---------------------------------------------------------------------
| Node1 | Node2 | ..... | Nodex |
| | | | |
| ipkeep(Leader) | ipkeep(waiting)| ipkeep(waiting)| ipkeep(waiting)|
| 10.68.3.4(vip) | | | |
| | | | |
| | | | |
---------------------------------------------------------------------
---------------------------------------------------------------------
| Node1 | Node2 | ..... | Nodex |
| | | | |
| ipkeep(down) | ipkeep(Leader) | ipkeep(waiting)| ipkeep(waiting)|
| failed | 10.68.3.4(vip) | | |
| | | | |
| | | | |
---------------------------------------------------------------------