diff --git a/main.star b/main.star
index df1e291..ada0fd0 100755
--- a/main.star
+++ b/main.star
@@ -1,13 +1,21 @@
 DEFAULT_CONFIG_FILE = "github.com/logos-co/wadoku/waku/config.json"
+DEFAULT_RUN_PAIR = "lf"
+
 
 def get_config_file(args):
     return DEFAULT_CONFIG_FILE if not hasattr(args, "config") else args.config
 
 
+def get_run_pair(args):
+    return DEFAULT_RUN_PAIR if not hasattr(args, "run_pair") else args.run_pair
+
+
 def run(args):
     print(args)
     config_file = get_config_file(args)
+    run_pair = get_run_pair(args)
     print("Reading the config from: %s" %config_file)
+    print("The runpair is %s" %run_pair)
     config_json = read_file(src=config_file)
     config = json.decode(config_json)
 
@@ -19,7 +27,10 @@ def run(args):
     ctopic = config['content_topic']
     print(config)
 
-    waku_filtr = add_service(
+
+    if run_pair == "lf":                # run lightpush and filter
+
+      waku_filtr = add_service(
         service_id = "waku-filter",
         config = struct(
             image = "waku-filter:alpha",
@@ -30,8 +41,8 @@ def run(args):
                     "-l=" + loglvl,
                     "-i=" + iat ],
         ),
-    )
-    waku_lpush = add_service(
+      )
+      waku_lpush = add_service(
         service_id = "waku-lightpush",
         config = struct(
             image = "waku-lightpush:alpha",
@@ -42,7 +53,33 @@ def run(args):
                     "-l=" + loglvl,
                     "-i=" + iat ],
         ),
-    )
+      )
+      print(waku_filtr, waku_lpush)
 
-    print(waku_filtr, waku_lpush)
+    else:                             # run waku publish and subscribe
 
+      waku_sub = add_service(
+        service_id = "waku-subscribe",
+        config = struct(
+            image = "waku-subscribe:alpha",
+            entrypoint= ["/go/bin/waku-subscribe"],
+            cmd = [ "-o=" + "/go/bin/out/subscribe.out",
+                    "-d=" + duration,
+                    "-c=" + ctopic,
+                    "-l=" + loglvl,
+                    "-i=" + iat ],
+        ),
+     )
+      waku_pub = add_service(
+        service_id = "waku-publish",
+        config = struct(
+            image = "waku-publish:alpha",
+            entrypoint= ["/go/bin/waku-publish"],
+            cmd = [ "-o=" + "/go/bin/out/publish.out",
+                    "-d=" + duration,
+                    "-c=" + ctopic,
+                    "-l=" + loglvl,
+                    "-i=" + iat ],
+        ),
+      )
+      print(waku_sub, waku_pub)
diff --git a/run-waku.sh b/run-waku.sh
index 77c6aaf..70258cd 100755
--- a/run-waku.sh
+++ b/run-waku.sh
@@ -1,13 +1,24 @@
 #!/bin/sh
 
 usage(){
-  echo "Usage: ./run.sh   < clean | metal | docker | kurtosis>"
+  echo "Usage: ./run.sh   <clean | metal | docker | kurtosis> <duration> <time> <ps|lf>"
   exit 1
 }
 
+run_pair="lf"
 # two tests per run
-filtr="filter"
-lpush="lightpush"
+if [ lf = $4 ]; then
+  lpush="lightpush"
+  filtr="filter"
+elif [ ps = $4 ]; then
+  lpush="publish"
+  filtr="subscribe"
+  run_pair="ps"
+# two tests per run
+else
+  echo "Unknown run pair: $4"
+  usage
+fi
 
 # file/dir locations
 prefix="waku"
@@ -18,14 +29,14 @@ host_output_dir="/home1/mimosa/runs"
 # params for the run
 ctopic="8fc1f6b30b63bdd0a65df833f1da3fa"  # default ctopic, a md5 
 duration="100s"                           # duration of the run
-iat="100ms"                               # pub msg inter-arrival-time
+iat="100ms"                                # pub msg inter-arrival-time
 loglvl="info"                             # log level
 
 duration=$2
 #iat=$3
 
 sleep_time=20
-time=""
+time=$3
 
 unique="XYZ"
 
@@ -65,7 +76,7 @@ build_docker() {
 
 
 start() {
-  time="$(\date +"%Y-%m-%d-%Hh%Mm%Ss")"
+  #time="$(\date +"%Y-%m-%d-%Hh%Mm%Ss")"
   ctopic="$duration-$iat-$time-$unique"
   echo "\t\t.............................................."
   echo "\t\tBEGINNING THE $1 RUN @ $time"
@@ -86,7 +97,7 @@ metal_run() {
   FTDIR="$host_output_dir/data/metal/$ctopic"
   LPDIR="$host_output_dir/data/metal/$ctopic"
 
-  killall -9 $prefix-$filtr $prefix-$lpush
+  killall -SIGTERM $prefix-$filtr $prefix-$lpush  # TODO: send SIGTERM/SIGINT
   cd waku/$filtr
   [ -d $FTDIR ] || mkdir -p $FTDIR
   ofname="$FTDIR/$filtr.out"
@@ -94,7 +105,7 @@ metal_run() {
   ./$prefix-$filtr -o $ofname -d $duration -i $iat  -l $loglvl -c $ctopic > $FTDIR/$filtr.log &  
   echo " done"
   cd ..
-  cd lightpush
+  cd $lpush
 
   sleep $sleep_time
 
@@ -122,7 +133,7 @@ docker_run() {
   [ -d $FTDIR ] || mkdir -p $FTDIR
   ofname="$FTDIR/$filtr.out"
   echo "docker: stopping and removing $prefix-$filtr"
-  docker stop $prefix-$filtr
+  docker stop $prefix-$filtr    # NOTE: docker stop sends SIGTERM; stick to it
   docker rm $prefix-$filtr
   echo "docker: starting $prefix-$filtr"
   echo "docker run --name "$prefix-$filtr" -d=true "$prefix-$filtr:alpha" -o "$docker_op_dir/$filtr.out" -d $duration -l $loglvl -i $iat -c $ctopic "
@@ -134,7 +145,7 @@ docker_run() {
   [ -d $LPDIR ] || mkdir -p $LPDIR
   ofname="$LPDIR/$lpush.out"
   echo "docker: stopping and removing $prefix-$lpush"
-  docker stop $prefix-$lpush
+  docker stop $prefix-$lpush    # NOTE: docker stop sends SIGTERM; stick to it
   docker rm $prefix-$lpush
   echo "docker: starting $prefix-$lpush"
   echo " docker run --name "$prefix-$lpush" -d=true "$prefix-$lpush:alpha" -o "$docker_op_dir/$lpush.out" -d $duration -i $iat -l $loglvl -c $ctopic"
@@ -167,7 +178,7 @@ kurtosis_run() {
   [ -d $FTDIR ] || mkdir -p $FTDIR
   [ -d $LPDIR ] || mkdir -p $LPDIR
   #cd waku
-  kurtosis clean -a
+  kurtosis clean -a             # TODO: find out what signal kurtosis sends
   docker rm $prefix-$filtr
   docker rm $prefix-$lpush
 
@@ -179,9 +190,10 @@ kurtosis_run() {
   \"content_topic\": \"$ctopic\",
   \"log_level\": \"$loglvl\",
   \"log_file\": \"output.log\"
-}" > waku/config.json
+  }" > waku/config.json
 
-  kurtosis run --enclave-id $enclave . '{"config":"github.com/logos-co/wadoku/waku/config.json"}' > $FTDIR/kurtosis_output.log
+  echo "kurtosis run --enclave-id $enclave .  '{\"config\":\"github.com/logos-co/wadoku/waku/config.json\", \"run_pair\":\"$run_pair\"}' > $FTDIR/kurtosis_output.log"
+   kurtosis run --enclave-id $enclave . '{"config":"github.com/logos-co/wadoku/waku/config.json", "run_pair":"'$run_pair'"}' > $FTDIR/kurtosis.output
 
   sleep $sleep_time
 
@@ -206,11 +218,10 @@ kurtosis_run() {
 }
 
 
-echo "$# $1 $2"
-[ 2 -eq "$#" ] || usage
+echo "$# $1 $2 $3 $4"
+[ 4 -eq "$#" ] || usage
 [ metal != $1 -a docker != $1 -a kurtosis != $1 -a clean != $1 ] && usage
 
-
 if [ clean = $1 ]; then
   start $1 
   clean
diff --git a/waku/subscribe/dockerfile b/waku/subscribe/dockerfile
index 212b1c9..4bf970f 100644
--- a/waku/subscribe/dockerfile
+++ b/waku/subscribe/dockerfile
@@ -3,11 +3,11 @@ FROM golang:1.18
 
 # Create the app directory to hold app’s source code
 
-ADD waku-subscribe /go/bin/waku-subscribe
+ADD ./waku-subscribe /go/bin/waku-subscribe
 RUN umask -S 202
 RUN mkdir -p /go/bin/out
 
-ADD subscribe.go /go/src/subscribe.go
+ADD ./subscribe.go /go/src/subscribe.go
 ADD go.mod go.sum /go/src/
 
 # Tells Docker which network port your container listens on
diff --git a/waku/subscribe/subscribe.go b/waku/subscribe/subscribe.go
index d21cd99..d72dfbc 100644
--- a/waku/subscribe/subscribe.go
+++ b/waku/subscribe/subscribe.go
@@ -120,6 +120,10 @@ func main() {
 		log.Info("Waiting to receive the message")
 		for env := range theSub.C {
 			msg := env.Message()
+      // ignore other relay messages
+      if msg.ContentTopic != conf.ContentTopic {
+        continue
+      }
 
       rbuf := bytes.NewBuffer(msg.Payload)
       var r32 int32 //:= make([]int64, (len(msg.Payload)+7)/8)