In this article, the characteristic and applied status of large-scale routing technologies in NGN were introduced briefly.Mainly, the function and architecture of TRIP were presented.

• 摘要文章简要地介绍了下一代网络(NGN)中大规模路由技术电话路由信息协议(TRIP)的特点和发展，主要从TRIP所能完成的功能和其体系结构等方面介绍了该技术。