A method and device for invoking services across regions in an electric power dispatching automation system

An automation system and power dispatching technology, which is applied in the field of call and service cross-region call, can solve the problems of unpacking and judgment performance loss, and achieve the effect of optimizing call performance

Active Publication Date: 2021-02-05
NARI TECH CO LTD +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (1) For each remote service call, the local proxy service needs to analyze the request to determine which remote dispatcher it should connect to. Unpacking and judgment will cause performance loss

Method used

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  • A method and device for invoking services across regions in an electric power dispatching automation system
  • A method and device for invoking services across regions in an electric power dispatching automation system
  • A method and device for invoking services across regions in an electric power dispatching automation system

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Embodiment Construction

[0035]The present invention will be further explained below in conjunction with the accompanying drawings of the specification.

[0036]The present invention provides a service cross-region calling method of a power dispatch automation system, such asfigure 2 As shown, including the following steps:

[0037]1) The local proxy server determines the cross-regional remote service information that needs to be accessed in this region, and determines the local re-published port number of the cross-regional remote service that needs to be accessed;

[0038]The remote service information includes the dispatching agency to which the remote service belongs, the node IP address of the service provider where the remote service is located, and the port number of the remote service running on the node IP address.

[0039]2) The local proxy server pre-establishes a TCP connection link to the remote proxy server at the opposite end according to the determined remote service information, and the pre-established...

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Abstract

The invention discloses a method and device for invoking services across regions of an electric power dispatching automation system, wherein the method includes the following steps: 1) the local proxy server determines the remote service information and the port number for republishing the remote service locally; 2) the local proxy server Establish a TCP connection link to the remote proxy server at the opposite end; 3) The local proxy server listens to the port number and waits for the access request; 4) The local proxy server applies for a unique ID number and sends the ID number and the access request to the remote proxy server at the opposite end; 5 ) The remote proxy server at the opposite end sends the access request to the designated service provider; 6) The remote proxy server at the opposite end returns the response result with the ID number along the TCP connection link; 7) The local proxy server returns the response result according to the ID number to service requesters. The remote service is republished in the region through the proxy gateway server to realize remote access to services between different scheduling agencies.

Description

Technical field[0001]The invention relates to a calling method, in particular to a service cross-region calling method and device of a power dispatch automation system in a multi-active environment, and belongs to the field of power dispatch automation.Background technique[0002]In power automation, in order to ensure the safety of the system, the dispatch automation systems at all levels are usually not directly reachable. If a node in a dispatch automation system needs to access the services of another dispatch automation system, it must pass through the local proxy gateway server. For example, for the currently widely used smart grid dispatching control system (D5000), dispatch agencies at all levels will configure two proxy gateway nodes. These proxy gateway nodes are routed to each other through the dispatch data network, and dispatch agencies at all levels The internal application server can only access the local proxy gateway node.[0003]The proxy service runs on the proxy gate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
Inventor 葛以踊郭海龙汪志成高宝山余璟万书鹏吴海伟樊海锋雷宝龙易强张凯
Owner NARI TECH CO LTD
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