Differentiation: High Availability, Continuous Operations and Continuous Availabiility
RohitShetty 1200008RCP Visits (20398)
Continuous Availability (CA)- Attribute of a system to deliver non disruptive service to the end user 7 days a week, 24 HOURS A DAY (there are no planned or unplanned outages).
Continuous Operations (CO)- Attribute of a system to continuously operate and mask PLANNED OUTAGES from end-users. It employs Non-disruptive hardware and software changes, non-disruptive configuration, software coexistence.
High Availability (HA)- The attribute of a system to provide service during defined periods, at acceptable or agreed upon levels and masks UNPLANNED OUTAGES from end-users. It employs Fault Tolerance; Automated Failure Detection, Recovery, Bypass Reconfiguration, Testing, Problem and Change Management.