a shared media. A set of programmed routines executing in every node connected...
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6877107 |
Method for ensuring operation during node failures and network partitions in a clustered message passing server
A means for guaranteeing the proper behavior as specified by the JMS semantics of clustered message server when the individual computer that comprise the cluster are separated by a network...
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6807557 |
Method, system and program products for providing clusters of a computing environment
Various components are provided to manage a clustered environment. These components include a System Registry that provides a global data storage; a Configuration manager that stores data locally...
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6801937 |
Method, system and program products for defining nodes to a cluster
Various components are provided to manage a clustered environment. These components include a System Registry that provides a global data storage; a Configuration manager that stores data locally...
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6760859 |
Fault tolerant local area network connectivity
Method, program product, and apparatus for providing a nondisruptive takeover by a backup adapter when an adapter from a group of adapters connecting a data processing system to a Local Area...
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6756898 |
Network termination device, alarm transfer system and alarm transferring method
Provided is a mode of alarm transfer for use in a system for transmitting an encapsulated Ethernet signal between an Ethernet termination device (110) connected to a terminal (100) and an Ethernet...
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6751748 |
Context redundancy system on a wireless and packet-based telecommunications network interface
The present invention is a redundancy system in the interface between a wireless and packet-based telecommunications network. The redundancy system includes back-up support components coupled to...
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