Research And Implementation Of Fault Module In EPON Network Management System

With the development of network technology and application of new equipment, EPON(Ethernet Passive Optical Network) has become the best choice of Access Network, which hasthe advantages of low-cost, high-bandwidth, scalability and flexible to restructure. EPON is acombination of PON (Passive Optical Network) technology and Ethernet technologies; wecan use SNMP (Simple Network Management Protocol) to achieve network management. ButEPON also have some characteristics different from the traditional network, so EPONmanagement has become a hot research topic. The paper is mainly about the design andimplementation of Fault manage module in EPON network.This paper starts from the analysis of technology needs and actual applicationrequirements of Fault manage module in EPON network, and then complete the processdesign and functional design. Fault manage module is divided into four sub-modules: alarmacquisition, alarm filtering, alarm, alarm handling. According to the analysis of EPON alarminformation, alarm data format and database tables were well designed, using Hibernateframework to achieve the multi-database support. We use TRAP and active pollingmechanism to collect the alarm data; the functions of alarm display sub-module, alarmfiltering sub-module and alarm processing module were fulfilled at server-side; WEB browserwas used to achieve interactive interface. Based on the analysis of several alarm correlationanalysis method, such as data mining, artificial intelligence, we propose a alarm correlationanalysis new method which combine rule-based reasoning and common sense-basedreasoning,using rules engine technology Drools to achieve the correlation analysis of alarminformation At last we use Java development language and open-source framework SSH(Struts-Hibernate-Spring) to complete the fault management system. According to the testingresult, we know the system has fully functional, good stability; it also can capture the network equipment failure accurately and in real time. The failure response time of system is less than10s, which is the standard of telecommunications fault management, the system has goodperformance.Finally, all the work of this paper was summary, and the possible improvement wasproposed and further discussed.