RoCE vs. iWARP

Presented by

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

About this talk

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. In the next SNIA ESF “Great Storage Debates” series webcasts, we’ll be examining 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. The goal of this presentation is to provide a solid foundation on both RDMA technologies in a vendor-neutral setting that discusses the capabilities and use cases for each so that attendees can become more informed and make educated decisions. 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? Join our SNIA experts as they answer all these questions and more on this next Great Storage Debate After you watch the webcast, check out the Q&A blog

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