+-----+                       +-----+
                        | SF1 |                       | SF2 |
                        +--+--+                       +--+--+
                           |                             |
                           |                             |
             +-----------+ | +-----------+ +-----------+ | +-----------+
             |N(100,255) | | |N(100,254) | |N(100,254) | | |N(100,253) |
             +-----------+ | +-----------+ +-----------+ | +-----------+
             |F:Inner Pkt| | |F:Inner Pkt| |F:Inner Pkt| | |F:Inner Pkt|
             +-----------+ | +-----------+ +-----------+ | +-----------+
                     (2) ^ | (3) |                 (5) ^ | (6) |
                         | |     |                     | |     |
                         | |     |                     | |     |
                 (1)     | |     v      (4)            | |     v (7)
+------------+   --->    +-+----+      ---->          +---+--+   -->
|            | NSHoverSR |      |    NSHoverSR        |      |    IP
| Classifier +-----------+ SFF1 +---------------------+ SFF2 |
|            |           |      |                     |      |
+------------+           +------+                     +------+

             +------------+        +------------+        +------------+
             |   S(SF1)   |        |   S(SF2)   |        | F:Inner Pkt|
             +------------+        +------------+        +------------+
             |   S(SFF2)  |        | N(100,254) |
             +------------+        +------------+
             |   S(SF2)   |        | F:Inner Pkt|
             +------------+        +------------+
             | N(100,255) |
             +------------+
             | F:Inner Pkt|
             +------------+