diff --git a/planetstack/core/migrations/0005_network_sdn.py b/planetstack/core/migrations/0005_network_sdn.py
new file mode 100644
index 0000000..bad6d97
--- /dev/null
+++ b/planetstack/core/migrations/0005_network_sdn.py
@@ -0,0 +1,38 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0004_auto_20141006_1719'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='network',
+            name='controllerParameters',
+            field=models.TextField(null=True, blank=True),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='network',
+            name='topologyParameters',
+            field=models.TextField(null=True, blank=True),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='networktemplate',
+            name='controllerKind',
+            field=models.CharField(default=None, max_length=30, null=True, blank=True, choices=[(None, b'None'), (b'onos', b'ONOS'), (b'custom', b'Custom')]),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='networktemplate',
+            name='topologyKind',
+            field=models.CharField(default=b'BigSwitch', max_length=30, choices=[(b'bigswitch', b'BigSwitch'), (b'physical', b'Physical'), (b'custom', b'Custom')]),
+            preserve_default=True,
+        ),
+    ]
diff --git a/planetstack/core/models/network.py b/planetstack/core/models/network.py
index 3c5a19b..1fb629f 100644
--- a/planetstack/core/models/network.py
+++ b/planetstack/core/models/network.py
@@ -65,6 +65,8 @@
 class NetworkTemplate(PlCoreBase):
     VISIBILITY_CHOICES = (('public', 'public'), ('private', 'private'))
     TRANSLATION_CHOICES = (('none', 'none'), ('NAT', 'NAT'))
+    TOPOLOGY_CHOICES = (('bigswitch', 'BigSwitch'), ('physical', 'Physical'), ('custom', 'Custom'))
+    CONTROLLER_CHOICES = ((None, 'None'), ('onos', 'ONOS'), ('custom', 'Custom'))
 
     name = models.CharField(max_length=32)
     description = models.CharField(max_length=1024, blank=True, null=True)
@@ -73,6 +75,8 @@
     translation = models.CharField(max_length=30, choices=TRANSLATION_CHOICES, default="none")
     sharedNetworkName = models.CharField(max_length=30, blank=True, null=True)
     sharedNetworkId = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
+    topologyKind = models.CharField(null=False, blank=False, max_length=30, choices=TOPOLOGY_CHOICES, default="BigSwitch")
+    controllerKind = models.CharField(null=True, blank=True, max_length=30, choices=CONTROLLER_CHOICES, default=None)
 
     def __unicode__(self):  return u'%s' % (self.name)
 
@@ -90,6 +94,9 @@
     slices = models.ManyToManyField(Slice, blank=True, related_name="networks", through="NetworkSlice")
     slivers = models.ManyToManyField(Sliver, blank=True, related_name="networks", through="NetworkSliver")
 
+    topologyParameters = models.TextField(null=True, blank=True)
+    controllerParameters = models.TextField(null=True, blank=True)
+
     # for observer/manager
     network_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
     router_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum router id")