NFR attribute

Target value

Mean Time Between Failures --acceptable threshold for down-time

100000 Hrs

Mean Time To Recovery--time available to get the application back online

10 Hrs

Data integrity

Dependent data not to be impacted by uncommitted data (Consistent, Atomic)

Long running transactions not to impact read processes (Isolated)

Committed transactions to survive system crashes or downtime (Durable)

Application integrity

Application rollbacks to keep the data consistent.

Ability to access system from external environments via secure web interfaces; based on privilege access controls