| 5 | | first packet (red dotted line) from node 1 to node 6, it is routed |
| 6 | | along the default path to the closest controller (node 1). The |
| 7 | | controller source routes the packet to destination. Nodes 2 and 3 |
| 8 | | add routing table entries based on the source route. Subsequent |
| 9 | | packets (blue dashed line) take a direct path.} |
| | 5 | first packet (solid red line) from node 1 to node 6, it is routed |
| | 6 | along the default path to the closest controller (node 1). The |
| | 7 | controller source routes the packet to destination and installs |
| | 8 | routing entries at nodes 2 and 3 (dotted green lines). Subsequent |
| | 9 | traffic (dashed blue line) takes a direct path between nodes 4 and |
| | 10 | 6.} |