From 2e63b291915b2153969c2f356388b0c1d83a1298 Mon Sep 17 00:00:00 2001
From: v2ray <admin@v2ray.com>
Date: Mon, 27 Jun 2016 09:14:30 +0200
Subject: [PATCH] correct srtt boundary

---
 transport/internet/kcp/kcp.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/transport/internet/kcp/kcp.go b/transport/internet/kcp/kcp.go
index ab4c0886..6ddcad4f 100644
--- a/transport/internet/kcp/kcp.go
+++ b/transport/internet/kcp/kcp.go
@@ -263,8 +263,8 @@ func (kcp *KCP) update_ack(rtt int32) {
 		}
 		kcp.rx_rttvar = (3*kcp.rx_rttvar + uint32(delta)) / 4
 		kcp.rx_srtt = (7*kcp.rx_srtt + uint32(rtt)) / 8
-		if kcp.rx_srtt < 1 {
-			kcp.rx_srtt = 1
+		if kcp.rx_srtt < kcp.interval {
+			kcp.rx_srtt = kcp.interval
 		}
 	}
 	rto = kcp.rx_srtt + _imax_(kcp.interval, 4*kcp.rx_rttvar)