Anchor Workloads: are what holds back the migration of large, complex environments to the public cloud.
53% of companies said the transition to cloud computing has made it harder to detect insider attacks (Cybersecurity Insiders, 2020) (2)
At some point in a software startup's journey, after it has scaled up and gained millions of users, there might come a point at which the cost of cloud harms margins, which may prompt companies to start repatriating computing infrastructure. (1)
For SQL Server, Brent Ozar recommends using backups and checkdb performance (on same database, on-prem and on-cloud) as a rough performance comparison.
Rehost (Lift & Shift) - IaaS
Relocate (Hypervisor-Level Lift & Shift)
Replatform (Lift and Reshape) - application source code and core architecture remain unchanged
Refactor (Re-Architect)
Repurchase (Drop & Shop)
Retire
Retain (Revisit)