From what I can tell from my modem stats, my connections interleave depth is zero.
Its not a flash connection however.
Totally died about two weeks ago, chorus tech came & had a look & fixed, and its been limping along ever since.
dDDLM has slowly been bringing it back up to life, and now my upload is well over 50% better than before dDDLM, download is getting there.
Big gap between Maximum down rate, and Actual down line rate.