知识图谱在光传送网络智能运维中的应用研究

doi:10.11959/j.issn.1000-0801.2024074

Abstract

Abstract:

In order to solve the problems of high cost, low efficiency, and weak intelligence in the traditional operation and maintenance mode of optical transport networks, the research status and challenges of knowledge graph technology in the telecom industry were analyzed.Firstly, an intelligent operation and maintenance system architecture for optical transport networks based on knowledge graphs were proposed.Key technologies such as network state perception, knowledge graph construction, and open search capabilities were emphatically studied.Secondly, the application of intelligent cutover in a city branch of China Telecom was taken as an example, the application effect was analyzed, and the test showed that the cutover efficiency was improved by about 3 times.Finally, the development trend of intelligent operation and maintenance of optical transmission networks based on knowledge graphs was discussed.

Key words: knowledge graph, optical transport network, intelligent operation and maintenance

CLC Number:

TP393

Ganggang YANG, Zhugui SHAO, Fengliang SHANG, Jianrong XU, Cui LIU. Research on the application of knowledge graph in intelligent operation and maintenance for optical transport network[J]. Telecommunications Science, 2024, 40(3): 136-146.

Figures/Tables 7

References 15

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数据类型	采集系统	数据子类	数据详情
有源数据	网络管控系统	设备数据	网元信息、机架信息、板卡信息、端口信息
		拓扑数据	拓扑连接：终端点、网元等连通性信息；时延、带宽、风险等评估信息
		业务数据	业务终端点、业务速率、保护恢复信息、业务路由、交叉连接等
		告警数据	当前告警、历史告警
		性能数据	当前性能、历史性能，包括光系统性能，如光功率、色散、OSNR、中心波长、频偏等；光
			模块性能，如偏置电流、工作温度等；业务性能，如流量、丢包率、带宽利用率、误码率等
无源数据	资源管理系统	位置数据	站点、机房、管井等及其坐标位置
		资产数据	网元信息、机架信息、板卡信息、端口信息、传输系统、传输系统段、复用段以及波道等
		纤缆数据	纤缆连接：终端点、站点、网元等连通性信息，纤缆长度；光路及其路由；纤芯等

接口	请求对象	搜索内容	应用场景
1	光缆段	网元、端口、告警、性能	纤缆巡检、态势感知等
2	业务	端口、告警和性能	业务相关告警或性能查询、故障诊断等
3	业务	站点、光缆段、传输系统段等	故障诊断、同路由分析等
4	光路	端口、告警和性能	光路态势感知
5	光路	业务	光缆割接
6	光缆段	业务	光缆割接、外因中断等影响分析
7	端口	业务	端口利用率分析、端口故障影响分析等
8	网元	业务	网元迁址、掉电等波及分析
9	板卡	业务	板卡更换、故障等波及分析

Research on the application of knowledge graph in intelligent operation and maintenance for optical transport network

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