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Service request broker system in distributed network environment

A distributed network and service request technology, applied in the field of service request proxy systems, can solve the problems of inconvenient system integration and maintenance information sharing, and achieve the effect of reducing maintenance difficulty and workload.

Active Publication Date: 2012-09-26
BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a system for implementing service request agency in a distributed control system, which solves the problem that developers use self-defined standards to define protocols between devices due to the lack of unified integration standards, which is not convenient for later system integration and Maintenance and Information Sharing Issues

Method used

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  • Service request broker system in distributed network environment
  • Service request broker system in distributed network environment
  • Service request broker system in distributed network environment

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Embodiment Construction

[0030] First, the sequence of the communication process between the processes in the system in the same machine will be described.

[0031] figure 2 It is a sequence diagram of the interaction process between processes. We assume that A program and B program communicate. We assume that A is the server process and B is the client process. The interaction between them is as figure 2 As shown, the following describes the process of using the calling interface provided by the procedure call middleware between A and B.

[0032]First, the A process calls the wait (wait) interface, and then waits for other client processes to call it. After the client process B determines that it needs to call the service process A, it declares to call A through the Apply (request) interface; after receiving the call request from the B process, the A process calls its own function module, and after getting the result, it calls Reply (response) interface, returns the data requested by the B pro...

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Abstract

The invention discloses a service request broker system in a distributed network environment and belongs to the technical field of process calling of computers. The service request broker system comprises a server, a client, an object request broker standard module, process calling middleware and a service request broker. The service request broker system has the advantages that interfaces between the client and the server adopt unified standards, interface design is normalized, and the working load of a designer is reduced; a programmer does not need to care about the deployment position of a developed program on the network, and great convenience is provided for the debugging and test operation of the system; and when the network environment is changed, regardless of re-deployment of an application program or adjustment of network parameters of the server, maintenance can be finished by correcting parameters in corresponding parameter tables, and the maintenance difficulty of the system is reduced.

Description

technical field [0001] The invention belongs to the technical field of procedure invocation between computers, in particular to a service request proxy system in a distributed network environment, which implements remote procedure invocation in the distributed system. Background technique [0002] During the development of the metallurgical process control system, it is found that the distributed system is widely used, but due to the characteristics of the distributed system structure, the subsystems on each computer are highly autonomous, organically linked through the communication network, and obey the overall situation. It manages the resource scheduling of the system and accomplishes common task goals, thus forming a huge distributed system. In this complex distributed system, whether it is the global management system or each subsystem, it is composed of several or even dozens of processes. In order to coordinate the work of these scattered processes, it is the most im...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 李亮举彭会军李彦斌周月杰
Owner BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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