Honestly, I can't think of much outside of a MIDI Patch, or a CC command that you'd need to send to an Axe-FX in a live situation. So basically, in the end, built in our not, it's going to be MIDI over wireless Ethernet. That is, if you must have a wireless situation to control you Axe-FX. Especially if the idea is automation, because whatever you use to control your Axe-FX is most likely going to be outputting MIDI. And like you said, if the MIDI source is too far, you're pretty much required to have some sort of MIDI over Ethernet solution, wireless or not. In the end, the only real industry standard is MIDI, which the Axe-FX has covered.