On Tue, 08 Mar 2005 23:15:24 +0000, desert <(E-Mail Removed)>
wrote:
>hi all,
>i have btbroadband,and today they upgraded my line to 2mb.
>the modem connection icon reports the speed as 2.2mb.
>download speeds are great etc.the local exchange is 100 yards
>or so from my home,would this explained the 2.2mb?
>
>just curios
>
No.
The IP traffic leaving your computer is encapsulated in another
protocol, ATM, on the ADSL side of your modem. The extra bandwidth
that you see reported is required to give a full 2Mbps throughput of
IP traffic plus the ATM overhead.
Jake
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