Distributed real-time data interaction method irrelevant to position

A distributed real-time, data interaction technology, applied in transmission systems, electrical components, etc., can solve the problems of inconvenient and flexible deployment, flexible expansion, inability to achieve location-independent, and inability to fully meet the project scale, etc., to achieve simple configuration and reduce The effect of difficulty and low technical requirements

Active Publication Date: 2020-03-31
CHINA RAILWAYS CORPORATION +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] 3. The SCADA system built in the form of a cluster cannot fully meet the scale of large, medium and small projects, especially micro projects (the whole system has only one node)
[0008] 4. In the process of engineering implementation and modeling, it is also necessary to pay attention to the deployment and operation model, not just focus on business modeling
[0009] 5. In the project configuration stage, it is necessary to configure the running location information of its related services. There is no way to achieve location-independent, which is not convenient for flexible deployment and flexible expansion during project implementation.

Method used

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  • Distributed real-time data interaction method irrelevant to position
  • Distributed real-time data interaction method irrelevant to position
  • Distributed real-time data interaction method irrelevant to position

Examples

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Embodiment 1

[0055] The present invention designs a distributed real-time data interaction method that has nothing to do with location, which can abandon the cluster system during operation and remove the centralized naming service; adopts the method of carrying business data based on business objects, simplifies configuration and implementation, and can The business data of the entire business system is flexibly split, and the entire business system in charge is allocated to each business object, which can be flexibly expanded and updated, and is suitable for various system scales (large, medium, and small projects). The following settings are especially adopted Method: Realized by networking a business system composed of at least one node in the same network, including the following steps:

[0056] 1) The application service software running on this node issues a data request that needs to run a business object that does not exist in this node;

[0057] 2) After receiving the data reques...

Embodiment 2

[0063] This embodiment is further optimized on the basis of the above embodiments, and the same parts as those in the foregoing embodiments will not be repeated here. Further, in order to better realize the present invention, the following setting methods are specially adopted: the above step 2) In , the request for querying the location of the service object is sent out by means of multicast.

Embodiment 3

[0065] This embodiment is further optimized on the basis of any of the above-mentioned embodiments, and the same parts as those of the foregoing embodiments will not be repeated here. Further, in order to better realize the present invention, the following setting methods are adopted in particular: the business The system includes at least one node that is networked in the same network, and application service software and intelligent perception service software are deployed on the nodes.

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Abstract

The invention discloses a distributed real-time data interaction method irrelevant to position, which is realized through a service system formed by at least more than one node networked in the same network. The method comprises the following steps that application service software running on the node sends a data request for running a service object which does not exist in the node; after receiving the data request, the intelligent sensing service software running on the node forms a request for inquiring the position of the business object and sends out the request; the intelligent sensing service software running on the rest nodes receives a request for inquiring the position of the business object; whether the business object exists in the node or not is judged, if yes, the query request of the position of the business object is responded by the intelligent sensing service software of the node where the business object is located, request information is sent to the node, and the intelligent sensing service software responds; and the application service software of the node and the application service software of the node where the business object is located establish a real-time data channel to realize real-time data communication.

Description

technical field [0001] The present invention relates to the fields of distributed system, SCADA system, data processing technology, etc., specifically, a distributed real-time data interaction method irrelevant to location. Background technique [0002] A distributed system is a software system built on the network, with a high degree of cohesion and transparency; in a distributed system, a group of independent computers form a unified whole when presented to users, as if it is a system like. Data Acquisition and Monitoring Control System (SCADA system) is a common application system in distributed real-time processing systems, and it is a distributed real-time processing system with high performance requirements; SCADA engineering application projects have long implementation process and configuration modification Frequent operations, in the real-time process of the project, with the continuous expansion of the system scale, the system network changes frequently, and the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/10H04L67/12H04L67/141H04L67/52
Inventor 陈奇志侯兵刘军陈琦卓建洪
Owner CHINA RAILWAYS CORPORATION
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