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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:
  • BBR FAQ:
  • TCP BBR Quick-Start: Building and Running TCP BBR on Google Compute Engine:
  • Mailing list: Test results, performance evaluations, feedback, and BBR-related discussions are very welcome in the public e-mail list for BBR:

The latest Google code for the BBR congestion control algorithm is:

BBR v2 Alpha/Preview release

  • For Linux TCP BBR:

  • For QUIC BBR:

BBR v1 release

  • For Linux TCP BBR:

  • For QUIC BBR:

This is not an official Google product.

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