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In this paper, the authors discuss the challenges faced when building a national optical access network that is ubiquitous (i.e., reaches all households nationwide) and open access (i.e., allows any provider to offer their services over it). Their work is inspired by a public fiber access network being built in Australia called the National Broadband Network (NBN) that will deploy fiber to 93 percent of premises, providing broadband access at potential data rates of 100 Mb/s and above. They highlight how the nationwide open access nature of the network creates new architectural challenges, in terms of both fiber layout as well as interconnection with private providers competing to offer retail services.
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