if our delay measurement exceeds the RTT, adjust the base delay so th…

…at our estimate matches the RTT
corefan · Feb 9, 2011 · f517d3a · f517d3a
1 parent a081cfb
commit f517d3a
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/utp.cpp b/utp.cpp
@@ -1965,6 +1965,13 @@ size_t UTP_ProcessIncoming(UTPSocket *conn, const byte *packet, size_t len, bool
 		}
 	}
 */
+
+	// if the delay estimate exceeds the RTT, adjust the base_delay to
+	// compensate
+	if (conn->our_hist.get_value() > uint32(min_rtt)) {
+		conn->our_hist.shift(conn->our_hist.get_value() - min_rtt);
+	}
+
 	// only apply the congestion controller on acks
 	// if we don't have a delay measurement, there's
 	// no point in invoking the congestion control