Data Flow Oriented Design II

  Data Flow Diagram       ===>   Information Structure
                                         
                                         M0 controller
                                         |
   M1 ->  M2  -> M3       ===>      -----------    
input  transform output             |    |    |
                                   M1    M2   M3
                                         
                                         
                                         M0 controller
                                         |
 M11->M12->M2->M31->M32   ===>      -----------    
        transform                   |    |    |
  input         output             M12   M2   M31
                                    |         |
                                   M11        M32

                                         M0 controller
                                         |
M11->M12->M13->M2->M3     ===>      -----------    
   input    transform               |    |    |
                  output           M10   M2   M3 
input    output                     |             
  transform                   ------------            
                              |     |    |
                             M11   M12  M13

Note: M1 incoming, M2 transform and M3 outgoing nodes
      M11 incoming, M12 transform and M13 outgoing nodes