This document discusses Disaster Recovery as a Service (DRaaS) using Microsoft Azure Site Recovery. It outlines the need for disaster recovery strategies due to increased reliance on IT systems and the challenges of maintaining an on-premise DR site. Azure Site Recovery provides an automated and cost-effective DRaaS solution through replication of workloads to Azure. It allows for customizable recovery plans, non-disruptive testing, and orchestrated failover. The solution overview describes how Azure Site Recovery protects virtual machines, servers, and applications across platforms.