RoCE vs. iWARP

Описание: Network-intensive applications, like networked storage or clustered computing, require a network infrastructure with high bandwidth and low latency. Remote Direct Memory Access (RDMA) supports zero-copy data transfers by enabling movement of data directly to or from application memory. This results in high bandwidth, low latency networking with little involvement from the CPU.

This presentation examines two commonly known RDMA protocols that run over Ethernet; RDMA over Converged Ethernet (RoCE) and IETF-standard iWARP. Both are Ethernet-based RDMA technologies that reduce the amount of CPU overhead in transferring data among servers and storage systems.

Join to hear the following questions addressed:

Both RoCE and iWARP support RDMA over Ethernet, but what are the differences?
Use cases for RoCE and iWARP and what differentiates them?
UDP/IP and TCP/IP: which uses which and what are the advantages and disadvantages?
What are the software and hardware requirements for each?
What are the performance/latency differences of each?

Presented by John Kim, Mellanox; Fred Zhang, Intel; Tim Lustig, Mellanox
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