I think in High-Performance Computing a lot of the networking NICs behave in that way, because you are 100% sure that you know the fabric layout. Stuff like In

I think in High-Performance Computing a lot of the networking NICs behave in that way, because you are 100% sure that you know the fabric layout. Stuff like InfiniBand, HPE Slingshot, Atos BXI, ... There is a consortium that's building a specification for those kinds of things: https://ultraethernet.org/ https://ultraethernet.org/