gfe-relnote: Allow GFE to perform initial cwnd up and down experiment. Protected by --gfe2_reloadable_flag_quic_gfe_selected_initial_cwnd_experiments.
The minimum cwnd is 10, and the default enabled up and down experiment is 25%.
PiperOrigin-RevId: 248124804
Change-Id: Ie21685f8e35946eaa499dab935b154b928af7318
diff --git a/quic/core/quic_constants.h b/quic/core/quic_constants.h
index 939f746..caac2c7 100644
--- a/quic/core/quic_constants.h
+++ b/quic/core/quic_constants.h
@@ -61,6 +61,9 @@
// Do not allow initial congestion window to be greater than 200 packets.
const QuicPacketCount kMaxInitialCongestionWindow = 200;
+// Do not allow initial congestion window to be smaller than 10 packets.
+const QuicPacketCount kMinInitialCongestionWindow = 10;
+
// Minimum size of initial flow control window, for both stream and session.
// This is only enforced when version.AllowsLowFlowControlLimits() is false.
const uint32_t kMinimumFlowControlSendWindow = 16 * 1024; // 16 KB
