While "Active-Passive" and "Active-Active" are common industry terms, SQL Server technical documentation often refers to these as single-instance vs. multi-instance configurations within a cluster.
Активный режим — активный против активного режима — пассивный : руководство по обеспечению высокой доступности | Aerospike AktivnГ SQL Server PasivnГ SQL Server AktivnГ S...
For understanding vs. Active-Active SQL Server configurations, the most helpful official documentation is provided by Microsoft through their guides on Always On Failover Cluster Instances (FCI) and Windows Server Failover Clustering (WSFC) . Core Concepts and Comparison AktivnГ SQL Server PasivnГ SQL Server AktivnГ S...