diff --git a/planetstack/neutron_extension/1:2013.2.2-0ubuntu1~cloud0/ovs_models_v2.py b/planetstack/neutron_extension/1:2013.2.2-0ubuntu1~cloud0/ovs_models_v2.py
new file mode 100644
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+++ b/planetstack/neutron_extension/1:2013.2.2-0ubuntu1~cloud0/ovs_models_v2.py
@@ -0,0 +1,118 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+# Copyright 2011 Nicira Networks, Inc.
+# 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.
+# @author: Aaron Rosen, Nicira Networks, Inc.
+# @author: Bob Kukura, Red Hat, Inc.
+
+
+from sqlalchemy import Boolean, Column, ForeignKey, Integer, String, PickleType
+from sqlalchemy.schema import UniqueConstraint
+
+from neutron.db.models_v2 import model_base
+
+
+class VlanAllocation(model_base.BASEV2):
+    """Represents allocation state of vlan_id on physical network."""
+    __tablename__ = 'ovs_vlan_allocations'
+
+    physical_network = Column(String(64), nullable=False, primary_key=True)
+    vlan_id = Column(Integer, nullable=False, primary_key=True,
+                     autoincrement=False)
+    allocated = Column(Boolean, nullable=False)
+
+    def __init__(self, physical_network, vlan_id):
+        self.physical_network = physical_network
+        self.vlan_id = vlan_id
+        self.allocated = False
+
+    def __repr__(self):
+        return "<VlanAllocation(%s,%d,%s)>" % (self.physical_network,
+                                               self.vlan_id, self.allocated)
+
+
+class TunnelAllocation(model_base.BASEV2):
+    """Represents allocation state of tunnel_id."""
+    __tablename__ = 'ovs_tunnel_allocations'
+
+    tunnel_id = Column(Integer, nullable=False, primary_key=True,
+                       autoincrement=False)
+    allocated = Column(Boolean, nullable=False)
+
+    def __init__(self, tunnel_id):
+        self.tunnel_id = tunnel_id
+        self.allocated = False
+
+    def __repr__(self):
+        return "<TunnelAllocation(%d,%s)>" % (self.tunnel_id, self.allocated)
+
+
+class NetworkBinding(model_base.BASEV2):
+    """Represents binding of virtual network to physical realization."""
+    __tablename__ = 'ovs_network_bindings'
+
+    network_id = Column(String(36),
+                        ForeignKey('networks.id', ondelete="CASCADE"),
+                        primary_key=True)
+    # 'gre', 'vlan', 'flat', 'local'
+    network_type = Column(String(32), nullable=False)
+    physical_network = Column(String(64))
+    segmentation_id = Column(Integer)  # tunnel_id or vlan_id
+
+    def __init__(self, network_id, network_type, physical_network,
+                 segmentation_id):
+        self.network_id = network_id
+        self.network_type = network_type
+        self.physical_network = physical_network
+        self.segmentation_id = segmentation_id
+
+    def __repr__(self):
+        return "<NetworkBinding(%s,%s,%s,%d)>" % (self.network_id,
+                                                  self.network_type,
+                                                  self.physical_network,
+                                                  self.segmentation_id)
+
+class PortForwarding(model_base.BASEV2):
+    """Ports to be forwarded through NAT """
+    __tablename__ = 'ovs_port_forwarding'
+
+    port_id = Column(String(36),
+                     ForeignKey('ports.id', ondelete="CASCADE"),
+                     primary_key=True)
+    forward_ports = Column(PickleType)
+
+    def __init__(self, port_id, forward_ports):
+        self.port_id = port_id
+        self.forward_ports = forward_ports
+
+    def __repr__(self):
+        return "<PortForwarding(%s,%s)>" % (self.port_id, self.forward_ports)
+
+class TunnelEndpoint(model_base.BASEV2):
+    """Represents tunnel endpoint in RPC mode."""
+    __tablename__ = 'ovs_tunnel_endpoints'
+    __table_args__ = (
+        UniqueConstraint('id', name='uniq_ovs_tunnel_endpoints0id'),
+    )
+
+    ip_address = Column(String(64), primary_key=True)
+    id = Column(Integer, nullable=False)
+
+    def __init__(self, ip_address, id):
+        self.ip_address = ip_address
+        self.id = id
+
+    def __repr__(self):
+        return "<TunnelEndpoint(%s,%s)>" % (self.ip_address, self.id)
+