I read the thread. What you replied to was this, > > an IB switch is in the same ballpark as an ethernet switch with the same port speed > And both price tags

I read the thread. What you replied to was this, > > an IB switch is in the same ballpark as an ethernet switch with the same port speed > And both price tags will make Elon's "someone's scamming me with a 'you're an enterprise customer' surcharge" sense tingle. In the context of Tesla doing their own protocol and not-high-end NICs.