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A dual-routing configuration method for power optical fiber communication network services

A technology of power optical fiber and configuration method, which is applied in the field of power communication network, can solve problems such as the limited number of optical cables and difficulty in meeting the needs of actual projects, and achieve the effects of ensuring no overload, improving resource utilization, and load balancing

Inactive Publication Date: 2017-04-05
北京万可信息技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, the power communication network contains dual optical cables, the number of optical cables is limited when carrying line relay protection services, and the existing routing methods are more difficult to meet the needs of actual projects

Method used

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  • A dual-routing configuration method for power optical fiber communication network services
  • A dual-routing configuration method for power optical fiber communication network services
  • A dual-routing configuration method for power optical fiber communication network services

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Embodiment Construction

[0037] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0038] Figure 4 It is a flow chart of dual routing configuration for power services provided by the present invention, including:

[0039] (1) Determine the network parameters: build a reasonable network graph model G(V, E, W, Q, C) based on the actual network, where G is the network topology, V=﹛v 1 ,v 2 ,...,v n ﹜ is the node set of graph G, each element v in V i (i=1,2,…,n) is a node in graph G; E=﹛e 1 ,e 2 ,...,e m ﹜ is the edge set of graph G, each element e in E k (k=1,2...,m) (that is, some two elements v in V i and v j unordered pair) is a graph from v i to v j side, denoted as e k =(v i ,v j ); W=﹛w(v 1 ),w(v 2 ),…,w(v n ),w(e 1 ),w(e 2 ),…,w(e m )﹜ is the weight set of nodes and edges in graph G, where w(v i ) for node v i The weight of w(e k ) is side e k weight; Q=﹛q(e 1...

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Abstract

The invention discloses a dual-routing configuration method for power optical fiber communication network services. The method includes: establishing a reasonable and effective power optical fiber communication network service transmission model G(V, E, W, Q, C) according to the actual project; sorting the services according to the importance, and configuring two complete Disjoint routing (AP, BP), the new algorithm handles the bilateral (max﹛q(ek)﹜=2) network graph according to the actual situation, and allows setting the maximum carrying traffic c(ek) of each optical cable. The method of the present invention can meet the requirements of all power services that should be configured with two completely separated paths, and ensure that the services are still safe and reliable in the case of cable breakage and other failures. In addition, the present invention can handle the double-sided network graph mapped by the double optical cables, allows setting the carrying capacity of the optical cables, meets the actual engineering requirements, and has a certain effect on balancing the network load.

Description

technical field [0001] The invention belongs to the technical field of electric power communication networks, and relates to a dual-routing configuration method for electric power optical fiber communication network services. Background technique [0002] The power communication network carries a variety of services, among which the line relay protection service and security and stability control service have the highest security level. Correspondingly, the routing requirements are also very high, and dual routing is usually required. Taking the line relay protection business as an example, once the information transmission is wrong or fails, the protection equipment refuses to operate or malfunctions, which will cause a power outage and bring huge economic losses. Therefore, the relevant standards stipulate that two optical fiber composite overhead ground wires (OPGW) should be installed on single-tower double-circuit lines above 220kV, and at least one OPGW optical cable s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/711H04L12/803H04L45/247
Inventor 何玉钧王慧芳高会生陈冉
Owner 北京万可信息技术有限公司
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