State Transitions
Enterprise SBCs can experience a series of states as they become active or become standby.
Note:
Packet processing only occurs on an active Enterprise SBC.| State | Description |
|---|---|
| Initial | When the Enterprise SBC is booting. |
| Becoming Active | When the Enterprise SBC has negotiated to become the active system, but is waiting the time that you set to become fully active. Packets cannot be processed in this state. |
| Active | When the Enterprise SBC is handling all media, signaling, and configuration processing. |
| Relinquishing Active | When the Enterprise SBC is giving up its Active status, but before it has become standby. This state is very brief. |
| Becoming Standby | When the Enterprise SBC is becoming the standby system but is waiting to become fully synchronized. It remains in this state for the period of time you set in the becoming-standby-time parameter, or until it is fully synchronized. |
| Standby | When the Enterprise SBC is fully synchronized with its active system in the HA node. |
| OutOfService | When the Enterprise SBC cannot become synchronized in the period of time you set in the becoming-standby-time parameter. |
State Transition Sequences
When the active Oracle® Enterprise Session Border Controller assumes its role as the as the active system, but then changes roles with the standby Oracle® Enterprise Session Border Controller to become standby, it goes through the following sequence of state transitions:
- Active
- RelinquishingActive
- BecomingStandby
- Standby
When the standby Oracle® Enterprise Session Border Controller assumes its role as the standby system, but then changes roles with the active Oracle® Enterprise Session Border Controller to become active, it goes through the following sequence of state transitions:
- Standby
- BecomingActive
- Active