An active-passive multi-region deployment runs a primary region serving all traffic and a secondary region holding a synchronized copy of the data. The secondary region still consumes electricity continuously. The reason for this standby consumption is that:

Question

Accepted Answer

The standby servers must remain powered and synchronized so that the secondary region can take over quickly when the primary fails.

Answer

The replication stream from the primary needs the secondary's network equipment to be active even when no servers are running.

Answer

Regulatory rules in most jurisdictions require that a backup site demonstrate continuous operational readiness through power consumption.

Answer

Cloud providers bill for the secondary region whether or not its servers are actively powered on at any given moment.

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An active-passive multi-region deployment runs a primary region serving all traf...

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