[LARTC] alot of traffic over pppoe ?

[raptor@tvskat.net]

hi

I was wondering is pppoe scalable enought to support Gbps speeds or at least tens of hundred of Mbps ?
>From the docs I read it seems that after user is auth over pppoe the client traffic still passes over ppp-channel
from 
 pppoe-client <---> pppoe-server <---> Internet
Instead of 
 pppoe-client <--->  Internet

m'I correct with this assumption ? 
>From this I conclude that maximum traffic is the amout the server will be able to handle,
but not so dependable from the Layer2-network capabilities..

So is there something I'm missing here ? 

tia