diff --git a/Dockerfiles/forContainerNet/server_buster/Dockerfile b/Dockerfiles/forContainerNet/server_buster/Dockerfile
index a1e051a..ef6a427 100644
--- a/Dockerfiles/forContainerNet/server_buster/Dockerfile
+++ b/Dockerfiles/forContainerNet/server_buster/Dockerfile
@@ -2,8 +2,8 @@
 FROM node:buster
 
 # Installing required libraries
-RUN apt-get -y update && \
-    apt-get install -y net-tools && \
+RUN apt-get update && \
+    apt-get install -y net-tools iputils-ping && \
     mkdir server && \
     cd server && \
     npm install express && \
@@ -16,3 +16,4 @@ ENV VIM_EMU_CMD "node /server/server.js --local_ip '127.0.0.1' --local_port '808
 
 # Mandatory entrypoint in containernet
 CMD /bin/bash
+
diff --git a/topologie/single_dc_topology.py b/topologie/single_dc_topology.py
new file mode 100755
index 0000000..6d1835f
--- /dev/null
+++ b/topologie/single_dc_topology.py
@@ -0,0 +1,83 @@
+#!/usr/bin/python
+# Copyright (c) 2015 SONATA-NFV and Paderborn University
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Neither the name of the SONATA-NFV, Paderborn University
+# nor the names of its contributors may be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# This work has been performed in the framework of the SONATA project,
+# funded by the European Commission under Grant number 671517 through
+# the Horizon 2020 and 5G-PPP programmes. The authors would like to
+# acknowledge the contributions of their colleagues of the SONATA
+# partner consortium (www.sonata-nfv.eu).
+import logging
+from mininet.log import setLogLevel, info
+from emuvim.dcemulator.net import DCNetwork
+from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
+from emuvim.api.openstack.openstack_api_endpoint import OpenstackApiEndpoint
+
+logging.basicConfig(level=logging.INFO)
+setLogLevel('info')  # set Mininet loglevel
+logging.getLogger('werkzeug').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.base').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.compute').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.keystone').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.nova').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.neutron').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.heat').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.heat.parser').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.glance').setLevel(logging.DEBUG)
+logging.getLogger('api.openstack.helper').setLevel(logging.DEBUG)
+
+
+def create_topology():
+    net = DCNetwork(monitor=False, enable_learning=True)
+
+    dc1 = net.addDatacenter("dc1")
+    # add OpenStack-like APIs to the emulated DC
+    api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
+    api1.connect_datacenter(dc1)
+    api1.start()
+    api1.connect_dc_network(net)
+    # add the command line interface endpoint to the emulated DC (REST API)
+    rapi1 = RestApiEndpoint("0.0.0.0", 5001)
+    rapi1.connectDCNetwork(net)
+    rapi1.connectDatacenter(dc1)
+    rapi1.start()
+    d1 = net.addDocker('srv', ip='10.0.0.3', dimage="server:topo")
+    d2 = net.addDocker('gwi', ip='10.0.0.6', dimage="server:topo")
+    info('*** Adding switches\n')
+    s1 = net.addSwitch('s1')
+    s2 = net.addSwitch('s2')
+    info('*** Creating links\n')
+    net.addLink(dc1, s1)
+    net.addLink(d1, s1)
+    net.addLink(s1, s2)
+    net.addLink(s2, d2)
+    info('*** Starting network\n')
+    net.start()
+    net.CLI()
+    # when the user types exit in the CLI, we stop the emulator
+    net.stop()
+
+
+def main():
+    create_topology()
+
+
+if __name__ == '__main__':
+    main()