/---------\
                        |         |
                        | DDT Root|
                        |   /0    |
                      ,.\---------/-,      
                  ,-'`       |       `'.,  
               -'`           |           `-      
           /-------\     /-------\    /-------\  
           |  DDT  |     |  DDT  |    |  DDT  |  
           | Node  |     | Node  |    | Node  |  ...
           |  0/8  |     |  1/8  |    |  2/8  |  
           \-------/     \-------/    \-------/  
         _.                _.            . -..,,,_        
       -`                -`              \        ````''--
+------------+     +------------+   +------------+ +------------+     
| Map-Server |     | Map-Server |   | Map-Server | | Map-Server |     
| EID-Prefix1|     | EID-Prefix2|   | EID-Prefix3| | EID-Prefix4|     
+------------+     +------------+   +------------+ +------------+