Help Center> Server Migration Service> Service Overview> Security> Service Resilience

Updated on 2023-06-09 GMT+08:00

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Service Resilience

SMS backend nodes support cross-AZ disaster recovery. If any AZ is faulty, nodes in other AZs will take over traffic.
SMS databases are deployed in active/standby pairs. If the active node fails, services are automatically switched over to the standby node to ensure system availability.
Flow control is configured for SMS APIs. To ensure service availability, there is a limit on the maximum number of access requests allowed. If the limit is reached, no additional requests are allowed.
SMS supports resumable data transfer. SMS resumes the data transfer from where it left off after a network disconnection or an error is resolved.

Parent topic: Security

Previous topic: Auditing and Logging

Next topic: Fault Recovery

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