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This article describes broadband optical access network evolution including high speed interfaces for fixed and mobile services. The impact of network access evolution on network architecture and transmission equipment localization on the metropolitan network is also mentioned. Some technical challenges are also discussed, namely concerning the optical extended budget, as well as the impact of access evolution on the metropolitan network. The access bit rate evolution has also an impact on the home network by the necessity of offering connectivity to customers at 1 Gbit/s, for example, over plastic optical fibre.

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