Further references related to tcp tuning params : https://cloud.google.com/architecture/tcp-optimization-for-network-performance-in-gcp-and-hybrid https://blog.cloudflare.com/optimizing-tcp-for-high-throughput-and-low-latency/ https://www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca/netperf/tuning-tcp.shtml https://indico.cern.ch/event/558754/contributions/2387602/attachments/1380046/2097515/ATCF2-20161130-TCP-Tuning.pdf