>> While we might choose to restrict our definition of edge filtering to >> the single-homed customers of retail ISPs, there are rather a lot of >> those. There is on the other hand a plurality of transit ISPs that >> cannot implement BCP 38 as envisioned or even something close to it. > > Completely agree, so why not start with the single home customers. > What about look at default configuration of CPEs and alike? What > about...I just do not know. Something just must be done. go to isoc manrs, sign up to have your logo on the glossies, and then go home and make major blunders. after all, a number of big isps are doing it. and, in the meantime, ietf idealists can continue to blame operators, operators can continue to blame vendors (and ietf idealists), and vendors can ask where the cash comes from. and therein lies the disconnect. the pain is far removed from the basic causes. this generally does not work out very well. randy, who should have stayed out of this silliness