diff --git a/xos/models.py b/xos/models.py
new file mode 100644
index 0000000..c805f24
--- /dev/null
+++ b/xos/models.py
@@ -0,0 +1,45 @@
+from django.db import models
+from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, Subscriber, NetworkParameter, NetworkParameterType, Port, AddressPool
+from core.models.plcorebase import StrippedCharField
+import os
+from django.db import models, transaction
+from django.forms.models import model_to_dict
+from django.db.models import Q
+from operator import itemgetter, attrgetter, methodcaller
+from core.models import Tag
+from core.models.service import LeastLoadedNodeScheduler
+import traceback
+from xos.exceptions import *
+from xos.config import Config
+
+class ConfigurationError(Exception):
+    pass
+
+VTN_KIND = "VTN"
+
+# -------------------------------------------
+# VTN
+# -------------------------------------------
+
+class VTNService(Service):
+    KIND = VTN_KIND
+
+    class Meta:
+        app_label = "vtn"
+        verbose_name = "VTN Service"
+        proxy = True
+
+    simple_attributes = ( ("privateGatewayMac", "00:00:00:00:00:01"),
+                          ("localManagementIp", "172.27.0.1/24"),
+                          ("ovsdbPort", "6641"),
+                          ("sshPort", "22"),
+                          ("sshUser", "root"),
+                          ("sshKeyFile", "/root/node_key") ,
+                          ("mgmtSubnetBits", "24"),
+                          ("xosEndpoint", "http://xos/"),
+                          ("xosUser", "padmin@vicci.org"),
+                          ("xosPassword", "letmein"),
+
+                         )
+
+VTNService.setup_simple_attributes()