Business Description
High Availability is the terminology that ensures an operational continuity during any failure of primary system. Users want their application to be up and ready for use at all time. Availability defines the ability of the users to access the system, whether to submit new work, update or alter existing work, or collect the results of previous work and if they are not able to do so, these systems are supposed to be unavailable which in turn means downtime and productivity loss. The productivity loss means revenue loss. Generally, the term downtime is referred to the period when a system is unavailable. In order to make sure systems, services, applications are available 24X7, customer engage with solution providers to design the robust DR strategy and plan. Disaster Recovery (DR) is undertaking whereby an organization invests in computing hardware and software to be used when primary processing site becomes unavailable. In order to design the Disaster Recovery plan each business owner has to be a part as the decision of providing RPO (Recovery point objective) and RTO (Recovery time objective) depending upon the criticality of the application.
https://www.alletec.com/resources/blogs/item/261-best-practices-for-implementing-disaster-recovery-solutions.html
