diff --git a/topology.py b/topology.py
new file mode 100644
index 0000000..f91b9f5
--- /dev/null
+++ b/topology.py
@@ -0,0 +1,128 @@
+# 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
+from emuvim.dcemulator.net import DCNetwork
+from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
+from emuvim.api.openstack.openstack_api_endpoint import OpenstackApiEndpoint
+
+TOPOS = {'mytopo':(lambda:create_topology())}
+
+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,autoSetMacs=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()
+
+	s1 = net.addSwitch('s1')
+	s2 = net.addSwitch('s2')
+	s3 = net.addSwitch('s3')
+	s4 = net.addSwitch('s4')
+
+	srv = net.addDocker('srv', ip='192.168.0.1', dimage="server:latest")
+	gwi = net.addDocker('gwi', ip='192.168.0.254', dimage="gateway:latest")
+	
+	#First cluster
+	gwf1 = net.addDocker('gwf1', ip='192.168.0.252', dimage="gwf1:latest")
+	device11 = net.addDocker('device11', ip='127.0.0.1', dimage="device1:latest")
+	device12 = net.addDocker('device12', ip='127.0.0.1', dimage="device1:latest")
+	device13 = net.addDocker('device13', ip='127.0.0.1', dimage="device1:latest")
+	
+	#Second cluster
+	gwf2 = net.addDocker('gwf2', ip='192.168.0.251', dimage="gwf2:latest")
+	device21 = net.addDocker('device21', ip='127.0.0.1', dimage="device2:latest")
+	device22 = net.addDocker('device22', ip='127.0.0.1', dimage="device2:latest")
+	device23 = net.addDocker('device23', ip='127.0.0.1', dimage="device2:latest")
+	
+	#Third cluster
+	gwf3 = net.addDocker('gwf3', ip='192.168.0.250', dimage="gwf3:latest")
+	device31 = net.addDocker('device31', ip='127.0.0.1', dimage="device3:latest")
+	device32 = net.addDocker('device32', ip='127.0.0.1', dimage="device3:latest")
+	device33 = net.addDocker('device33', ip='127.0.0.1', dimage="device3:latest")
+		
+	#Switch links
+	net.addLink(s1, s2)
+	net.addLink(s2, s3)
+	net.addLink(s2, s4)
+	net.addLink(s4,dc1)
+	net.addLink(s1, srv)
+	net.addLink(s2, gwi)
+
+	#First cluster link
+	net.addLink(s3, gwf1)
+	net.addLink(gwf1,device11)
+	net.addLink(gwf1,device12)
+	net.addLink(gwf1,device13)
+	
+	#Second cluster link
+	net.addLink(s3, gwf2)
+	net.addLink(gwf2,device21)
+	net.addLink(gwf2,device22)
+	net.addLink(gwf2,device23)
+	
+	#Third cluster link
+	net.addLink(s4, gwf3)
+	net.addLink(gwf3,device31)
+	net.addLink(gwf3,device32)
+	net.addLink(gwf3,device33)
+	
+
+	net.start()
+	srv.cmd("node srv/server.js --local_ip \"192.168.0.1\" --local_port 8080 --local_name \"srv\"")
+	net.CLI()
+	# when the user types exit in the CLI, we stop the emulator
+	net.stop()
+
+
+def main():
+	create_topology()
+
+
+if __name__ == '__main__':
+	main()