diff --git a/src/emuvim/api/rest/network.py b/src/emuvim/api/rest/network.py
index 65dddc4..84db87e 100755
--- a/src/emuvim/api/rest/network.py
+++ b/src/emuvim/api/rest/network.py
@@ -36,6 +36,7 @@
 from flask_restful import Resource
 from flask import request
 import json
+import networkx
 
 logging.basicConfig(level=logging.INFO)
 
@@ -132,11 +133,12 @@
         nodes2 = list()
         links = list()
         # add all DCs
-        #for dc in net.dcs:
+        node_attr = networkx.get_node_attributes(net.DCNetwork_graph, 'type')
         for node_name in net.DCNetwork_graph.nodes():
             nodes2.append(node_name)
             node_index = nodes2.index(node_name)
-            node_dict = {"name":node_name,"group":node_index}
+            type = node_attr[node_name]
+            node_dict = {"name":node_name,"group":type}
             nodes.append(node_dict)
 
         # add links between other DCs
diff --git a/src/emuvim/api/sonata/dummygatekeeper.py b/src/emuvim/api/sonata/dummygatekeeper.py
index a7f0a6c..a57a6b9 100755
--- a/src/emuvim/api/sonata/dummygatekeeper.py
+++ b/src/emuvim/api/sonata/dummygatekeeper.py
@@ -259,7 +259,7 @@
         # last step: remove the instance from the list of all instances
         del self.instances[instance_uuid]
 
-    def _start_vnfd(self, vnfd, vnf_id):
+    def _start_vnfd(self, vnfd, vnf_id, **kwargs):
         """
         Start a single VNFD of this service
         :param vnfd: vnfd descriptor dict
@@ -352,7 +352,8 @@
                     cpu_period=cpu_period,
                     cpuset=cpu_list,
                     mem_limit=mem_lim,
-                    volumes=volumes)
+                    volumes=volumes,
+                    type=kwargs.get('type','docker'))
 
             # rename the docker0 interfaces (eth0) to the management port name defined in the VNFD
             if USE_DOCKER_MGMT:
@@ -546,7 +547,7 @@
         if sap["type"] == "internal":
             vnfi = None
             if not GK_STANDALONE_MODE:
-                vnfi = self._start_vnfd(sap, sap['name'])
+                vnfi = self._start_vnfd(sap, sap['name'], type='sap_int')
             self.instances[instance_uuid]["vnf_instances"].append(vnfi)
 
         elif sap["type"] == "external":