ApsaraDB RDS for MySQL - Standard mode supported for RDS instances in VPCs (the high security mode is not required)
Jan 24 2018
ApsaraDB RDS for MySQLContent
New features: RDS instances in VPCs can switch to the standard mode to further improve the database performance. Meanwhile, you do not need to set it to the high security mode when migrating RDS in classic networks to VPCs. You can directly migrate the RDS instances without any impact on your services. Applicable to: All RDS customers