gfe-relnote: In QUIC, default enable IETF loss detection with 1/4 RTT time threshold and adaptive packet threshold. Protected by existing gfe2_reloadable_flag_quic_default_on_ietf_loss_detection.
PiperOrigin-RevId: 284345000
Change-Id: I83071dae7ac6c0e2598d23fe555716c26bc9730e
diff --git a/quic/core/quic_constants.h b/quic/core/quic_constants.h
index 3264c15..0c6c4ff 100644
--- a/quic/core/quic_constants.h
+++ b/quic/core/quic_constants.h
@@ -248,6 +248,9 @@
// packet is lost due to early retransmission by time based loss detection.
static const int kDefaultLossDelayShift = 2;
+// Default fraction (1/8) of an RTT when doing IETF loss detection.
+static const int kDefaultIetfLossDelayShift = 3;
+
// Maximum number of retransmittable packets received before sending an ack.
const QuicPacketCount kDefaultRetransmittablePacketsBeforeAck = 2;
// Wait for up to 10 retransmittable packets before sending an ack.
