| Network Management Challenges for Next Generation Networks Recent countries visiting this post |  |
 | 6 | United States |
 | 3 | |
 | 3 | China |
 | 1 | Spain |
| Network Management Challenges for Next Generation Networks Recent countries visiting this post | |
| 6 | United States |
| 3 | |
| 3 | China |
| 1 | Spain |