So called 3G ,its full name is 3rd generation in reality, Chinese means the third generation digital communication. Some new request are offered about transmission internet of 3G business because of abruptly feature of data type business. Its also required not only higher speed, broadband but also higher using efficiency and powerful ability of multiple business processing.Transformation of interface and business type will bring applying change that organize net, for example,(compose applying of IP,VPN, TOM,RING).MSTP plant which have TDM business, dynamic ATM function that transmit and process IP business can well adapt development of 3G technology, so that it can guarantee smoothly development from existing TDM net of dealer to ATM net and seamlessly connect. It need more and more powerful internet which transmit dynamically, flexibly .intelligence optical net must be important condition that 3G transmitting internet develop. |