This open source distribution contains documentation, scripts, and other materials related to the BBR congestion control algorithm. Quick links: - TCP BBR v2 Alpha/Preview Release: https://github.com/google/bbr/blob/v2alpha/README.md - BBR FAQ: https://github.com/google/bbr/blob/master/Documentation/bbr-faq.md - TCP BBR Quick-Start: Building and Running TCP BBR on Google Compute Engine: https://github.com/google/bbr/blob/master/Documentation/bbr-quick-start.md - Mailing list: Test results, performance evaluations, feedback, and BBR-related discussions are very welcome in the public e-mail list for BBR: https://groups.google.com/d/forum/bbr-dev The latest Google code for the BBR congestion control algorithm is: BBR v2 Alpha/Preview release ---------------------------- - For Linux TCP BBR: https://github.com/google/bbr/blob/v2alpha/net/ipv4/tcp_bbr2.c - For QUIC BBR: https://github.com/google/quiche/blob/main/quiche/quic/core/congestion_control/bbr2_sender.cc https://github.com/google/quiche/blob/main/quiche/quic/core/congestion_control/bbr2_sender.h BBR v1 release ---------------------------- - For Linux TCP BBR: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git/tree/net/ipv4/tcp_bbr.c - For QUIC BBR: https://github.com/google/quiche/blob/main/quiche/quic/core/congestion_control/bbr_sender.cc https://github.com/google/quiche/blob/main/quiche/quic/core/congestion_control/bbr_sender.h This is not an official Google product.