|SAP Component||HA Technology||DR Technology||Comment|
|SAP AppServer||-||Azure Site Recovery||SAP app server is not a Single Point of Failure and does not need HA|
|SAP ASCS||SIOS||SIOS + Windows Geocluster||SIOS is a shared disk solution that creates a shared disk for sapmnt. See Note 1634991 for Geocluster|
|SQL Server||AlwaysOn||AlwaysOn||Local HA uses AlwaysOn in Synchronous mode. DR uses AlwaysOn in Async mode|
|Standalone Engine File Based||Scale out – no SPOF||Azure Site Recovery||Azure Site Recovery takes a file system consistent clone|
|Standalone Engine DBMS Based||DBMS level replication||DBMS level replication||LiveCache Warm Log Shipping|
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