MaGe Linux Operations

Dec 15, 2022 · Fundamentals

Why BBRv2 Redefines TCP Congestion Control: Lessons from BBRv1’s Shortcomings

BBRv2 improves upon the original BBR algorithm by more accurately measuring delivery rate, constraining inflight data with loss and ECN signals, and introducing a dynamic state machine that enhances fairness and coexistence with Reno/CUBIC, addressing the multi‑flow fairness and queueing issues that plagued BBRv1.