【摘要】：隨著光纖線路的普及,光纖通信的服務質(zhì)量成為運營商們關注的焦點,因此設計一個可靠、高效的保護體系來保證光纖網(wǎng)絡通信的安全、暢通運營對各個運營商來說非常重要。光保護設備以其快速可靠、安全靈活、業(yè)務恢復能力強等優(yōu)點在光纖通信領域的應用,很大程度上解決了運營商的難題。光保護設備全稱是光纖線路自動切換保護設備(OLP),兩條光纖線路與兩塊光保護設備連接組成光保護傳輸系統(tǒng),光保護傳輸系統(tǒng)選擇其中的某條光纖線路作為主用光纖,另一條將作為系統(tǒng)備用光纖,備用光纖將傳輸次一級信號。當主用線路光纖發(fā)生故障或通信質(zhì)量下降時,主用線路光保護設備的接收端會監(jiān)測到光纖光功率下降,系統(tǒng)將自動將傳輸信息路由從原來的主用線路切換到備用路線,而系統(tǒng)另一端的光保護設備將同步的從主用線路切換到備用光纖線路上,從而保證了通信線路的正常工作,有效預防光纖或設備故障。然而大量光保護設備在光纖領域的應用對于設備管理人員和光纖維護人員來說是個不小的挑戰(zhàn)。因此,根據(jù)光保護設備的特點,研究和設計光保護設備實時監(jiān)控系統(tǒng)具有重要的現(xiàn)實意義。光保護設備實時監(jiān)控系統(tǒng),結合了多線程和線程池技術、Websocket實時通信技術和SVG矢量圖形技術等,實現(xiàn)了光保護設備實時監(jiān)控的設計功能。本文重點研究了多線程和線程池技術、Websocket實時通信技術和SVG矢量圖形技術在光保護設備實時監(jiān)控系統(tǒng)中的應用。首先,采用xml格式制定了光保護設備實時采集服務器和系統(tǒng)服務器之間的通信協(xié)議。其次,采用多線程和線程池技術實時處理采集服務器發(fā)往系統(tǒng)服務器的實時數(shù)據(jù),同時將處理過的實時數(shù)據(jù)采用Websocket實時通信技術實時傳輸?shù)娇蛻舳恕Ｔ俅?采用SVG矢量圖形技術設計光保護設備、機箱等相關設備圖元函數(shù),同時和數(shù)據(jù)庫中設備數(shù)據(jù)信息結合在客戶端以圖形方式顯示。最后,實時數(shù)據(jù)和客戶端SVG圖元結合在客戶端動態(tài)顯示。通過光保護設備實時監(jiān)控系統(tǒng),可以實時了解到各段光纖的運行狀態(tài),為光纖維護人員提供了極大的便利。
[Abstract]:With the popularity of optical fiber lines, the quality of service of optical fiber communication has become the focus of attention of operators. Therefore, it is very important to design a reliable and efficient protection system to ensure the security of optical network communications. The application of optical protection equipment in the field of optical fiber communication with its advantages such as fast reliability, flexible security, strong service recovery ability and so on, has solved the problem of operators to a great extent. The full name of the optical protection equipment is the optical fiber line automatic switch protection equipment (OLP), two optical fiber lines are connected with two optical protection devices to form the optical protection transmission system. The optical protection transmission system selects one of the optical fiber lines as the main optical fiber. The other will be used as a backup fiber for the system, which will transmit the secondary signal. When the optical fiber of the main line fails or the communication quality drops, the receiver of the optical protection device of the main line will monitor the optical power drop of the optical fiber, and the system will automatically switch the transmission information route from the original main line to the standby route. The optical protection equipment at the other end of the system switches synchronously from the main line to the standby optical fiber line, which ensures the normal operation of the communication line and effectively prevents the fiber or equipment from malfunction. However, the application of a large number of optical protection devices in the field of optical fiber is a great challenge for equipment managers and optical fiber maintainers. Therefore, according to the characteristics of optical protection equipment, it is of great practical significance to study and design the real-time monitoring system of optical protection equipment. The real-time monitoring system of optical protection equipment, which combines multi-thread and thread pool technology, Websocket real-time communication technology and SVG vector graphics technology, realizes the design function of real-time monitoring of optical protection equipment. This paper focuses on the application of multi-thread and thread pool technology, Websocket real-time communication technology and SVG vector graphics technology in the real-time monitoring system of optical protection equipment. Firstly, the communication protocol between the real-time acquisition server and the system server of optical protection equipment is established with xml format. Secondly, multithreading and thread pool technology are used to process the real-time data sent from the server to the system server, and the processed real-time data is transmitted to the client by Websocket real-time communication technology. Thirdly, SVG vector graphics technology is used to design the image element function of optical protection equipment, chassis and other related equipment. At the same time, it combines with the equipment data information in the database to display in the client in a graphic way. Finally, the real-time data and the client-side SVG elements are dynamically displayed in the client. Through the real-time monitoring system of optical protection equipment, the operating state of each optical fiber can be realized in real time, which provides great convenience for the maintenance of optical fiber.
【學位授予單位】：華北電力大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TN929.11

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