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Route establishing method and system for distinguishing reliability by power ICT (Information and Communication Technology) network

A reliability and routing technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problem of low utilization of network resources, and achieve the effect of improving utilization and reducing network resources.

Active Publication Date: 2010-09-29
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a method and system for establishing a route for distinguishing reliability of electric power ICT networks, so as to solve the problem of low utilization of network resources in the prior art

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  • Route establishing method and system for distinguishing reliability by power ICT (Information and Communication Technology) network
  • Route establishing method and system for distinguishing reliability by power ICT (Information and Communication Technology) network

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Embodiment Construction

[0030] Firstly, a method for establishing a route for distinguishing reliability of an electric power ICT network disclosed in the present invention is described, including: layering the original network topology map, wherein one layer is the physical layer, and the other layer is the shortest path pair layer. The layer is the same as the original network topology map, and the shortest path pair layer contains all the shortest path pairs that can be established in the original network topology map; on the premise of meeting the maximum failure probability allowed by the connection request, find the source from the layered model The route with the least cost from the node to the destination node; matching the route with the least cost with the original network topology map to find the route with the least cost under the condition of the maximum failure probability allowed by the connection request in the original network topology map.

[0031] The present invention makes the sho...

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Abstract

The invention discloses route establishing method and system for distinguishing reliability by a power ICT (Information and Communication Technology) network. The method comprises the following steps of: delaminating an original network topological graph, wherein one layer is a physical layer, the other layer is a shortest path pair layer, the physical layer is the same with the original network topological graph, and the shortest path pair layer comprises all shortest path pairs which can be established in the original network topological graph; searching a least cost route from a source node to a destination node from a delaminating model on the premise of meeting maximal failure probability allowed by a connecting request; and matching the route with the original network topological graph and finding out the least cost route under the condition of meeting the maximal failure probability allowed by the connecting request from the original network topological graph. The shortest path pair layer comprises all the shortest path pairs which can be established in the original network topological graph when a delaminating network model is constructed, thereby finding out the least cost route on the premise of meeting reliability and reducing network resources consumed by the route and improving the utilization ratio of network resources.

Description

technical field [0001] The present invention relates to the technical field of electric power information and communication, and more specifically relates to a method and system for establishing routes for distinguishing reliability of electric power ICT networks. Background technique [0002] Electric power information and communication technology (ICT, Information and communication technology) network is one of the important supporting networks for power system operation, and it is an important foundation for intelligent power grid operation, informatization of power grid management methods, and automatic power dispatching. With the development of multi-service forms of the power grid, diversified business forms have emerged in power grid operation and management, including voice services, data services, and video services in administrative management, electric energy measurement and collection, conference TV, and image monitoring. At the same time, the network structure o...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/24H04L45/02
Inventor 刘建明祁宏鹏吴润泽唐良瑞孙凤杰王一蓉
Owner STATE GRID CORP OF CHINA
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