HPN-SSH - High Performance Data Transfers with SSH

Learn about HPN-SSH, a high-performance fork of OpenSSH designed to maximize bulk data transfer speeds across wide area networks in this 32-minute conference talk. Discover how HPN-SSH achieves throughput rates exceeding 8Gbps on single encrypted streams through optimized receive buffers, improved cipher performance, and specialized tunings while maintaining full compatibility with all SSHv2 implementations. Explore the technical implementation details including application and TCP receive buffer normalization, parallelized symmetric key encryption ciphers, and practical deployment scenarios. Gain insights into how this enhanced SSH implementation can serve as a drop-in replacement for OpenSSH in high-performance computing environments, along with discussion of ongoing research and future development directions for optimizing secure data transfers over high-speed networks.