Design And Implementation Of Reform Of The Postal Comprehensive Operation Network

By using these technologies, the postal corporations can combine the traditional business with the modern computer internet technology and realize its modern transformation to a information, digital, comprehensive and broadband one. The rapid changes of traditional business of postal corporations make it necessary to establish a brand-new computer system based on the IP technology, audio and video.The communication network is vital for such a establishment. The fiber optics communicative network which is based on SDH is the physical platform of the information expressway. This essay discusses the network structure of Xi'an Postal Corporation on the basis of DDN and SDH technologies. By using this new network structure, the corporation will realize the output of postal business digitals and video signals at the same time.This essay covers the following topics:(1), To show the shortcomings and the necessity of reform by analyzing the current postal comprehensive network.(2), To devise the new structure of postal comprehensive network on the basis of DDN and SDH input technologies.(3), To create a new postal comprehensive operation network by using the SDH technology, and to realize the combined communication of data and signals. And to make some remarks to this system.