High Performance Computing on Shaowen Chen's Websitehttps://www.chenshaowen.com/en/tags/high-performance-computing/Recent content in High Performance Computing on Shaowen Chen's WebsiteHugo -- gohugo.ioen©2016 - {year}, All Rights Reserved.Sat, 22 Aug 2026 00:00:00 +0000weeklyRDMA Operationshttps://www.chenshaowen.com/en/blog/rdma-ops.htmlSat, 22 Aug 2026 00:00:00 +0000Sat, 22 Aug 2026 00:00:00 +0000https://www.chenshaowen.com/en/blog/rdma-ops.html1. RoCE 1.1 Connectivity Requirements RDMA requires the same class of network end to end, for example the same /16 subnet. Single switch. RoCE: host NIC ── Ethernet switch (PFC) ── peer NIC Multiple switches. RoCE: host NIC ── Leaf ── Spine ── Leaf ── peer NIC When there are multiple hops, note:微信公众号RDMARoCEInfiniBandNetworkOperationsHigh Performance Computing