diff --git a/xos/models.py b/xos/models.py
new file mode 100644
index 0000000..102e3e3
--- /dev/null
+++ b/xos/models.py
@@ -0,0 +1,237 @@
+from django.db import models
+from core.models import Service, PlCoreBase, Slice, Instance, Tenant, TenantWithContainer, Node, Image, User, Flavor, Subscriber, NetworkParameter, NetworkParameterType, AddressPool, Port
+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 core.models import SlicePrivilege, SitePrivilege
+from sets import Set
+from xos.config import Config
+
+MCORD_KIND = "RAN" # This should be changed later I did it fo demo
+MCORD_USE_VTN = getattr(Config(), "networking_use_vtn", False)
+VBBU_KIND = "RAN"
+VSGW_KIND = "vSGW"
+VPGWC_KIND = "RAN"
+vbbu_net_types = ("s1u", "s1mme", "rru")
+vpgwc_net_types = ("s5s8")
+# The class to represent the service. Most of the service logic is given for us
+# in the Service class but, we have some configuration that is specific for
+# this example.
+class VPGWCService(Service):
+    KIND = MCORD_KIND
+
+    class Meta:
+        # When the proxy field is set to True the model is represented as
+        # it's superclass in the database, but we can still change the python
+        # behavior. In this case HelloWorldServiceComplete is a Service in the
+        # database.
+        proxy = True
+        # The name used to find this service, all directories are named this
+        app_label = "vpgwc"
+        verbose_name = "vPGWC Service"
+
+# This is the class to represent the tenant. Most of the logic is given to use
+# in TenantWithContainer, however there is some configuration and logic that
+# we need to define for this example.
+class VPGWCComponent(TenantWithContainer):
+
+    class Meta:
+        # Same as a above, HelloWorldTenantComplete is represented as a
+        # TenantWithContainer, but we change the python behavior.
+        proxy = True
+        verbose_name = "VPGWC Service Component"
+
+    # The kind of the service is used on forms to differentiate this service
+    # from the other services.
+    KIND = VPGWC_KIND
+
+    # Ansible requires that the sync_attributes field contain nat_ip and nat_mac
+    # these will be used to determine where to SSH to for ansible.
+    # Getters must be defined for every attribute specified here.
+    sync_attributes = ("s5s8_pgw_ip", "s5s8_pgw_mac")
+
+    # default_attributes is used cleanly indicate what the default values for
+    # the fields are.
+    default_attributes = {"display_message": "New vPGWC Component", "s5s8_pgw_tag": "300"}
+    def __init__(self, *args, **kwargs):
+        mcord_services = VPGWCService.get_service_objects().all()
+        # When the tenant is created the default service in the form is set
+        # to be the first created HelloWorldServiceComplete
+        if mcord_services:
+            self._meta.get_field(
+                "provider_service").default = mcord_services[0].id
+        super(VPGWCComponent, self).__init__(*args, **kwargs)
+
+    def can_update(self, user):
+        #Allow creation of this model instances for non-admin users also
+        return True
+
+    def save(self, *args, **kwargs):
+        if not self.creator:
+            if not getattr(self, "caller", None):
+                # caller must be set when creating a monitoring channel since it creates a slice
+                raise XOSProgrammingError("ServiceComponents's self.caller was not set")
+            self.creator = self.caller
+            if not self.creator:
+                raise XOSProgrammingError("ServiceComponents's self.creator was not set")
+
+        super(VPGWCComponent, self).save(*args, **kwargs)
+        # This call needs to happen so that an instance is created for this
+        # tenant is created in the slice. One instance is created per tenant.
+        model_policy_mcord_servicecomponent(self.pk)
+
+    def save_instance(self, instance):
+        with transaction.atomic():
+            super(VPGWCComponent, self).save_instance(instance)
+            if instance.isolation in ["vm"]:
+                for ntype in vpgwc_net_types:
+                    lan_network = self.get_lan_network(instance, ntype)
+                    port = self.find_or_make_port(instance,lan_network)
+                    if (ntype == "s5s8"):
+                        port.set_parameter("s_tag", self.s5s8_pgw_tag)
+                        port.set_parameter("neutron_port_name", "stag-%s" % self.s5s8_pgw_tag)
+                        port.save()
+                    else:
+			return True
+
+    def delete(self, *args, **kwargs):
+        # Delete the instance that was created for this tenant
+        self.cleanup_container()
+        super(VPGWCComponent, self).delete(*args, **kwargs)
+
+    def find_or_make_port(self, instance, network, **kwargs):
+        port = Port.objects.filter(instance=instance, network=network)
+        if port:
+            port = port[0]
+            print "port already exist", port[0]
+        else:
+            port = Port(instance=instance, network=network, **kwargs)
+            print "NETWORK", network, "MAKE_PORT", port 
+            port.save()
+        return port
+
+    def get_lan_network(self, instance, ntype):
+        slice = self.provider_service.slices.all()[0]
+        lan_networks = [x for x in slice.networks.all() if ntype in x.name]
+        if not lan_networks:
+            raise XOSProgrammingError("No lan_network")
+        return lan_networks[0]
+
+    def manage_container(self):
+        from core.models import Instance, Flavor
+
+        if self.deleted:
+            return
+
+        # For container or container_vm isolation, use what TenantWithCotnainer
+        # provides us
+        slice = self.get_slice()
+        if slice.default_isolation in ["container_vm", "container"]:
+            super(VPGWCComponent,self).manage_container()
+            return
+
+        if not self.s5s8_pgw_tag:
+            raise XOSConfigurationError("S5S8_PGW_TAG is missed")
+
+        if self.instance:
+            # We're good.
+            return
+
+        instance = self.make_instance()
+        self.instance = instance
+        super(TenantWithContainer, self).save()
+
+    def get_slice(self):
+        if not self.provider_service.slices.count():
+            raise XOSConfigurationError("The service has no slices")
+        slice = self.provider_service.slices.all()[0]
+        return slice
+
+    def make_instance(self):
+        slice = self.provider_service.slices.all()[0]            
+        flavors = Flavor.objects.filter(name=slice.default_flavor)
+#        flavors = Flavor.objects.filter(name="m1.xlarge")
+        if not flavors:
+            raise XOSConfigurationError("No default flavor")
+        default_flavor = slice.default_flavor
+        slice = self.provider_service.slices.all()[0]
+        if slice.default_isolation == "container_vm":
+            (node, parent) = ContainerVmScheduler(slice).pick()
+        else:
+            (node, parent) = LeastLoadedNodeScheduler(slice).pick()
+        instance = Instance(slice = slice,
+                        node = node,
+                        image = self.image,
+                        creator = self.creator,
+                        deployment = node.site_deployment.deployment,
+                        flavor = flavors[0],
+                        isolation = slice.default_isolation,
+                        parent = parent)
+        self.save_instance(instance)
+        return instance
+
+    def ip_to_mac(self, ip):
+        (a, b, c, d) = ip.split('.')
+        return "02:42:%02x:%02x:%02x:%02x" % (int(a), int(b), int(c), int(d))
+
+    # Getter for the message that will appear on the webpage
+    # By default it is "Hello World!"
+    @property
+    def display_message(self):
+        return self.get_attribute(
+            "display_message",
+            self.default_attributes['display_message'])
+
+    @display_message.setter
+    def display_message(self, value):
+        self.set_attribute("display_message", value)
+
+    @property
+    def s5s8_pgw_tag(self):
+        return self.get_attribute(
+            "s5s8_pgw_tag",
+            self.default_attributes['s5s8_pgw_tag'])
+
+    @s5s8_pgw_tag.setter
+    def s5s8_pgw_tag(self, value):
+        self.set_attribute("s5s8_pgw_tag", value)
+
+
+    @property
+    def addresses(self):
+        if (not self.id) or (not self.instance):
+            return {}
+
+        addresses = {}
+        for ns in self.instance.ports.all():
+            if "s5s8_pgw" in ns.network.name.lower():
+                addresses["s5s8_pgw"] = (ns.ip, ns.mac)
+        return addresses
+
+
+    @property
+    def s5s8_pgw_ip(self):
+        return self.addresses.get("s5s8_pgw", (None, None))[0]
+    @property
+    def s5s8_pgw_mac(self):
+        return self.addresses.get("s5s8_pgw", (None, None))[1]
+
+
+
+def model_policy_mcord_servicecomponent(pk):
+    # This section of code is atomic to prevent race conditions
+    with transaction.atomic():
+        # We find all of the tenants that are waiting to update
+        component = VPGWCComponent.objects.select_for_update().filter(pk=pk)
+        if not component:
+            return
+        # Since this code is atomic it is safe to always use the first tenant
+        component = component[0]
+        component.manage_container()