当前应用是否没有体现出EPON和GPON差异来？

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PON 适合中长距离的传输。。且组网灵活。方便升级。。是否有人考虑到多运营商在接入层共用光纤呢。哈哈。。

到终端的那段距离。。

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PON系统现在在中国真正的应用根本就没有开始。经济水平也没有达到呀。武汉整天忽悠说上FTTH，你去看看实际的情况就知道了

FTTH上不起。目前情况FTTB还是比较好的选择。针对用户给方案。人又穷富之分。。市场有高低之分。。

学习一下,,,,,,,,,,

其实就我目前做的关于PON的设计来看，所谓的先进性我是没有看出来，实际上施工的难度真的蛮大的，刚开始简直是一团糟，特别在一些旧小区，什么沈的安装位置，取电啊、接地啊，关于此类的问题好多啊，而且那个光缆的损耗要比厂家宣传的搞出很多:Q

楼主没有分清楚PON和点到点最基本的区别：
节约光纤
节约光模块
如果不考虑这方面的节约，点到点当然要比PON好：安全，带宽大；

PON的动态分配带宽只有网络拥塞时才能看出效果来。