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103 results about "NonStop" patented technology

Nonstop is a series of server computers introduced to market in 1976 by Tandem Computers Inc., beginning with the NonStop product line, which was followed by the Hewlett-Packard Integrity NonStop product line extension. Because NonStop systems are based on an integrated hardware/software stack, HP also developed the NonStop OS operating system for them.

Techniques for synchronizing application object instances

Techniques for synchronizing data object instances between applications / processes in an efficient manner. In one set of embodiments, the techniques described herein can be implemented in one or more network routers to synchronize data between a process running on an active management processor and a process running on a standby management processor, thereby facilitating features such as non-stop routing (NSR).
Owner:AVAGO TECH INT SALES PTE LTD

Failure detection and fault tolerance method and failure detection and fault tolerance system for real-time cloud platform

The invention relates to a failure detection and fault tolerance method and a failure detection and fault tolerance system for a real-time cloud platform. The system comprises a client used for sending a command, summiting a task and storing tasks assigned to working nodes in corresponding paths, a global state monitoring module used for monitoring the operation state of the working nodes, carrying out node-level failure detection and fault tolerance according to heartbeat information uploaded by the working nodes and performing migration of a task in a failure node, a global state storage module used for storing the working state and heartbeat information of the global state monitoring module and the working nodes, and working nodes used for performing a task, running a daemon process to guard a work process and performing program-level failure detection and fault tolerance. State information of a whole cluster is all stored in a Zookeeper system, a stateless architecture of the nodes is realized, a node failure does not cause state loss, the system has a perfect failure detection and fault tolerance mechanism, multilevel fault tolerance is realized, and uninterrupted operation of real-time services is guaranteed.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI

Method and system for controlling stable operation of application service program

The invention relates to a method and a system for controlling the stable operation of an application service program. The method for controlling the stable operation of the application service program comprises the following steps of: A, receiving a start monitoring command from an application server, and acquiring the current running time and the timeout time limit from the application server; B, receiving an updating command of the application server, and acquiring the running time of the updating from the application server; C, calculating the time difference between the running time of the updating and the running time of the last time, and comparing the time difference with the timeout time limit; and D, when the time difference is greater than the timeout time limit, generating restoration information, and controlling the restoration of the application server. The method and the system solve the stability problem of an automatic service program in the process of long-time running so that the automatic service program can be restarted automatically when the automatic service program is automatically terminated to ensure that the automatic service program runs incessantly, and the running state of the application program of the application service program is traced and analyzed.
Owner:SHENZHEN LAN YOU TECH

Software radar real-time dynamic updating system

The invention provides a software radar real-time dynamic updating system. The software radar real-time dynamic updating system comprises a radar component management center, a radar event manager, acomponent loader, a radar component service caller and a radar component database. According to the method for analyzing the dependency relationship of the radar components in the radar system, the safety and the stability of the software radar system are improved. The invention further provides a decoupling method between the radar assemblies, the radar assemblies operate independently as services after registration is completed, coupling generated by direct communication between the assemblies is avoided, decoupling between the radar assemblies is achieved, and the radar assemblies do not influence each other any more. According to the system, radar component updating is achieved through C + +, and compared with java type loading, the real-time performance is better; updating can be operated under different platforms supporting a dynamic link library or a shared library, and the advantage of uninterrupted updating is achieved; when the functions of the registered radar assemblies arecalled, the registered radar assemblies operate independently in a service mode, and coupling between the radar assemblies is reduced.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Dynamic theme and stable operation processing method of gateway based on MQTT protocol

The invention discloses a dynamic theme and stable operation processing method of a gateway based on an MQTT protocol. The invention relates to the technical field of MQTT protocol-based gateways. Atleast one gateway is connected with an MQ central server and is subjected to initialization setting, and TCP connection is established between the at least one gateway and the MQ central server; a client ID, an account and a dynamic password of MQTT are initialized; according to the gateway dynamic theme and stable operation processing method based on the MQTT protocol, TCP connection is established between a gateway and an MQ central server; an MQTT protocol is adopted for communication; in the whole process, the MQ central server distributes the connected gateway equipment to the corresponding MQ sub-server in a manner of distributing the connected gateway equipment to the corresponding MQ sub-server; according to the method disclosed in the invention, data load pressure is effectively reduced, data processing capability is enhanced, and operation stability of the whole system is ensured,; when the server fails, the gateway connected to the server can be allocated to the available MQsub-server, and therefore stable and uninterrupted operation of the system is ensured.
Owner:广州保仕盾智能科技有限公司

Method for realizing uninterrupted multicast traffic during migration of virtual machine

The invention relates to the technical field of computer networks, and discloses a method for realizing uninterrupted multicast traffic during migration of a virtual machine, which comprises the following steps of: copying an XML (Extensible Markup Language) configuration file of the virtual machine to a target host from a source host; establishing connection between the qemu process of the source host and the qemu process of the target host, and migrating the memory data in the virtual machine from the source host to the target host; the method comprises the following steps of: migrating a multi-partition snooping table item, which is related to a virtual machine, on a source host vswitch to a multi-partition snooping table of a target host vswitch, and migrating the multi-partition snooping table item on the source host vswitch to a multi-partition snooping table of the target host vswitch; and the virtualization management platform notifies the source host that the vswitch data migration is completed according to the success of the return of the multi-bridging table item added by the target host. According to the invention, the continuity of receiving the multicast traffic from the multicast source by the virtual machine can be ensured, and the problem that the multicast traffic is interrupted for a period of time due to migration of the existing virtual machine is solved.
Owner:CHINA TELECOM DIGITAL INTELLIGENCE TECH CO LTD

Control platform architecture design method for dynamic association context, storage medium and equipment

The invention discloses a control platform architecture design method for a dynamic association context, a storage medium and equipment. A control platform architecture based on the dynamic association context is constructed; the dynamic association context control platform architecture is simplified; a specific hardware architecture is defined by adopting a software programming mode; a task definition hardware architecture preset model is set in a software mode, four typical associated context models are preloaded in the task definition hardware architecture preset model, and a control platform architecture determines to select a model matched with a current task by sensing the task type and dynamically optimizing and configuring network parameters through a middleware programming model;and a task definition hardware architecture preset model is determined, and when a fault occurs in the use process, the task is migrated to another optical communication matrix switch through an optical communication matrix switch, and the control task is continuously executed. According to the invention, a traditional fixed embedded system architecture is broken through, and the hardware architecture is flexibly adapted to various applications through a software definition mode.
Owner:XIAN MICROELECTRONICS TECH INST
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