I'm confused... are you asking about the communication protocol (only) or the viability of the entire J1772 standard? Because J1772 only does AC charging. NAC

I'm confused... are you asking about the communication protocol (only) or the viability of the entire J1772 standard? Because J1772 only does AC charging. NACS does both AC charging and DC fast charging, and the AC is more flexible for installation (both 208 and 277 single and split)