Much as I will always think of you as Zero now, or is that Zorro............
I believe xvo, is closer to the mark that the OP wants network to network connectivity.
The question he posed so elegantly is
a. does one want to separate networks that can see each other readily (as if on the same LAN).
b. does one want to put them on the SAME LAN.
I would probably like a, because I wouldnt want my local subnet to be predicated and functioning ONLY if the far site is working.
Can you log into an android smart phone from your windows PC to see what is going on, on an android phone?
Similarly what about windows PCs to an IPAD?
I'd rather manage rats than software. Follow my advice at your own risk! (Sob & mkx forced me to write that!)
MTUNA Certified, by the Ascerbic Llama!