摘要
本文在概述接入网变革趋势和需求的基础上,根据I-TU-T有关建议阐述了现代接入网的结构和功能,着重分析和比较了各种接入网新技术,并就其应用和发展提出了看法。
Following a brief introduc- tion to the trend and require- ments of access network evolu- tion, the paper describes the ar- chitecture and functions of mod- ern access networks based on the related ITU-T recommenda- tions. Emphasis is then placed on the analysis and comparison of different access network new technologies. Finally, the author presents his own viewpoint on the development and applica- tions of these technologies.
