Hi @Edison Umaña Tamayo
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A good SQL Server disaster recovery plan must take into account numerous factors: sensitivity of data, data loss tolerance, required availability, etc. The plan can be based on few a solutions:
- Failover clustering
- Database mirroring
- Database Replication
- Log shipping
- Backup and restore
- Always On Availability Group
Introduced in SQL Server 2012, Always On Availability Groups (availability groups) provide database-level protection by sending each transaction of a database to another instance, known as a replica, that contains a copy of that database in a special state. An availability group can be deployed on Standard or Enterprise Editions. The instances participating in an availability group can be either standalone or Always On Failover Cluster
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