RDMA Usage Comparison¶
This section compares RDMA network usage across various CNIs (Container Network Interfaces).
| Functionality Comparison | Passthrough via MACVLAN/IPVLAN + RoCE | Passthrough via SRIOV + RoCE | Passthrough via SRIOV + InfiniBand |
|---|---|---|---|
| Performance | Good | Very Good | Best |
| Number of pods supported per node | Unlimited | Number of split Virtual Functions on a restricted SmartNIC | Number of split Virtual Functions on a restricted SmartNIC |
| Switch | Ethernet Switch | Ethernet Switch | InfiniBand Switch |
| Cost | Low | Medium | High |
| Stability | Good | Very Good | Best |
| Bandwidth Isolation | Fair | Good | Good |