diff --git a/planetstack/hpc/models.py b/planetstack/hpc/models.py
new file mode 100644
index 0000000..d257032
--- /dev/null
+++ b/planetstack/hpc/models.py
@@ -0,0 +1,92 @@
+from django.db import models
+from core.models import User
+import os
+from django.db import models
+from django.forms.models import model_to_dict
+
+
+# Create your models here.
+
+class HpcCoreBase(models.Model):
+
+    created = models.DateTimeField(auto_now_add=True)
+    updated = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        abstract = True
+        app_label = "hpc"
+
+    def __init__(self, *args, **kwargs):
+        super(HpcCoreBase, self).__init__(*args, **kwargs)
+        self.__initial = self._dict
+
+    @property
+    def diff(self):
+        d1 = self.__initial
+        d2 = self._dict
+        diffs = [(k, (v, d2[k])) for k, v in d1.items() if v != d2[k]]
+        return dict(diffs)
+
+    @property
+    def has_changed(self):
+        return bool(self.diff)
+
+    @property
+    def changed_fields(self):
+        return self.diff.keys()
+
+    def get_field_diff(self, field_name):
+        return self.diff.get(field_name, None)
+
+    def save(self, *args, **kwargs):
+        super(HpcCoreBase, self).save(*args, **kwargs)
+
+        self.__initial = self._dict
+
+    @property
+    def _dict(self):
+        return model_to_dict(self, fields=[field.name for field in
+                             self._meta.fields])
+
+    
+class ServiceProvider(HpcCoreBase):
+    name = models.CharField(max_length=254,help_text="Service Provider Name")
+    description = models.TextField(max_length=254,null=True, blank=True, help_text="Description of Service Provider")
+    enabled = models.BooleanField(default=True)
+
+    def __unicode__(self):  return u'%s' % (self.name)
+
+class ContentProvider(HpcCoreBase):
+    name = models.CharField(max_length=254)
+    enabled = models.BooleanField(default=True)
+    description = models.TextField(max_length=254,null=True, blank=True,help_text="Description of Content Provider")
+    serviceProvider = models.ForeignKey(ServiceProvider)
+
+    # Note user relationships are directed not requiring a role.
+    users = models.ManyToManyField(User)
+
+    def __unicode__(self):  return u'%s' % (self.name)
+
+class OriginServer(HpcCoreBase):
+    url = models.URLField()
+    contentProvider = models.ForeignKey(ContentProvider)
+
+    authenticated = models.BooleanField(default=False, help_text="Status for this Site")
+    enabled = models.BooleanField(default=True, help_text="Status for this Site")
+    PROTOCOL_CHOICES = (('http', 'HTTP'),('rtmp', 'RTMP'), ('rtp', 'RTP'),('shout', 'SHOUTcast')) 
+    protocol = models.CharField(default="HTTP", max_length = 12, choices=PROTOCOL_CHOICES)
+    redirects = models.BooleanField(default=True, help_text="Indicates whether Origin Server redirects should be used for this Origin Server")
+    description = models.TextField(null=True, blank=True, max_length=255)
+    
+    def __unicode__(self):  return u'%s' % (self.url)
+
+class CDNPrefix(HpcCoreBase):
+    prefix = models.CharField(max_length=200, help_text="Registered Prefix for Domain")
+    contentProvider = models.ForeignKey(ContentProvider)
+    description = models.TextField(max_length=254,null=True, blank=True,help_text="Description of Content Provider")
+
+    defaultOriginServer = models.ForeignKey(OriginServer)
+    enabled = models.BooleanField(default=True)
+
+    def __unicode__(self):  return u'%s' % (self.prefix)
+