【摘要】 为了满足21世纪人们经济和生活的需要,在科学技术飞速发展的前提下,NGN时代应运而生。它将电信网、计算机网和有线电视网实质融合,形成一个综合性网络平台,为人们提供了语音、文本、视频等多媒体信息和许多新业务。描述了NGN的特点,介绍了NGN关键技术和功能,列举了NGN提供的新业务,并对NGN时代进行了展望。更多还原

【Abstract】 With the fast development of technology,the NGN comes into being in order to meet the needs of social and economical requirement.It virtually integrates the nets of telecommunication,Internet and the net of cable TV.All that forms a comprehensive network platform,which provides the information by ways of audio,text,video and many new services.This article mainly describes the characteristics of NGN and elaborates the key technique and functions of it.In the article,the area cultivated by NGN is discussed and outlook of NGN age is brought forward.更多还原