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    LLU Vs BTIPSTREAM

    This is a discussion on LLU Vs BTIPSTREAM within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi My exchange just went live for Sky LLU , and I am interested coming over but would like to ...

    1. #1
      pwoolley's Avatar
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      Question LLU Vs BTIPSTREAM

      Hi

      My exchange just went live for Sky LLU, and I am interested coming over but would like to know the difference between LLU ADSL and "Normal" ADSL. I understand that "normal" uses BRAS to give you a speed and that if you get a rough sync you drop BIG time in the speed stacks (which happens to me a lot) Does LLU system use the same system of 3 days good connection to get a good BRAS and then heaverly penalised for one bad?

      I hope the above makes sense, I have looked on this forum for threads that explain the way LLU works but have not found any (not to say there is not any there)

      Regards

      Paul


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      Re: LLU Vs BTIPSTREAM

      Does LLU system use the same system of 3 days good connection
      Nope

      LLU is Local Loop Unbundling, basically Sky rent a corner of a BT exchange and put their kit in there.

      Normally the speed using Sky's kit is better, ie I went from 6.4mb on BTMAX through F2S and am now on 8mb.

      Because Sky maintain their own kit, there are cheaper overheads, hence Sky can give you better value for money in respect of downloads etc.




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    4. #3
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      Re: LLU Vs BTIPSTREAM

      BT's ADSLMax uses an exchange based rate adaption method much as you describe. This product is resold by many ISPs as their up to 8 meg service.

      Sky LLU is based on ADSL2+ which uses a more dynamic rate adaption method. In theory this is truly dynamic in that the router and exchange should adapt to changing connection characteristics "on the fly" therefore always giving the maximum possible speed. However this is not (currently) functioning for Sky LLU and the adaption is fixed with the router and exchange agreeing a new optimum connection speed each time the router syncs.

    5. #4
      pwoolley's Avatar
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      Re: LLU Vs BTIPSTREAM

      Thank you for both replying, much appricated.

      My order has now gone in,

     

     

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