Study of Services Development and Control Mechanism in NGN

Provision model of telecommunication network business has a gradual evolution, showing a concentration, from dispersed to concentrated, from general to separation, from closed to open. To adapt this trend, there are three kinds of business models in the next generation network, and they are SIP server, OSA application server and the intelligent network. Three kinds of business models provide users with various business and applications. With development of business-driven network, we expound development model and control of NGN business, and analyze main NGN business provided technology in detail. Then make further research on NGN. With the development of broadband access and Internet, business model will be more open, diversified, and individualized. With further perfection of the Parlay/OSA and the other standards, the open business platform will bring communication tremendous vitality and win-win situation to the development.