Remote Directory Memory Access over converged Ethernet (RoCE) for those times when low network latency and high capacity are important. Because RoCE bypasses system and kernel calls to place data directly into remote system memory with less CPU overhead, the High Performance Networking is ideal for high-speed data processing applications that require low latency, for speeding up cluster locking, which is especially useful in massively parallel computer clusters. or for scaling up applications on distributed systems without investing in specialized networking technologies.
1. Calling the technology “RDMA over” instead of “InfiniBand over” is overly vague and intentionally deceptive. We already have “RDMA over Ethernet” — except we’ve been calling it iWARP. Choosing “RoCE” is somewhat like talking about “Storage over Ethernet” instead of “Fibre Channel over Ethernet.” Sure, FCoE is storage over ethernet, but so is iSCSI.
