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Gfast map July 2017

Dark blue: Firm commitments from incumbent: BT (10M), Belgacom, Australian NBN, Swisscom,  Austria, Bezeq Israel, Chunghwa Taiwan, Telus Canada, Telekom South Africa, SK Korea, (U.S.) AT&T, Century, Frontier, Windstream, Belgium, Omantel

Light blue: Smaller carriers in Germany, Norway, Finland, Japan

Green: Incumbent likely:  France, Germany, & Poland  

G.fast-performance-Sckipio-320Ready to upgrade 3M/year. Kevin Foster of BT minced no words. "G.fast must deliver speeds over longer distances ~ 350m (0.5mm Cu.)" BT's original plan was to support G.fast from 4M distribution points, for speeds of > 500 megabits. The finance guys decided to go only to the neighborhood cabinets, requiring 95% fewer installations and minimal new fiber. That raised the typical loop length from 35 meters to 350 meters.

To get even the lowered speeds (~300 megabits) at 350 meters is pushing the state of the art. The change in requirements has delayed most work from early this year to end of this year. The tests are going well to over 4,000 homes, at least at short distances.

Kevin thinks it can be done. He believes engineers can:

  • Enable higher bits per tone
  • Improve the receiver sensitivity (noise floor)
  • Increase the transmit power
  • Optimise the frequency usage with VDSL ? Increased vectoring group sizes ? 

Rami Verbin of Sckipio saw the same possibilities in an interview last June. Some of them should be close to delivery by now. Foster also demanded "G.fast units must have a higher DPU port density (typically 48/96 ports.)" Fortunately, Huawei tells me they expect a 96 port unit late this year. Alcatel should be on par with them. 

 


212 GHz and cDTA are soon shipping from Adtran. True gigabit is here. Sales takeoff is almost in sight, probably Q1 2018.
Australia confirms 1M, AT&T is ready to ramp, DT finally is moving. Omantel and Telkom South Africa are now on the map. Almost all telcos are now choosing G.fast for large buildings when they don't go FTTH. MNet Cologne and Chunghwa Taiwan have changed from fiber all the way to G.fast in the basement.

212 MHz and cDTA Are Ready: Adtran http://bit.ly/GF212cDTA
Frank Miller of Century: G.fast Will be Important to Us http://bit.ly/GFCentury

Carl Russo: Since 2007, I've Been Turning Calix Into a Software Company http://bit.ly/CalixSDN

Adtran Chosen for Australia nbn Fiber to the curb. http://bit.ly/GFnabAus

nbn looking to a million lines. This one is big. Adtran is on a roll, with DT & AT&T also looking good for 2018.

1,400,000,000 In The Works. 1.4 Gigabits http://bit.ly/GF14Gig
South Africa & Connecticut Go Nokia http://bit.ly/SouthAF

Omantel: 90% Fiber & G.fast http://bit.ly/Omantel

 

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