Analysis On The Upgrade And Expansion Of Fujian Provincial Yitong Co.'s Secondary Network

With the application of information technology in Fujian Provincial YiTong CO. overall progress, the continuing popularity of all kinds of applications, particularly in the past couple years, application systems have adopted the "cast on the whole" approach, increasing computer network data flow rapidly. The existing company's secondary network gradually could not meet the current needs of the services, therefore upgrading and expansion of the current company's secondary network is the urgent assignment.In this paper, the recearch is conducted on the current status of the company's secondary networks, and specific implementation of the actual situation is carried out on the basis of analysis of the necessarity of its upgrade and expansion.First, the writer proposes the detailed design on the upgrade and expansion of the company's secondary network,providing the corresponding network upgrading program with a specific IP address of the planning, routing design, network services and multicast design strategy;Secondly, the requirments and principles asked for in the implementing process are proposed, with a relevant design on the expansion of implementation of network upgrade, as well as municipalities and districts of the two aircraft redundant adjustment. Meanwhile, specific measures are put forward on the analysis of the risks existing in the network cutover;Thirdly, the writer achieves test design on the expansion of the company's secondary network systems and equipment. Through the network performance, fault tolerance, connectivity and other aspects of the testing and network online tests to verify the results of the company's secondary networks'upgrade.Finally, the summary is drawn on the implementation of the project. With the clarification of the disadvantages, the writer demonstrates the prospects with a view to the domestic expansion of the relevant units of network upgrade to provide experience. In the analysis to point out the shortcomings and deficiencies at the same time, research carried out on.