Integrated Service Access Network and Tts Evolution to NGN
Wei Zhan · 2004
This paper proposes the concept of Integrated Service Access Network (ISAN), based on the concept of access network(AN) together with the development of telecommunication network and the drastic environment of competition. The architecture of ISAN is introduced and its functions of components are analysed in detail. Then, it describes the concept of Next Generation Network(NGN) and the thouhgt of its core technology-Soft Switch. Also, the Integrated Service Access Network's evolution policy to NGN is proposed based on the development direction of NGN. In the end, some proposals are expounded which should be take into consideration when building ISAN in new period.