This comprehensive article examines the evolution and implementation of modern disaster recovery (DR) strategies in enterprise environments. The article investigates four key areas: application criticality frameworks, failover testing methodologies, the shift to managed services, and cloud-based DR solutions. Through extensive research synthesis, this article demonstrates how organizations are transitioning from traditional DR approaches to cloud-native and managed services solutions. The article explores how structured application classification systems improve recovery success rates, examines the effectiveness of systematic failover testing in distributed environments, analyzes the benefits of managed services in hybrid environments, and evaluates the impact of cloud-based DR solutions on operational efficiency. The article reveals significant improvements in system availability, cost efficiency, and recovery capabilities through the adoption of modern DR strategies, providing valuable insights for organizations seeking to enhance their disaster recovery preparedness.
Keywords: application criticality framework, cloud-native solutions, disaster recovery strategies, failover testing methodologies, managed services infrastructure