diff --git a/.gitignore b/.gitignore
index 5ccf008..34d1996 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+main
 ion-load-tool
 *.ivf
 *.webm
diff --git a/main.go b/main.go
index a6dc136..f6ad2ca 100644
--- a/main.go
+++ b/main.go
@@ -18,8 +18,9 @@ func run(e *sdk.Engine, addr, session, file, role string, total, duration, cycle
 	for i := 0; i < total; i++ {
 		switch role {
 		case "pubsub":
-			log.Infof("pubsub session= %v", session)
-			c := e.AddClient(addr, session, fmt.Sprintf("%s_%d", session, i))
+			cid := fmt.Sprintf("%s_pubsub_%d", session, i)
+			log.Infof("AddClient session=%v clientid=%v", session, cid)
+			c := e.AddClient(addr, session, cid)
 			if c == nil {
 				log.Errorf("c==nil")
 				break
@@ -27,8 +28,9 @@ func run(e *sdk.Engine, addr, session, file, role string, total, duration, cycle
 			c.Join(session)
 			c.PublishWebm(file)
 		case "sub":
-			log.Infof("sub session= %v", session)
-			c := e.AddClient(addr, session, fmt.Sprintf("%s_%d", session, i))
+			cid := fmt.Sprintf("%s_sub_%d", session, i)
+			log.Infof("AddClient session=%v clientid=%v", session, cid)
+			c := e.AddClient(addr, session, cid)
 			if c == nil {
 				log.Errorf("c==nil")
 				break
diff --git a/scripts/conference/conference.sh b/scripts/conference/conference.sh
new file mode 100755
index 0000000..957455f
--- /dev/null
+++ b/scripts/conference/conference.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# please run this script with sudo!
+ulimit -c unlimited
+ulimit -SHn 1000000
+sysctl -w net.ipv4.tcp_keepalive_time=60
+sysctl -w net.ipv4.tcp_timestamps=0
+sysctl -w net.ipv4.tcp_tw_reuse=1
+#sysctl -w net.ipv4.tcp_tw_recycle=0
+sysctl -w net.core.somaxconn=65535
+sysctl -w net.ipv4.tcp_max_syn_backlog=65535
+sysctl -w net.ipv4.tcp_syncookies=1
+
+# please run this script with sudo!
+./ion-load-tool -file ./djrm480p.webm -clients 10 -role pubsub -addr "127.0.0.1:8000" -session 'conference' -log debug -cycle 1000
diff --git a/scripts/live/live_pub.sh b/scripts/live/live_pub.sh
new file mode 100755
index 0000000..63a89f6
--- /dev/null
+++ b/scripts/live/live_pub.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# please run this script with sudo!
+ulimit -c unlimited
+ulimit -SHn 1000000
+sysctl -w net.ipv4.tcp_keepalive_time=60
+sysctl -w net.ipv4.tcp_timestamps=0
+sysctl -w net.ipv4.tcp_tw_reuse=1
+#sysctl -w net.ipv4.tcp_tw_recycle=0
+sysctl -w net.core.somaxconn=65535
+sysctl -w net.ipv4.tcp_max_syn_backlog=65535
+sysctl -w net.ipv4.tcp_syncookies=1
+
+# please run this script with sudo!
+./ion-load-tool -file ./djrm480p.webm -clients 1 -role pubsub -addr "127.0.0.1:8000" -session 'live' -log debug -cycle 1000
diff --git a/scripts/live/live_sub.sh b/scripts/live/live_sub.sh
new file mode 100755
index 0000000..18bddbe
--- /dev/null
+++ b/scripts/live/live_sub.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+# please run this script with sudo!
+ulimit -c unlimited
+ulimit -SHn 1000000
+sysctl -w net.ipv4.tcp_keepalive_time=60
+sysctl -w net.ipv4.tcp_timestamps=0
+sysctl -w net.ipv4.tcp_tw_reuse=1
+#sysctl -w net.ipv4.tcp_tw_recycle=0
+sysctl -w net.core.somaxconn=65535
+sysctl -w net.ipv4.tcp_max_syn_backlog=65535
+sysctl -w net.ipv4.tcp_syncookies=1
+
+# please run this script with sudo!
+./ion-load-tool -file ./djrm480p.webm -clients 100 -role sub -addr "127.0.0.1:8000" -session 'live' -log debug -cycle 1000