Sebastian Moeller <moeller0@gmx.de> writes:

> As far as I can tell at least VDSL typically means VDSL2 and that
> probably means PTM instead of ATM. In essence this means you do not
> have to deal with ATMs 48 payload bytes per 53 byte cell transport
> inefficiencies. So all you need to deal with is per packet overhead.
> Then again I am sure you probably know that already. (Sidenote, as far
> as I understand (so not very far) using ATM for DSL connections with
> POTS service in the lower frequency range never made much sense at
> all, the 5 byte ATM header typically was constant and by that just
> ballast and the 48 byte quantization on the last mile never came with
> any benefits, but I digress)

Right, thanks. So that means the overhead is constant per (ethernet)
package?

-Toke