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    Fibre DLM

    This is a discussion on Fibre DLM within the Sky Broadband (Fibre) Help forums, part of the Sky Broadband help and support category; Any one got any ideas about how the new DLM will work? I Have seen in other posts that people ...

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      Fibre DLM

      Any one got any ideas about how the new DLM will work? I Have seen in other posts that people do not think there is one but I was told by the fibre team there is one.


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      Re: Fibre DLM

      From what I understand is that the DLM is done by BTO and is always on the line but I dont really think anyone is too sure just yet.

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      Re: Fibre DLM

      "2.2.5 Dynamic Line Management
      Dynamic Line Management (DLM) is employed in GEA-FTTC. DLM constantly
      manages lines to maintain a target stability. It does this for as long as the product
      exists.
      At provision, the line is put on wide open profiles, allowing downstream line speeds
      of up to 40Mbit/s, and upstream line speeds of up to 2Mbit/s or 10Mbit/s depending
      on the upstream product option selected.
      On the first day of operation, DLM will intervene if severe instability is detected.
      Otherwise, DLM will wait until the day after provision before intervening, provided
      that the line has been trained up for at least 15 minutes during the preceding day.
      If DLM intervenes it will set a capped profile with a maximum rate and a minimum
      rate, where the minimum rate is set at approximately half of the maximum rate. The
      purpose of the minimum rate is to ensure that the line does not train at a rate which is
      significantly below the level the line should be able to achieve. If this happened, then
      the line is likely to remain at a very low rate till a re-train is forced by the user
      powering off the Active NTE.
      Note that the upstream throughput is also constrained on the DSLAM to the upstream
      rate requested in the order, ie 2Mbit/s or 10Mbit/s, so even if the upstream line speed
      is higher, the upstream throughput is constrained to the level ordered for the product."


      "...We're through the looking-glass here people, none of us have ever done anything like this before... except Mike, who as we all know, once stole a Tank and tried to invade Paris!"

     

     

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