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A Fast Recovery Method for Composite Web Service Failure

A fast recovery and web service technology, applied in digital transmission systems, data exchange networks, electrical components, etc., can solve the problems of high system overhead and low failure recovery efficiency, and achieve failure decision optimization, occupy less resources, and shorten the time. The effect of failure recovery time

Active Publication Date: 2020-12-29
中国人民解放军32801部队
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The advantage of this method is that it has less impact on the composite service itself. The disadvantage is that when restarting the composite Web service, some atomic services that are unnecessary to restart will be restarted, the system has a large additional overhead, and the efficiency of fault recovery is low.

Method used

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  • A Fast Recovery Method for Composite Web Service Failure
  • A Fast Recovery Method for Composite Web Service Failure
  • A Fast Recovery Method for Composite Web Service Failure

Examples

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Embodiment Construction

[0036] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0037] The invention proposes a combined Web service failure fast recovery method, which mainly includes failure check point setting, execution topology acquisition, failure detection and location and failure recursive recovery.

[0038] figure 1 It is an overall flow chart of a fast recovery method for composite Web services provided by the present invention.

[0039] S1: Failure checkpoint setting.

[0040] The fault checkpoint...

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Abstract

The invention discloses a fast recovery method for composite Web service failure. Including the following steps: 1) setting a fault checkpoint in each atomic service of the composite Web service, the fault checkpoint monitors the atomic service where it is located, and sends monitoring information to the outside; 2) Sets a detection agent M-Agent at the server end of the composite Web The agent M-Agent receives the monitoring information sent by the failure checkpoint, and obtains the actual execution topology of the composite Web service; 3) The detection agent M-Agent locates the failed atomic service of the composite Web service; 4) Sets multiple R‑Agent, a level recovery agent, restarts failed composite Web services using a micro-restart-based recursive recovery method. By adopting the failure fast recovery method of the combined Web service of the present invention, the failure recovery of the combined Web service can be quickly and efficiently completed, and the reliability of the combined Web service can be improved.

Description

technical field [0001] The invention relates to the field of computer networks and applications, in particular to a fast recovery method based on Web service failure. Background technique [0002] Distributed computing based on Web services is the main trend in the development of the Internet. The rapid development and wide application of Web services have promoted the prosperity of Web service composition technology. Web technology is characterized by high interoperability, cross-platform, and loose coupling. Collaboration between services enables large composite services. However, the network environment where Web services are located is an unreliable and heterogeneous dynamic environment. Network failures, service denial attacks, infrastructure failures, atomic service updates and upgrades may cause service operation failures, or even unavailability and loss of response. , hindering the application and promotion of Web service composition technology. Therefore, how to q...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L29/08H04L29/06
CPCH04L41/0654H04L41/0677H04L41/0631H04L41/065H04L67/02H04L67/51H04L67/133
Inventor 王鹏陈亮熊达鹏衣双辉蔡军包阳何骏施寅生
Owner 中国人民解放军32801部队
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