diff --git a/near-rt-ric-simulator/Dockerfile b/near-rt-ric-simulator/Dockerfile
index 4eaf9ed161ca179253b14338de69b412336f98ea..05a75fd1e3dfbcd95258f5f4b24dd11be62071de 100644
--- a/near-rt-ric-simulator/Dockerfile
+++ b/near-rt-ric-simulator/Dockerfile
@@ -21,8 +21,16 @@ WORKDIR /usr/src/app
 
 RUN pip install connexion[swagger-ui]
 
-COPY src src
+#install nginx
+RUN apt-get update
+RUN apt-get install -y nginx=1.14.*
+
+#install curl
+RUN apt-get install -y curl
 
+COPY src src
 COPY api api
+COPY nginx.conf nginx.conf
 
+RUN chmod +x src/start.sh
 CMD src/start.sh ${A1_VERSION}
diff --git a/near-rt-ric-simulator/certificate/pass b/near-rt-ric-simulator/certificate/pass
new file mode 100644
index 0000000000000000000000000000000000000000..30d74d258442c7c65512eafab474568dd706c430
--- /dev/null
+++ b/near-rt-ric-simulator/certificate/pass
@@ -0,0 +1 @@
+test
\ No newline at end of file
diff --git a/near-rt-ric-simulator/nginx.conf b/near-rt-ric-simulator/nginx.conf
new file mode 100644
index 0000000000000000000000000000000000000000..5ba9dbe34481b2863f1215cd9c9e0a7623c8ffc4
--- /dev/null
+++ b/near-rt-ric-simulator/nginx.conf
@@ -0,0 +1,100 @@
+user www-data;
+worker_processes auto;
+pid /run/nginx.pid;
+include /etc/nginx/modules-enabled/*.conf;
+
+events {
+    worker_connections 768;
+    # multi_accept on;
+}
+
+http {
+
+    ##
+    # Basic Settings
+    ##
+
+    sendfile on;
+    tcp_nopush on;
+    tcp_nodelay on;
+    keepalive_timeout 65;
+    types_hash_max_size 2048;
+    # server_tokens off;
+
+    # server_names_hash_bucket_size 64;
+    # server_name_in_redirect off;
+
+    include /etc/nginx/mime.types;
+    default_type application/octet-stream;
+
+    server { # simple reverse-proxy
+        listen      8085;
+        listen      [::]:8085;
+        listen      8185 ssl;
+        listen      [::]:8185 ssl;
+        server_name  localhost;
+        ssl_certificate     /usr/src/app/cert/cert.crt;
+        ssl_certificate_key /usr/src/app/cert/key.crt;
+        ssl_password_file   /usr/src/app/cert/pass;
+
+        # serve dynamic requests
+        location / {
+        proxy_pass      http://localhost:2222;
+        }
+    }
+    ##
+    # SSL Settings
+    ##
+
+    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # Dropping SSLv3, ref: POODLE
+    ssl_prefer_server_ciphers on;
+
+    ##
+    # Logging Settings
+    ##
+
+    access_log /var/log/nginx/access.log;
+    error_log /var/log/nginx/error.log;
+
+    ##
+    # Gzip Settings
+    ##
+
+    gzip on;
+
+    # gzip_vary on;
+    # gzip_proxied any;
+    # gzip_comp_level 6;
+    # gzip_buffers 16 8k;
+    # gzip_http_version 1.1;
+    # gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
+
+    ##
+    # Virtual Host Configs
+    ##
+
+    include /etc/nginx/conf.d/*.conf;
+    include /etc/nginx/sites-enabled/*;
+}
+
+
+#mail {
+#	# See sample authentication script at:
+#	# http://wiki.nginx.org/ImapAuthenticateWithApachePhpScript
+#
+#	# auth_http localhost/auth.php;
+#	# pop3_capabilities "TOP" "USER";
+#	# imap_capabilities "IMAP4rev1" "UIDPLUS";
+#
+#	server {
+#		listen     localhost:110;
+#		protocol   pop3;
+#		proxy      on;
+#	}
+#
+#	server {
+#		listen     localhost:143;
+#		protocol   imap;
+#		proxy      on;
+#	}
+#}
\ No newline at end of file
diff --git a/near-rt-ric-simulator/src/1.1.x-alpha.2/main.py b/near-rt-ric-simulator/src/1.1.x-alpha.2/main.py
index e979bd850152a63b7a4a498109e5603e447b8740..ddba11e3c08ffb63b1dda151961c73d0adec638a 100644
--- a/near-rt-ric-simulator/src/1.1.x-alpha.2/main.py
+++ b/near-rt-ric-simulator/src/1.1.x-alpha.2/main.py
@@ -130,18 +130,11 @@ def getCounter(countername):
       return "Counter name: "+countername+" not found.",404
 
 
-port_number = 8085
+port_number = 2222
 if len(sys.argv) >= 2:
   if isinstance(sys.argv[1], int):
     port_number = sys.argv[1]
 
-port_number_secure=8185
-
 app.add_api('a1-openapi.yaml')
-context=get_security_context()
-if (context == None):
-  print("Start on non-secure port: "+str(port_number))
-  app.run(port=port_number, host="::")
-else:
-  print("Start on secure port: "+str(port_number_secure))
-  app.run(port=port_number_secure, host="::", ssl_context=context)
\ No newline at end of file
+
+app.run(port=port_number, host="127.0.0.1", threaded=False)
\ No newline at end of file
diff --git a/near-rt-ric-simulator/src/OSC_2.1.0/main.py b/near-rt-ric-simulator/src/OSC_2.1.0/main.py
index 2614ada5e7d1fb21b09a5f639ae0fabf71f9f320..dc25626847cbf811cbdba7b770e3399778e6c47e 100644
--- a/near-rt-ric-simulator/src/OSC_2.1.0/main.py
+++ b/near-rt-ric-simulator/src/OSC_2.1.0/main.py
@@ -26,11 +26,28 @@ from flask import Flask, escape, request, Response
 from jsonschema import validate
 from var_declaration import policy_instances, policy_types, policy_status, policy_fingerprint, forced_settings, hosts_set
 from maincommon import *
+from time import sleep
 
 
 check_apipath()
 
 app = connexion.FlaskApp(__name__, specification_dir=apipath)
+t=[] ##varialbe for test purpose
+
+#long poll
+@app.route('/long', methods=['GET'])
+def longpoll():
+    global t
+    sleep(10)
+    t.append(1)
+    return Response(str(t), 200, mimetype='text/plain')
+
+#short poll
+@app.route('/short', methods=['GET'])
+def shortpoll():
+    global t
+    t.append(2)
+    return Response(str(t), 200, mimetype='text/plain')
 
 #Check alive function
 @app.route('/', methods=['GET'])
@@ -199,18 +216,11 @@ def getCounter(countername):
   else:
     return Response("Counter name: "+countername+" not found.",404, mimetype='text/plain')
 
-port_number = 8085
+port_number = 2222
 if len(sys.argv) >= 2:
   if isinstance(sys.argv[1], int):
     port_number = sys.argv[1]
 
-port_number_secure=8185
-
 app.add_api('openapi.yaml')
-context=get_security_context()
-if (context == None):
-  print("Start on non-secure port: "+str(port_number))
-  app.run(port=port_number, host="::")
-else:
-  print("Start on secure port: "+str(port_number_secure))
-  app.run(port=port_number_secure, host="::", ssl_context=context)
\ No newline at end of file
+
+app.run(port=port_number, host="127.0.0.1", threaded=False)
\ No newline at end of file
diff --git a/near-rt-ric-simulator/src/STD_1.1.3/main.py b/near-rt-ric-simulator/src/STD_1.1.3/main.py
index c46d9501b6388959a05fb47cf0b910400190db65..ce0854ec0574ea82f6e91b58beb48449023b84de 100644
--- a/near-rt-ric-simulator/src/STD_1.1.3/main.py
+++ b/near-rt-ric-simulator/src/STD_1.1.3/main.py
@@ -164,18 +164,11 @@ def getCounter(countername):
   else:
     return Response("Counter name: "+countername+" not found.",404, mimetype='text/plain')
 
-port_number = 8085
+port_number = 2222
 if len(sys.argv) >= 2:
   if isinstance(sys.argv[1], int):
     port_number = sys.argv[1]
 
-port_number_secure=8185
-
 app.add_api('STD_A1.yaml')
-context=get_security_context()
-if (context == None):
-  print("Start on non-secure port: "+str(port_number))
-  app.run(port=port_number, host="::")
-else:
-  print("Start on secure port: "+str(port_number_secure))
-  app.run(port=port_number_secure, host="::", ssl_context=context)
+
+app.run(port=port_number, host="127.0.0.1", threaded=False)
\ No newline at end of file
diff --git a/near-rt-ric-simulator/src/common/maincommon.py b/near-rt-ric-simulator/src/common/maincommon.py
index 79cda3b78bf6e039e19e7c15a7277cad59712008..ee52d55412e08202d46f5ed721a9b4024608e8cd 100644
--- a/near-rt-ric-simulator/src/common/maincommon.py
+++ b/near-rt-ric-simulator/src/common/maincommon.py
@@ -40,6 +40,7 @@ def get_supported_interfaces_response():
     arr = os.listdir("../")
     del arr[arr.index('common')] # Remove the common lib
     del arr[arr.index('start.sh')] # Remove the start script
+    arr.sort()
     return Response("Current interface: " + str(pp[len(pp)-1]) + "  All supported A1 interface yamls in this container: "+str(arr), 200, mimetype='text/plain')
 
 # Remote host lookup and store host name in a set
diff --git a/near-rt-ric-simulator/src/start.sh b/near-rt-ric-simulator/src/start.sh
index a424b5abe5b3bd31bc93d46af97eb7a927494f00..73491bd952d1cf5a6ce234fc758547163c5eba97 100755
--- a/near-rt-ric-simulator/src/start.sh
+++ b/near-rt-ric-simulator/src/start.sh
@@ -37,5 +37,9 @@ echo "PYTHONPATH set to: "$PYTHONPATH
 
 cd $1
 
+#start nginx
+nginx -c /usr/src/app/nginx.conf
+
+#start near-rt-ric-simulator
 echo "Path to main.py: "$PWD
 python -u main.py
diff --git a/near-rt-ric-simulator/test/1.1.x-alpha.2/build_and_start.sh b/near-rt-ric-simulator/test/1.1.x-alpha.2/build_and_start.sh
index 413ea89bb1b1cd95d262b91cba2f08bf47abe2b4..4cabff3a00e70fa96f149f5afd44801daff7dc3b 100755
--- a/near-rt-ric-simulator/test/1.1.x-alpha.2/build_and_start.sh
+++ b/near-rt-ric-simulator/test/1.1.x-alpha.2/build_and_start.sh
@@ -18,16 +18,6 @@
 #
 
 # Script to build and start the container
-# Args: nonsecure|secure
-
-if [ $# -ne 1 ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
-if [ "$1" != "nonsecure" ] && [ "$1" != "secure" ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
 
 echo "Building image"
 cd ../../
@@ -36,12 +26,7 @@ cd ../../
 docker build -t a1test .
 
 echo "Starting $1 mode"
-if [ $1 == "nonsecure" ]; then
-    #Run the container in interactive mode, unsecure port
-    docker run -it -p 8085:8085 -e A1_VERSION=1.1.x-alpha.2 -e REMOTE_HOSTS_LOGGING=1 a1test
-else
-    #Run the container in interactive mode, secure port.
-    docker run -it -p 8185:8185 -e A1_VERSION=1.1.x-alpha.2 -e REMOTE_HOSTS_LOGGING=1 --read-only --volume "$PWD/certificate:/usr/src/app/cert" a1test
-fi
+#Run the container in interactive mode, unsecure port 8085, secure port 8185.
+docker run -it -p 8085:8085 -p 8185:8185 -e A1_VERSION=1.1.x-alpha.2 -e REMOTE_HOSTS_LOGGING=1 --volume "$PWD/certificate:/usr/src/app/cert" a1test
 
 
diff --git a/near-rt-ric-simulator/test/OSC_2.1.0/basic_test.sh b/near-rt-ric-simulator/test/OSC_2.1.0/basic_test.sh
index 8d205f0992737e4ac800406dbc8f9e4d79f099c8..f77e3476a38c9b997a8cd06193ccf2beeb6e4f83 100755
--- a/near-rt-ric-simulator/test/OSC_2.1.0/basic_test.sh
+++ b/near-rt-ric-simulator/test/OSC_2.1.0/basic_test.sh
@@ -47,7 +47,7 @@ RESULT="OK"
 do_curl GET / 200
 
 echo "=== Check used and implemented interfaces ==="
-RESULT="Current interface: OSC_2.1.0 All supported A1 interface yamls in this container: ['1.1.x-alpha.2', 'STD_1.1.3', 'OSC_2.1.0']"
+RESULT="Current interface: OSC_2.1.0 All supported A1 interface yamls in this container: ['1.1.x-alpha.2', 'OSC_2.1.0', 'STD_1.1.3']"
 do_curl GET /container_interfaces 200
 
 echo "=== Reset simulator instances ==="
@@ -60,7 +60,7 @@ do_curl POST /deleteall 200
 
 echo "=== API: Healthcheck ==="
 RESULT=""
-do_curl get /a1-p/healthcheck 200
+do_curl GET /a1-p/healthcheck 200
 
 echo "=== API: Get policy types, shall be empty array =="
 RESULT="json:[]"
diff --git a/near-rt-ric-simulator/test/OSC_2.1.0/build_and_start.sh b/near-rt-ric-simulator/test/OSC_2.1.0/build_and_start.sh
index 89907d6093ab1e6f279e65af39fa74dcfdc04d06..9537d3064f31aa6733675637c42a2481a740a4c6 100755
--- a/near-rt-ric-simulator/test/OSC_2.1.0/build_and_start.sh
+++ b/near-rt-ric-simulator/test/OSC_2.1.0/build_and_start.sh
@@ -18,16 +18,6 @@
 #
 
 # Script to build and start the container
-# Args: nonsecure|secure
-
-if [ $# -ne 1 ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
-if [ "$1" != "nonsecure" ] && [ "$1" != "secure" ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
 
 echo "Building image"
 cd ../../
@@ -36,11 +26,6 @@ cd ../../
 docker build -t a1test .
 
 echo "Starting $1 mode"
-if [ $1 == "nonsecure" ]; then
-    #Run the container in interactive mode, unsecure port
-    docker run -it -p 8085:8085 -e A1_VERSION=OSC_2.1.0 -e REMOTE_HOSTS_LOGGING=1 a1test
-else
-    #Run the container in interactive mode, secure port.
-    docker run -it -p 8185:8185 -e A1_VERSION=OSC_2.1.0 -e REMOTE_HOSTS_LOGGING=1 --read-only --volume "$PWD/certificate:/usr/src/app/cert" a1test
-fi
+#Run the container in interactive mode, unsecure port 8085, secure port 8185.
+docker run -it -p 8085:8085 -p 8185:8185 -e A1_VERSION=OSC_2.1.0 -e REMOTE_HOSTS_LOGGING=1 --volume "$PWD/certificate:/usr/src/app/cert" a1test
 
diff --git a/near-rt-ric-simulator/test/STD_1.1.3/basic_test.sh b/near-rt-ric-simulator/test/STD_1.1.3/basic_test.sh
index 7dbe131dc31f72bfa5b9a2990935e8b155f011a5..2b34cf3c7772bda4af5308f09b8452c347ca11d0 100755
--- a/near-rt-ric-simulator/test/STD_1.1.3/basic_test.sh
+++ b/near-rt-ric-simulator/test/STD_1.1.3/basic_test.sh
@@ -48,7 +48,7 @@ RESULT="OK"
 do_curl GET / 200
 
 echo "=== Check used and implemented interfaces ==="
-RESULT="Current interface: STD_1.1.3 All supported A1 interface yamls in this container: ['1.1.x-alpha.2', 'STD_1.1.3', 'OSC_2.1.0']"
+RESULT="Current interface: STD_1.1.3 All supported A1 interface yamls in this container: ['1.1.x-alpha.2', 'OSC_2.1.0', 'STD_1.1.3']"
 do_curl GET /container_interfaces 200
 
 echo "=== Reset simulator instances ==="
diff --git a/near-rt-ric-simulator/test/STD_1.1.3/build_and_start.sh b/near-rt-ric-simulator/test/STD_1.1.3/build_and_start.sh
index 1dcacc4b6c06e51eaf8c480aa6b730d0f9594c83..0d48fbf361957f2f03dc98998622169a5dc5f33a 100755
--- a/near-rt-ric-simulator/test/STD_1.1.3/build_and_start.sh
+++ b/near-rt-ric-simulator/test/STD_1.1.3/build_and_start.sh
@@ -18,16 +18,6 @@
 #
 
 # Script to build and start the container
-# Args: nonsecure|secure
-
-if [ $# -ne 1 ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
-if [ "$1" != "nonsecure" ] && [ "$1" != "secure" ]; then
-    echo "Usage: ./build_and_start.sh nonsecure|secure"
-    exit 1
-fi
 
 echo "Building image"
 cd ../../
@@ -35,11 +25,6 @@ cd ../../
 #Build the image
 docker build -t a1test .
 
-echo "Starting $1 mode"
-if [ $1 == "nonsecure" ]; then
-    #Run the container in interactive mode, unsecure port
-    docker run -it -p 8085:8085 -e A1_VERSION=STD_1.1.3 -e REMOTE_HOSTS_LOGGING=1 a1test
-else
-    #Run the container in interactive mode, secure port.
-    docker run -it -p 8185:8185 -e A1_VERSION=STD_1.1.3 -e REMOTE_HOSTS_LOGGING=1 --read-only --volume "$PWD/certificate:/usr/src/app/cert" a1test
-fi
\ No newline at end of file
+echo "Starting ric-sim"
+#Run the container in interactive mode, unsecure port 8085, secure port 8185
+docker run -it -p 8085:8085 -p 8185:8185 -e A1_VERSION=STD_1.1.3 -e REMOTE_HOSTS_LOGGING=1 --volume "$PWD/certificate:/usr/src/app/cert" a1test
\ No newline at end of file