T. Horváth, P. Munster, Patrik Cymorek, V. Oujezský, J. Vojtěch
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引用次数: 7
摘要
无源光网络是接入网中最有前途的解决方案。目前，千兆无源光网络非常受互联网服务提供商的欢迎。这些网络目前受到传输速度的限制(下行高达2.5 Gbit/s)，这不足以满足所有业务(如4k视频传输等)，因为这个速度是与网络中的所有用户共享的。NG-PON2标准是最新标准，下行传输速率可达40gbit /s，上行传输速率可达10gbit /s。本文研究了在OPNET Modeler工具中实现这些网络的传输收敛层。OPNET Modeler不包括光网络组件。我们实现了静态带宽分配所需的所有组件和活动元素。我们的研究结果证实onu共享125 ms grant。有源器件可以改变，以符合其他无源光网络标准。
Implementation of NG-PON2 transmission convergence layer into OPNET modeler
Passive optical networks are the most promising solution for access networks. Nowadays, Gigabit passive optical networks are very popular for Internet services providers. These networks have currently been limited by transmission speeds (up to 2.5 Gbit/s in downstream) which is not sufficient for all services (such as 4k video transfer etc.) because this speed is shared with all users in the network. NG-PON2 standard is the latest standard with transmission speed up to 40 Gbit/s in downstream and 10 Gbit/s for upstream direction. This article deals with an implementation of transmission convergence layer of these networks into OPNET Modeler tool. OPNET Modeler does not include optical networks components. We implemented all necessary components and active elements for static bandwidth allocation. Our results confirm that ONUs share 125 ms grant. The active components can be changed to comply with other passive optical network standards.
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