RDMA and Linux TCP - Zero-Copy Kernel Bypass for High-Performance Networking

Learn about integrating RDMA interfaces with Linux TCP stacks in this 41-minute technical talk from Enfabrica engineers Shrijeet Mukherjee and David Ahern. Explore the implementation of zero-copy, asynchronous kernel bypass interfaces for standard Linux TCP stack operations at 800Gbps speeds. Dive into key topics including TCP performance bottlenecks, FPGA-based testing platforms, kernel stack onloading techniques, and the merger of different networking paradigms. Examine detailed performance results from 100G setups, focusing on throughput and interference metrics. Gain practical insights into optimizing TCP performance through RDMA integration, with real-world implementation examples and performance benchmarks.