I had to specifically ask for fastpath for my DSL connection, without it I get around 35ms to the exchange. You however do need a decent connection to the DSLAM

I had to specifically ask for fastpath for my DSL connection, without it I get around 35ms to the exchange. You however do need a decent connection to the DSLAM for it to work properly without packet loss. You can get the same bandwidth over fastpath as interleaving if the line is clean.