The paper introduces the definition of Next Generation Network (NGN) given by ITU-T SG13 on its February meeting in 2004 and the latest development of NGN standardization. It further discusses the NGN architecture and...The paper introduces the definition of Next Generation Network (NGN) given by ITU-T SG13 on its February meeting in 2004 and the latest development of NGN standardization. It further discusses the NGN architecture and the evolution of networks to NGN, and emphasizes the Softswitch technology that features open architecture and packet-based transmission. At the end it introduces some network evolution strategies from operators outside China.展开更多
文摘The paper introduces the definition of Next Generation Network (NGN) given by ITU-T SG13 on its February meeting in 2004 and the latest development of NGN standardization. It further discusses the NGN architecture and the evolution of networks to NGN, and emphasizes the Softswitch technology that features open architecture and packet-based transmission. At the end it introduces some network evolution strategies from operators outside China.
文摘随着我军现代化进程的不断推进,靶场信息化水平大力提升,各个网络正在逐步有机融合。通过分析下一代网络(next generation network,NGN)的4层体系结构及其关键技术,结合我军网络的特点,论证靶场网络转向NGN体系的必然性及其可行性;给出了一种基于NGN的网络融合体系结构,并在此之上介绍了其可提供的业务功能及QoS(quality of service)部署。