diff --git a/topologie/topology.py b/topologie/topology.py
index 3ad82f9..c94cfa3 100755
--- a/topologie/topology.py
+++ b/topologie/topology.py
@@ -56,7 +56,38 @@ DEV2_GWF3_IP = '192.168.3.2' #name = dev2gwf3
 DEV3_GWF3_IP = '192.168.3.3' #name = dev3gwf3
 
 '''
-
+TOPOLOGY OVERVIEW
+                                                    ++++++++
+                                                    + dev1 +
+                                                    ++++++++
+                                                       |  ______________++++++++
+                                                       |  |             + dev2 +
+                                ++++++++            ++++++++            ++++++++        ++++++++
+                                + gwi1 +            + gwf1 +----------------------------+ dev3 +
+                                ++++++++            ++++++++                            ++++++++
+                                   |                 |
+                                   |                 |
+ +++++++        +++++++         +++++++         +++++++      ++++++++                    ++++++++
+ + srv +--------+ s1  +---------+ s2  +---------+ s3  +------+ gwf2 +--------------------+ dev1 +
+ +++++++        +++++++         +++++++         +++++++      ++++++++                    ++++++++
+                                  |  |             |            | |             ++++++++
+                                  |  |             |            | |_____________+ dev2 +
+                                  |  |             |            |               ++++++++
+                                  |  |          ++++++          |     ++++++++
+                                  |  |__________+ s4 +----      |_____+ dev3 +
+                                  |             ++++++   |            ++++++++
+                              +++++++++           |      |
+                              + btrap +           |      |____++++++++        ++++++++
+                              +++++++++     ______|           + gwf3 +--------+ dev1 +
+                                            |                 ++++++++        ++++++++
+                                            |    _______________|  |
+                                    ________|    |                 |
+                                    |            |                 |___________++++++++
+                                    |            |                             + dev2 +
+                                 ++++++          |                             ++++++++
+                                 + DC +      ++++++++
+                                 ++++++      + dev3 +
+                                             ++++++++
 '''
 #####################################################################################################