Well, Infiniband is intended mainly for supercomputers. So security is of no real concern within the Imfiniband network as that is implicitly a trusted environ

Well, Infiniband is intended mainly for supercomputers. So security is of no real concern within the Imfiniband network as that is implicitly a trusted environment. Access comtrol to that network is the main security boundary. Edit: Also, lots of simulation codes I am aware of tend to send flat arrays anyway. So I'd say that your concerns are mostly theoretical in nature.