With the sustained rapid development and growing popularity of computer networks, more and more communication needs are demanded. E-commerce, video on demand, telemedicine, distance education, the birth of these new business accelerates the rapid development of broadband network. The service demand of Internet business is increasingly improvement in high-speed, high quality, diversity and other aspects.The relevant technologies used in the Metropolitan Area Network (MAN) are briefly introduced in this paper. Then combined with Zhuzhou branch of China Tietong (CTT) network status, its structure and existing problems are analysed, according to market requirements,the solution to design the network and its optimization scheme are proposed.This thesis mainly include:1. Brief introduction to some application technology in MAN, and the analysis of its characteristics and key technologies; 2. With the status and needs of the MAN of Zhuzhou branch,proposed the transformation programs;3. Brief reported the implementation process of transformation and the results achieved. |