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随着视频点播、网络游戏和IPTV等高带宽业务的不断普及,用户对接入带宽的需求日益增加,原有的以ADSL为主的宽带接入方式已经很难满足用户对高带宽、双向传输能力以及安全性等方面的要求。现在,光接入网成为了网络技术发展的最有前景的一个方向。光接入网在现代社会的发展下变的越来越重要,光接入网主要为政企客户、家庭客户及基站提供高速接入。OLT节点作为光接入网中最重要的节点,影响网络布局,应优先规划。
With the continuous popularization of high bandwidth services such as video on demand, online games and IPTV, the user’s demand for access bandwidth is increasing day by day. The original ADSL-based broadband access method has been difficult to meet users’ demands for high bandwidth and bidirectional transmission Ability and safety and other requirements. Now, optical access network has become the most promising direction of network technology development. The development of optical access network in the modern society has become more and more important. The optical access network mainly provides high-speed access for government and enterprise customers, home customers and base stations. As the most important node in the optical access network, the OLT node affects the network layout and should be prioritized.