Protocol

iWARP

RDMA over TCP

Lab ready Full lab

RDMA over TCP/IP using MPA framing with DDP and RDMAP layers. It traverses lossy networks better than RoCE but needs different NIC offloads and tuning. Less common than RoCEv2 in GPU clusters, yet still present in storage and enterprise RDMA.

Domains

Tags

rdmatcpmpaddp

Sources

  • RFC 5040 (RDMAP)
  • RFC 5041 (DDP)
  • RFC 5044 (MPA)

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