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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  

Real aim is 250 megabits for a long block. Stories across the tech press picked up the ITU press release headline of 1Gbit/s, but those contemplating deployment will be happy to get a quarter of that speed. Acceptance of the standard has slipped to 2014 and product until 2015, so it will be years before we discover whether the $100's of millions going into research will pay off.

Noise problems restrict the peak speed, although Alcatel reports applying vectoring is improving things. They've reached 500 megabits over 100 meters in lab tests. http://bit.ly/14o8WUk 

   Proponents think saving the $300-600 cost to run fiber the last few meters will persuade carriers to switch to G.fast from fiber for the last stretch into the home. Skeptics believe that if you're running fiber so close you might as well go all the way. G.fast certainly will offer an upgrade path to AT&T and Deutsche Telekom, relying on VDSL to get to 50-100 megabits if gigabit cable draws away too many customers. That's reassuring to companies like DT, Swisscom, and Telecom Italia that have cancelled fiber builds to save money with DSL instead.  

   G.fast saves the carriers money by not requiring a power supply. It uses "parasitical power" drawn from the clients' cpe. In addition, Frank van der Putten of Alcatel is confident customers will be able to self-install. Vectored VDSL's biggest emerging problem is the devastating effect bad in-building wiring can have on performance. Too many customers get less than half the expected speed because of bad home wiring, etc. For that reason, at least one major carrier does only technician installs in their vectoring tests, adding $100+ to the cost for each customer.

    Toby Johnson of the ITU showed he hasn't lost his newsman's instincts in an interview with van der Putten at http://www.youtube.com/watch?v=bXg_vRaFBpg

 

ITU Readies New 1Gbit/s Broadband Standard

G.fast Uses Existing Wires to Deliver Fibre Performance at Lower Costs

Geneva, 16 July 2013 – G.fast, a new ITU broadband standard, that promises up to 1 Gbit/s over existing copper telephone wires, is one step closer following a meeting of ITU-T Study Group 15 this week. G.fast is designed to deliver superfast downloads up to a distance of 250 meters, thereby eliminating the expense of installing fibre between the distribution point and people’s homes.

The Geneva meeting saw first stage approval of ITU standard, Recommendation ITU-T G.9700, that specifies methods to minimize the risk of G.fast equipment interfering with broadcast services such as FM radio, paving the way for G.fast to be approved in early 2014. 

G.fast is expected to be deployed by service providers wanting to provide fibre to the home (FTTH) like services, which will enable flexible upstream and downstream speeds to support bandwidth-intensive applications such as streaming Ultra-HDTV movies, uploading high-resolution video and photo libraries to cloud-based storage, and communicating via HD video.

Hamadoun Touré, Secretary-General, ITU: “Since the early days of the World Wide Web, people around the world have accessed the vast resource that has become the Internet via ITU standards. I applaud our membership for continuing to show great leadership in the development of these specifications that bring broadband into our homes at ever increasing speeds and at ever greater efficiencies.”

The G.fast work has attracted active participation by a large number of leading service providers, chip manufacturers, and system vendors.

An important feature of G.fast is that it will enable self-installation by consumers without a technician’s assistance. For service providers, self-install eliminates the expense of deploying technicians to the consumer’s home, thereby also improving the speed at which they can rollout new services. Consumers will benefit from not having to arrange to be at home for a technician’s visit.

“G.fast is an important standard for service providers globally,” said Tom Starr, chairman of ITU-T Study Group 15, Working Party 1, which oversees the G.fast effort. “Service providers will be able to deliver fibre-like performance more quickly and more affordably than with any other approach.”

“G.fast provides the speed of fibre with the ease of installation of ADSL2,” said Les Brown, Associate Rapporteur of the G.fast Experts Group.

The new G.fast standard is being coordinated with the Broadband Forum’s system architecture project, Fibre to the Distribution Point (FTTdp). The ITU-T and Broadband Forum have been working closely to ensure that G.fast solutions can be quickly placed into FTTdp deployments.

Video interview with Frank van der Putten, Rapporteur, Question 4, Study Group 15: http://youtu.be/bXg_vRaFBpg

 

The Site for gfast 230
 

G.fast News
A remarkable 400 people attended the very strong Broadband Forum BASE events in Berlin and Las Vegas. Trevor confirmed BT would pass the million this year. Cioffi projected “Waveguide DSL” could carry 10 gigabits a kilometer as well as a terabit 100 meters. Werner sees a 4X improvement in upstream with cDTA. Much more in next issue.

Deutsche Wants a Gigabit, Finally Realizes 50 Meg Isn't Enough http://bit.ly/2zeZ5oZ
Deutsche Telekom is finally realizing that 50 megabit DSL won't make it against gigabit cable. VP Franz Seiser is blunt. "We must change radically, become disruptive and, above all, throw away things," he proclaims at BBWF. After years of DT insisting 50 megabits is plenty, we now hear "it is about Gigabit products" from DT's Robert Soukup.  
    A lucky building in Frankfurt will receive 500+ megabit service as ultra-conservative Deutsche Telekom experiments with G.fast. Soukup told BBWF, "We're going to have a field test in Frankfurt with G.fast and Fiber To The Building (FTTB.) We will know by the end of the year if this is the right way to go." Hint to Soukup: Yes it is. G.fast is working well at a dozen telcos I;ve talked to.
     The details are surprising. DT is going for CORD, Open Source, Calix, and Radisys. http://bit.ly/2zeZ5oZ

*** The new Telebyte Guide to Testing Gfast follows the Broadband Forum IR-337 Gfast test specification, the same used by the University of New Hampshire (UNH-IOL) for Gfast certification testing. Free download http://bit.ly/telebyte (ad) It is the best technical guide to G.fast  I have seen. Grab it. Dave

1.6 Gig in Sckipio-Calix Test http://bit.ly/Calix16
A telco tells me they are getting impressive early results from the Calix 48 port DSLAM with the new Sckipio 212 MHz chips. There still is work to do but this is encouraging. 
    Carriers want DSLAMs with more than 16 ports to reduce the deployment costs from the basement or larger field cabinets. Speed matters to the marketing side of the company; AT&T's CEO believes he must offer a true gigabit to match cable. (They've been getting ~750 megabits with first generation chips. http://bit.ly/Calix16

*** Self-Healing Wi-Fi With ASSIA Real-Q 
Beyond-the-Box visibility and control extends quality-of-experience (QoE) beyond the gateway to the end-user device for every device in the home. Based on ASSIA technology, proven across 80 million subscribers http://bit.ly/2dj7FJk (ad)

Reverse Power 4 Port DSLAM for Australia http://bit.ly/NetcommRP
Australia is connecting 1M homes to G.fast, some with a Netcomm distribution point mini-DSLAM. It's a small unit designed for pole or pit mounting. It's waterproof, pressure proof, and temperature resistant. Their matching home modem is bittorrent friendly, with two USB ports for a hard drive dedicated to sharing.
     A reverse power unit at the customer, the NDD-0100-01, can save the cost of bringing power to the DSLAM. They don't expect many orders until the second half of 2018, as nbn is waiting for the second generation chips. Netcomm demonstrated RP with BT Openreach in August. http://bit.ly/NetcommRP

*** Sckipio's Three advances are taking G.fast to the next level.http://bit.ly/Sckipio (ad)

Australia Makes it Official: G.fast to Million Plus http://bit.ly/GFAussie
No news here. In September, 2015, I reported Australia's nbn Going G.fast. This June. I reported the million home fiber to the curb (kerb?) was beginning. Unfortunately, they are no closer to figuring out where to find the needed $10B to $20B to cover the cost overruns. Instead, the parties are battling in Parliament about who is to blame. http://bit.ly/GFAussie

2 Bonded 212 Lines = 3 Gigabitshttp://bit.ly/twobonded
Sckipio at BBWF is demonstrating 3 gigabits down, nearly a gigabit up, over two phone lines, bonded. Twice the bandwidth (212 MHz instead of 106 MHz) times two lines is fast. Sckipio does great demos; at CES, they showed G.fast first generation chips delivering almost 1 gig upstream.
    “Sckipio is pushing Gfast to astonishing speeds with production silicon,” CEO David Baum proclaims. Calix is using the SCK23000 chipset in their 48 port gig+ DSLAM at the show. http://bit.ly/twobonded

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