Harmonic - Hardware-assisted RDMA Performance Isolation for Public Clouds

Explore a groundbreaking solution for RDMA performance isolation in public cloud environments through this conference talk from NSDI '24. Dive into the challenges of sharing resources in multi-tenant systems, particularly with RDMA networking, and discover how the innovative Harmonic system addresses these issues. Learn about the unique microarchitecture-aware approach that combines a programmable intelligent PCIe switch and an RDMA-friendly rate limiter to accurately monitor and control RDMA NIC resource usage per tenant. Gain insights into the evaluation process using the Husky test suite and Redis database application, and understand how Harmonic outperforms existing isolation solutions. Explore the potential impact of this research on improving performance isolation and resource sharing in cloud computing environments.