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
Mid Blue: Smaller carriers in Germany, Norway, Finland, Japan
- Published: 10 December 2014 10 December 2014
Demo'd live at BBWF. Great Britain has 4,000,000 "distribution points," simple copper boxes generally without power. Bringing electricity to each box could double the cost of G.fast deployment, which is targeted at $100-250 home. Add monthly charges as well..
To many telcos, the biggest advantage of G.fast is "parasitic power." The G.fast gear gets power from the customer gateway, not from the telco system. Instead of running a powerline to each box - often very expensive - the G.fast DSLAM draws power from each user's modem. That allows telcos to pop mini-DSLAMs on poles, in small underground spaces ....
The standards committee was confident parasitic power would work well.
- Published: 08 December 2014 08 December 2014
Israeli VC's put up the shekels. Sckipio's chips were the hit of the Amsterdam event; they are working and starting to come in meaningful quantities. That progress persuaded Eitan Bek of Pitango, Israel's largest VC, to lead other Israelis in a $17M round. They timed the release for the day after the official approval of the G.fast standard with many of their contributions.
Loring Wirbel sees Sckipio and Broadcom in a G.fast race, although Ikanos, HiSilicon and others may disagree. Broadcom has modified their VDSL designs for higher frequencies and many of the G.fast ewqyurenebts. Sckipio chose instead "purpose-building them to achieve optimum power for TDD-based bundles." (Loring) Loring, a friend, was long the finest journalist in chips and network technologies. He's moved on to being an analyst at Linley Group, the best chip analytic house.
- Published: 18 November 2014 18 November 2014
80+% of Brits live in single family houses, far fewer than several other European countries. BT and AT&T have natural small nodes, making 8-16 port boxes appropriate. G.fast has a profound problem in other territories, where far more people live in apartment buildings which cannot today be served with G.fast.
I first thought apartment buildings could be served by simply using multiple boxes At BBWF several told me the interference issues are insurmountable without vectoring. Vectoring 48 lines is impractical with today's chips. They don't have enough processing power and if they did there would be a heat problem.
BT has about ~4M "distribution points" on poles and underground. There's an average of ~8 customers connected, and only a few have more than 16 drops.
- Published: 24 October 2014 24 October 2014
Broadcom has a chip that runs something like G.fast and can work with reverse power. Anything else is uncertain and the reports contradictory. Other reporters are emailing me in Amsterdam asking for details but Broadcom turned me away from their walled in demonstration.
What we know: Adtran showed a unit with eight ports from using 2 chips. Two ports were vectored. They told me that vectoring worked across the four ports on a single chip but not across chips to allow eight or sixteen connections. Adtran also showed reverse power working with the Broadcom chips. The system also supports VDSL, apparently on the same chip.
- Published: 17 October 2014 17 October 2014
536 Mbps and upload 116 Mbps. Telekom Austria has linked up a company offering working and event space via G.fast, the first actual customer connected. TA doesn't expect volume deployments until 2016, however. They see G.fast as an alternative to fiber for 400,000 apartments in Vienna alone. Many are older buildings where people are resistant to drilling for fiber. The French report a similar resistance to drilling.
The press release only stated, "Data rates of several hundred Mbit / s." The 536 megabit figure was confirmed to reporters at a press conference with the screenshot of the screen test and reporters in the German press. There are numerous challenges that might drive the speed down in deployment but also room for the chip designers to improve things. Alcatel supplied the equipment, using Sckipio chips. Sckipio's modem chip isn't available yet so they used a four port chip designed for the other end of the system. Sckipio expects gateway chips within six months.
- Published: 11 October 2014 11 October 2014
"A customer" on FTTB/G.fast. Update Oct 17 We have the details. It's Alcatel and Sckipio. previous:Peter Schiefer of TA confirms, "We are going to show G. Fast with a live customer next week on Wednesday." If it is just "a customer," Alcatel may have installed a lab test style rig with FPGA's. It could be an early Broadcom chip Alcatel is testing. Broadcom as usual is keeping mum and Alcatel is offering no details before BBWF on what they have in G.fast.
Austria is talking a billion euro subsidy for faster broadband and just allocated the first 300M. That gives TA powerful incentive to showcase advanced capabilities. Management needs to look progressive. Carlos Slim already has three seats on the board and appears to be moving ahead with a takeover. Slim's Telmex knows how to run a low cost operation, crucial as Austria expands into Eastern Europe.
Telekom Austria operating in Serbia still is a surprise 100 years after Franz Ferdinand.