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首页> 外文会议>Annual national fiber optic engineers conference;National fiber optic engineers conference;NFOFC 2001 >LOOP MIGRATION FOR FIBER-TO-THE-HOME (FTTH): Making the right network planning decisions with today's network realities for tomorrows broadband world
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LOOP MIGRATION FOR FIBER-TO-THE-HOME (FTTH): Making the right network planning decisions with today's network realities for tomorrows broadband world

机译：光纤到户（FTTH）的迁移：结合当今的网络现实，为明天的宽带世界做出正确的网络规划决策

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The telephony network continues to undergo a transition, evolving from a POTS-centric copper only network to a multiservice copper-fiber hybrid network. There are several factors that are at play during this transition, including changes in customer demands and expectations, as well as aggressive competition, new technologies, and evolving regulatory requirements. The network planner, balancing the risks and rewards of a network build-out during this transition period, is required to make investment decisions that deliver required services today while providing a clear migration path to the next-generation networks of tomorrow. Simultaneously, the realities of the telephony business require that the investments be made wisely, conserving cash and maximizing profit. One of the key decisions the network planner must make is to choose the network topology and equipment that delivers today's services and enables a migration path to the future. This paper examines three network topologies in Greenfield applications: Fiber to the home from the central office (FTTH-CO), Fiber to the curb (FTTC), Fiber to the home served from the remote terminal (FTTH-RT). Ultimately, the network planner's decision is based on the deployment cost. To evaluate costs realistically, a three-phase model is employed. The first phase includes the investment necessary to have an option to deliver the service. The second phase includes the further investment needed to provide service to the first customer. And the third phase is the investment needed to deliver the service to the entire market. The examination of risk and cost reveals a clearly superior network topology solution which supports today's required services while providing the option to deliver FTTH at a very low cost. Systems to deliver this superior network topology are available today to provide clear cost advantages and network migration risk mitigation.
机译：电话网络正在经历过渡，从以POTS为中心的纯铜网络发展为多业务铜光纤混合网络。在此过渡期间，有几个因素在起作用，包括客户需求和期望的变化，以及激烈的竞争，新技术和不断发展的法规要求。网络规划师必须在此过渡时期平衡网络扩展的风险和回报，才能做出投资决策，以提供当今所需的服务，同时为未来的下一代网络提供清晰的迁移路径。同时，电话业务的现实状况要求明智地进行投资，以节省现金并实现利润最大化。网络规划人员必须做出的关键决定之一就是选择能够提供当今服务并实现向未来迁移路径的网络拓扑和设备。本文研究了Greenfield应用中的三种网络拓扑：从中心局到家庭的光纤到户（FTTH-CO），从路边到光纤的路边（FTTC），从远程终端到家庭的光纤到户（FTTH-RT）。最终，网络规划人员的决定取决于部署成本。为了实际评估成本，采用了一个三阶段模型。第一阶段包括选择提供服务所需的投资。第二阶段包括为第一位客户提供服务所需的进一步投资。第三阶段是将服务交付到整个市场所需的投资。对风险和成本的检查揭示了一种明显优越的网络拓扑解决方案，该解决方案支持当今所需的服务，同时提供了以非常低的成本提供FTTH的选项。如今，可提供提供这种高级网络拓扑的系统，以提供明显的成本优势和减轻网络迁移风险。

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