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本文介绍了宽带网络的发展、基本概念及关键技术,并从宽带传输、宽带交换和宽带接入三个方面介绍了宽带网络发展所面临的主要问题。
This paper introduces the development of broadband networks, the basic concepts and key technologies, and introduces the main problems in the development of broadband networks from three aspects: broadband transmission, broadband switching and broadband access.