Process of moving applications, data, and workloads from on-premises servers to cloud infrastructure with minimal downtime.
Server Migration helps companies move their email servers to the cloud over a weekend without losing any emails or causing disruption.
All four help move server-based workloads to their clouds. AWS MGN and GCP Migrate to Virtual Machines focus on lift-and-shift replication into cloud VMs. Azure Migrate provides assessment plus migration tooling (often via Azure Site Recovery for replication). OCI Cloud Migrations supports discovery/assessment and guided migrations into OCI compute.