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    Sync speed vs download/upload speed (Max) ?

    This is a discussion on Sync speed vs download/upload speed (Max) ? within the Sky Broadband help forums, part of the Sky Broadband help and support category; I've been on Sky Max for about a week, and have been sync'd at 6464/768 for the last 5 days. ...

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      Sync speed vs download/upload speed (Max) ?

      I've been on Sky Max for about a week, and have been sync'd at 6464/768 for the last 5 days. What download/upload speeds should I be seeing at this sync rate ? I understand that max doesn't quite work in the same way as "plain vanilla" ADSL, so no line profiles as such.

      Here's a speed test I did recently.....



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      Re: Sync speed vs download/upload speed (Max) ?

      Not really an expert, but those download speeds look about right, maybe a tad slow but hardly worth noticing. Generally I find that you get about a tenth of what you sync at, so for you syncing at 6.5mb should have a max download speed of 650k\s (8mb should give you 800k\s etc.)

      550k\s is reasonable when you consider times of day and bandwitdh available across the network etc.

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      Re: Sync speed vs download/upload speed (Max) ?

      Quote Originally Posted by jim5000 View Post
      Not really an expert, but those download speeds look about right, maybe a tad slow but hardly worth noticing. Generally I find that you get about a tenth of what you sync at, so for you syncing at 6.5mb should have a max download speed of 650k\s (8mb should give you 800k\s etc.)

      550k\s is reasonable when you consider times of day and bandwitdh available across the network etc.

      I think this conclusion is probably right but isn't the maths a bit dodgy?

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      Re: Sync speed vs download/upload speed (Max) ?

      Have you checked your Attenuation and SNR figures? If you have just 'plugged in', and have not optimised your connection, there is a good chance you can do better. You usually find that your download speed will be about 85% of you sync rate, due to overheads. ie don't expect your sync and download to be the same.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





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      Re: Sync speed vs download/upload speed (Max) ?

      Hi again,

      I've already done about as much tweaking as I can. I have the router directly connected to an ADSLNation filtered faceplate, and I'm tweaking the (Speedtouch 546 v5) router with DMT for a 5.5dB noise margin. Attenuation and noise figures are....

      Line Attenuation (Up/Down) [dB]: 29.5 / 48.0
      SN Margin (Up/Down) [dB]: 14.0 / 5.5

      I was getting a similar performance with the supplied router, but the Netgear runs way too warm, and it would be sitting on a sunny window sill, so the Speedtouch is better for me.

      Thanks for all the help and comments - I was forgetting about the overheads

     

     

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