> to take advantage of the monstrous bandwidth offered by modern ethernet, OS bypass with the card DMAing directly in your process cache is a must.

Architecture problem. Do your programs normally saturate a 40 gig network pipe?

> The reality is that a programming language that claims to be usable for system programming must be able to deal with shared memory and provide a concurrent memory model.

You can boot up a Plan 9 kernel and tell me if it works or not. Like, this is not a high bar, but you keep treating it like it is because it's based on the assumption that all compilers are broken with the set of all compilers being GCC.