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SDN-enabled Infrastructure Sharing in Emerging Markets: CapEx/OpEx Savings Overview and Quantification

机译：新兴市场中基于SDN的基础架构共享：CapEx / OpEx节省的概述和量化

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The paper quantifies the importance of network resource sharing in leveraging Software Defined Networking (SDN) in mobile network infrastructure and reducing operation costs between multiple operators, especially critical to extend broadband access in less populated and thus less profitable rural areas. The paper starts with an overview of the concept of infrastructure sharing and different levels of sharing, such as RAN, backhaul and core sharing, and then attempts to quantify the economic impact of sharing. The impact is estimated in terms of how long it takes to recover CapEx investments and make a network profitable. This is illustrated utilizing the use case example of the South African environment that full sharing may allow an order of magnitude reduction in time needed to reach profitability, which may allow for profitable operation in rural areas and easier entry of smaller operators into market.
机译：本文量化了网络资源共享在利用移动网络基础设施中的软件定义网络（SDN）和降低多个运营商之间的运营成本方面的重要性，这对于在人口稀少且因此利润较低的农村地区扩展宽带访问至关重要。本文首先概述了基础架构共享和不同级别的共享（例如RAN，回程和核心共享）的概念，然后尝试量化共享的经济影响。根据收回CapEx投资并使网络盈利所需的时间来估算影响。充分利用南非环境的用例示例对此进行了说明，充分共享可以使实现盈利所需的时间减少一个数量级，从而可以在农村地区实现有利可图的运营，并使小型运营商更容易进入市场。

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