Where's Padlipski when we need him?
Running IP datagrams across barbed-wire, methinks. 
What ATM has is an excellent set of buzzwords and a lot of vendor support.
What IP has is an actual market with real end-to-end products and users.
Therein lies the thrust, Paul. Folks need to devise a more
'real-world' concept of acceptable long-haul data transport services.
- paul