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 |