Thursday, May 7, 2020

Terms

Fault tolerance: The built-in redundancy of an application's components. Avoid single point of failure.

Recoverability: Process, Policies, and procedures related to restoring a service after a catastrophic event. Restore service quickly without lost data.

Scalability: The ability of an application to accommodate growth without changing design. Measure of how quickly the application infrastructure can respond to increased capacity needs so that the application is available and performing within required standards. 

Elasticity: Time based, volume based, predictive based

Recovery Point Objective (RPO): Acceptable amount of data loss measured in time

Recovery Time Objective (RTO): The time it takes after disruption to restore a business process to it service level, as defined by the operational level agreement (OLA)