diff --git a/libcloud/base.py b/libcloud/base.py
index 66fe847..f8eafe8 100644
--- a/libcloud/base.py
+++ b/libcloud/base.py
@@ -124,6 +124,18 @@ class NodeLocation(object):
         return (('<NodeLocation: id=%s, name=%s, country=%s, driver=%s>')
                 % (self.id, self.name, self.country, self.driver.name))
 
+class NodeVolume(object):
+    """
+    A base NodeVolume class to derive from.
+    """
+
+    def __init__(self, id, size, driver, extra=None):
+        self.id = id
+        self.size = size
+        self.driver = driver
+        self.extra = extra
+
+
 class NodeAuthSSHKey(object):
     """
     An SSH key to be installed for authentication to a node.
@@ -686,6 +698,43 @@ class NodeDriver(object):
           raise DeploymentException(node, e)
         return n
 
+    def create_volume(self, **kwargs):
+        """Create a new node instance.
+
+        @keyword    size:   Size of volume in gigabytes (required)
+        @type       size:   int
+
+        @keyword    location: Which data center to create a volume in. If empty,
+                              undefined behavoir will be selected. (optional)
+        @type       location: L{NodeLocation}
+
+        @keyword    snapshot:  Name of snapshot from which to create the new volume.
+                            (optional)
+        @type       snapshot:   string
+
+        @return: The newly created L{NodeVolume}.
+        """
+        raise NotImplementedError, \
+            'create_node not implemented for this driver'
+
+    def attach(self, node, volume, device):
+        """Attaches volume to node
+
+        @keyword    node:  Node to attach volume to
+        @type       node:  L{Node}
+
+        @keyword    volume: Volume to attach
+        @type       volume: L{NodeVolume}
+
+        @keyword    device: Where the device is exposed e.g., (/dev/sdb)
+        @type       device: string
+
+        @return: C{bool}
+        """
+        raise NotImplementedError, \
+            'attach not implemented for this driver'
+
+
 def is_private_subnet(ip):
     """
     Utility function to check if an IP address is inside a private subnet.