29 thoughts on “Gigabit DSL: Yes, it will happen”

  1. ATT (SBC) can’t multiplex HD signals in Project Lightspeed tests at 20 Mb/s on VDSL D-Slams supposed to deliver 50 plus. Can’t wait to see them try to multiplex gig over copper to 10 million customers using DSM…by the time it arrives commercially (if at all), Verizon will have 30 million FiOS pops installed.

  2. ..and John, like it’s all about what the americans(ATT & Verizon) are doing right? Lets take a quick look at where the USA is in bandwidth/population…oh yeah …12th. Go Denmark this months no. 1 with a bullet. (USA = biggest in volume tho..).

    The world market is MUCH bigger than the US one and rolling high percentage fibre cover in many places just isnt practical, e.g… Australia

  3. Oh, we are SO FAR AWAY from this in Australia. Telstra (the main telco who owns all the last mile) spouts about high uptake and delivering value to the end user. Most Australians (even as close as 10km/6mi from a major CBD) can’t get ADSL and are limited to dialup or satellite, with even the dialup cruelled sometimes due to Telstra’s policy of installing pair-gained lines.
    I am on 1500/256 ADSL, which is the best most Australians who can get ADSL have access to. I am data-limited to 10Gb daytime/10GB offpeak data per month. All this costs me around AU$60/month.
    ADSL2/2+ rollout is limited and is being undertaken by the larger second-tier ISPs as they are sick of waiting for Telstra to install infrastructure in exchanges.
    Live, used, cable exists only in Sydney, Melbourne and Brisbane AFAIK (happy to be corrected).

    Like I said, Australia is SO FAR AWAY from this.

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  5. The world market is MUCH bigger than the US one and rolling high percentage fibre cover in many places just isnt practical, e.g… Australia

    And it just isn’t practical in much of the US, too, you know. Denmark has a pretty high population density, after all. Canada does the best of any of the G-7 countries, and the US is second, also ahead of the EU-15 average. The top 10 countries, other than South Korea, are all fairly far north, Canada and the Nordic countries. The UK, France, and Germany are a little behind the US. Australia a bit further. New Zealand, Italy, Spain all lag. Ireland lags quite a bit.

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  7. Nice to hear all these super fast 1 Gig connection. Right now Charter communication in LA area still 10mbits max. When can we have this speed in the next generation 50 yrs from now.

  8. I think you are misinformed. There is no mentioning of 1 Gbps speeds.

    Page 42 of Prof. Cioffi’s document on DSM:

    “…200 Mbps symmetric transmission on 500 meters of cable is possible, and 100 Mbps at 800 meters, 50 Mbps at 1.5 km and 25 Mbps in excess of 2 km. As fiber enters the loop plant and reduces loop lengths, DSM-charged DSL will enable 100 Mbps 100BT speeds…”

  9. Why should copper go away? It’s been in use for over two hundred years as a telecommunications medium. Every new generation finds new uses for it. Same thing with ADSL. And our children will find yet another use for copper wire.

  10. J.M. Cioffi, B. Lee, M. Mohseni, A. Leshem and L. Youming, “Gigabit DSL,”
    T1E1.4 contribution 2003/487R1, Washington, DC, August 2004.

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