Brief Introduction to the Trends towards All-IP Network

Services integration and network convergence is a struggling target in telecommunication industry these years. The capability of IP network which can bear several services and applications, such as voice, data and video, etc. makes all-IP network a rudiment of the future convergent network by the telecommunication industry. However, current IP network can not guarantee the QoS for real time services and the securities of networks and services. Many countries in the world have plans to do researches on next generation network, so as to obtain a predominant position in this field. This paper introduces the development of IP-based networks and services, existing issues of current IP-based network and the developments of next generation network.