As far as I know, Slingshot uses a layer 1 that is exactly the same as Ethernet and allows layer 2 ethernet packets to enter switches. However, it has several layer 1/2 extensions that let it look more like Infiniband to use cases that need it, including flow control and congestion control.
Comments
seems to be a proprietary interconnect that is “Ethernet compatible”
https://www.hpe.com/us/en/compute/hpc/slingshot-interconnect...
As far as I know, Slingshot uses a layer 1 that is exactly the same as Ethernet and allows layer 2 ethernet packets to enter switches. However, it has several layer 1/2 extensions that let it look more like Infiniband to use cases that need it, including flow control and congestion control.