| b = 3 |
| , (short-distance routing) | , (short-distance routing) | , , , (short-distance routing) | , , (long-distance routing) | , , (long-distance routing) | , , (long-distance routing) | , , j = 1, 2, 3, 4 |
| | , , (short-distance routing) | , , (long-distance routing) | , , |
| k = 1, 2 | , and |
| V = {35, 55, 75} |
| per mile | per mile |
| , , h = 1, …, 5 |
|
|