Expectations about higher economic growth and the ever-increasing demand for higher bandwidth are driving the worldwide deployment of Next-Generation Access (NGA) networks. The paths followed to achieve this goal markedly vary, however, across different countries. This article offers a comparison of a handful of leading NGA deployments that rely on different investment models. We study the broadband national initiatives of New Zealand and Australia and a group of selected regional NGA deployments in Europe. While New Zealand's approach partially relies on a public-private partnership model of investment, Australia's National Broadband Network is a wholly government-funded initiative and the European local initiatives in Sweden, Spain, the Netherlands, and Portugal use a range of mixed models of investment. We use a common technology-policy-market framework that allows for a clear mapping of the incentives, goals, and actions of those involved in network deployment. Our main interest is the identification of the drivers for investment as well as the description of main risk factors in each case. By applying this framework to those selected deployment cases our work draws relevant conclusions about the impact of investment decisions on performance criteria such as coverage and uptake.

中文翻译：

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通过部署 NGA 网络实现宽带扩展的选定国家和地区投资计划的比较分析

对更高经济增长的预期和对更高带宽不断增长的需求正在推动下一代接入 (NGA) 网络的全球部署。然而，实现这一目标所遵循的路径在不同国家之间存在显着差异。本文对少数依赖不同投资模型的领先 NGA 部署进行了比较。我们研究了新西兰和澳大利亚的宽带国家计划以及欧洲的一组选定的区域性 NGA 部署。虽然新西兰的方法部分依赖于公私合作投资模式，但澳大利亚的国家宽带网络是一项完全由政府资助的计划，而瑞典、西班牙、荷兰和葡萄牙的欧洲地方计划则使用一系列混合投资模式. 我们使用一个通用的技术政策市场框架，该框架允许清晰地映射网络部署参与者的动机、目标和行动。我们的主要兴趣是确定投资驱动因素以及每种情况下主要风险因素的描述。通过将此框架应用于那些选定的部署案例，我们的工作得出了有关投资决策对性能标准（例如覆盖率和采用率）的影响的相关结论。