The interest in deployments of Fiber To The Home (FTTH) is rising, particularly in Europe. Although initial FTTH deployments in Europe were mainly carried out by municipalities and utilities, large incumbent operators are starting to announce FTTH deployments. In the United States and Japan, FTTH deployments are mostly based on Passive Optical Network (PON) technology. Deployments in Europe include mostly point-to-point and ring-based topologies employing Ethernet technology, referred to as Ethernet FTTH, along with a small number of PON FTTH deployments. This paper discusses the different access network architectures, explores the access protocols being deployed, and provides an overview of their respective characteristics.
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