CASE I             CASE II            CASE III        
 +---------------+  +---------------+  +---------------+ 
 |    Stream 1   |  |    Stream 2   |  |    Stream 3   | 
 +---------------+  +---------------+  +---------------+ 
                                                        
 +---------------+  +---------------+  +---------------+ 
 |      FEC      |  |      FEC      |  |Mpath Transport| 
 +---------------+  |      in       |  +---------------+ 
                    |Mpath Transport|                   
 +---------------+  |               |  +-----+   +-----+ 
 |Mpath Transport|  |               |  |Flow1|...|FlowM| 
 +---------------+  +---------------+  +-----+   +-----+ 
                                                        
 +-----+   +-----+  +-----+   +-----+  +-----+   +-----+ 
 |Flow1|...|FlowM|  |Flow1|...|FlowM|  | FEC |...| FEC | 
 +-----+   +-----+  +-----+   +-----+  +-----+   +-----+