gfe-relnote: Change cwnd bootstrapping UpAndDown experiment group IW to 10. Protected by existing gfe2_reloadbale_flag_quic_use_ip_bandwidth_module.
PiperOrigin-RevId: 288944171
Change-Id: I592e73e337bb7dc8428590611169c13f41202ba8
diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 6f5e348..e6500f3 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -239,6 +239,11 @@
send_algorithm_->SetInitialCongestionWindowInPackets(50);
}
}
+ if (GetQuicReloadableFlag(quic_use_ip_bandwidth_module) &&
+ config.HasClientRequestedIndependentOption(kBWS5, perspective)) {
+ initial_congestion_window_ = 10;
+ send_algorithm_->SetInitialCongestionWindowInPackets(10);
+ }
using_pacing_ = !GetQuicFlag(FLAGS_quic_disable_pacing_for_perf_tests);
diff --git a/quic/core/quic_sent_packet_manager_test.cc b/quic/core/quic_sent_packet_manager_test.cc
index 7e8e3e7..5322ffb 100644
--- a/quic/core/quic_sent_packet_manager_test.cc
+++ b/quic/core/quic_sent_packet_manager_test.cc
@@ -3313,6 +3313,20 @@
manager_.GetRetransmissionTime());
}
+TEST_F(QuicSentPacketManagerTest, IW10ForUpAndDown) {
+ SetQuicReloadableFlag(quic_use_ip_bandwidth_module, true);
+ QuicConfig config;
+ QuicTagVector options;
+ options.push_back(kBWS5);
+ QuicConfigPeer::SetReceivedConnectionOptions(&config, options);
+ EXPECT_CALL(*send_algorithm_, SetFromConfig(_, _));
+ EXPECT_CALL(*send_algorithm_, SetInitialCongestionWindowInPackets(10));
+ EXPECT_CALL(*network_change_visitor_, OnCongestionChange());
+ manager_.SetFromConfig(config);
+
+ EXPECT_EQ(10u, manager_.initial_congestion_window());
+}
+
} // namespace
} // namespace test
} // namespace quic
