What Is

Time: 2018-05-21 Author: admin is a digital subscriber line (DSL) protocol standard for local loops shorter than 500 m, with performance targets between 150 Mbit/s and 1 Gbit/s, depending on loop length.[1] High speeds are only achieved over very short loops. Although was initially designed for loops shorter than 250 meters, Sckipio in early 2015 demonstrated delivering speeds over 100 Mbit/s nearly 500 meters and the EU announced a research project.[2]

Formal specifications have been published as ITU-T G.9700 and G.9701, with approval of G.9700 granted in April 2014 and approval of G.9701 granted on December 5, 2014.[1][3][4][5] Development was coordinated with the Broadband Forum's FTTdp (fiber to the distribution point) project.[6][7]

The letter G in stands for the ITU-T G series of recommendations; fast is an acronym for fast access to subscriber terminals.[8] Limited demonstration hardware was demonstrated in mid-2013.[9] The first chipsets were introduced in October 2014, with commercial hardware introduced in 2015, and first deployments started in 2016

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