X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fprotocol_misc.c;h=309deffdba29eeae2cd80f5df65e78a0c71c0b28;hp=52e97e5448193f9260a86d605e80e4996cebd89b;hb=c23fcf555ee4b69f03b76a0ffb731c3a475a77e7;hpb=de78d79db84c486afcc353884ec1770866beb653

diff --git a/src/protocol_misc.c b/src/protocol_misc.c
index 52e97e54..309deffd 100644
--- a/src/protocol_misc.c
+++ b/src/protocol_misc.c
@@ -1,7 +1,7 @@
 /*
     protocol_misc.c -- handle the meta-protocol, miscellaneous functions
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2006 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2009 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -155,9 +155,10 @@ bool send_tcppacket(connection_t *c, vpn_packet_t *packet)
 {
 	cp();
 
-	/* If there already is a lot of data in the outbuf buffer, discard this packet. */
+	/* If there already is a lot of data in the outbuf buffer, discard this packet.
+           We use a very simple Random Early Drop algorithm. */
 
-	if(c->outbuflen > maxoutbufsize)
+	if(2.0 * c->outbuflen / (float)maxoutbufsize - 1 > (float)rand()/(float)RAND_MAX)
 		return true;
 
 	if(!send_request(c, "%d %hd", PACKET, packet->len))