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前言：随着新兴业务对高带宽、双向传输能力以及安全性等方面远距离传送的要求,基于EPON成熟技术构建的FTTH已成为人们解决这个需求的首选技术,但是,由于建设终端链路环境的复杂性及EPON新技术,阻碍了FTTH推广的步伐。近几年全球宽带接入市场快速发展,不仅宽带用户数目急剧增长,而且用户对接入带宽的需求随着视频点播、网络游戏和
Preface: With the emerging service requirements for long-distance transmission in high bandwidth, bidirectional transmission capacity and security, FTTH built based on mature EPON technologies has become the preferred technology to solve this problem. However, due to the construction of a terminal link environment Complexity and EPON new technology, hinder the pace of FTTH promotion. In recent years, the rapid development of global broadband access market, not only the dramatic increase in the number of broadband users, and user demand for access bandwidth with video on demand, online games and