diff --git a/doc/source/images/arch.png b/doc/source/images/arch.png
new file mode 100644
index 0000000..e0e2c6d
Binary files /dev/null and b/doc/source/images/arch.png differ
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 773d6d4..fdd3797 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -46,6 +46,7 @@ Overview
 .. toctree::
     :maxdepth: 2
 
+    topology    
     support-matrix
 
 Using the driver
diff --git a/doc/source/topology.rst b/doc/source/topology.rst
new file mode 100644
index 0000000..dd579d4
--- /dev/null
+++ b/doc/source/topology.rst
@@ -0,0 +1,11 @@
+.. _topology:
+
+========
+Topology
+========
+
+Following picture shows some of the possible environments between
+openstack and low layer z/VM system management utils.
+
+.. image:: ./images/arch.png
+   :width: 100%