[Gllug] Bank Holiday Monday type question

Chris Bell chrisbell at overview.demon.co.uk
Mon May 30 17:15:08 UTC 2005


On Mon 30 May, Benedikt Heinen wrote:
> 

> 
>    b) ADSL is based on ATM technology, that is - it's not routing
>       frames or packets but cells of a fixed size (if my memory serves
>       me correctly, it will break your IP packet down into payloads of
>       40 bytes, with some 8 or so bytes overhead per cell), so there is
>       some (minimal) extra overhead splitting (very minimal) the IP packet
>       on one end, and (potentially a tad more costly - but still minimal)
>       assembling the packet on the receiver's side.
> 
   Has this been changed? I understand that much of the BT network can now
handle the normal packet size, but I am not sure how this was done.


-- 
Chris Bell

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