Glossary

A structured comparison between keeping or buying a software product and building a system the business owns.

The timed sequence of decisions and actions used to move users, data, and integrations from a SaaS product to its replacement.

A specification that connects data fields, values, relationships, and rules in a SaaS product with their destination in a replacement system.

The controlled transfer of business data from a SaaS product into a new system, including selection, transformation, validation, and cutover.

The checks that confirm migrated data is complete, accurate, connected, accessible, and usable in a SaaS replacement.

A transition period in which a SaaS product and its replacement operate together so outputs and working procedures can be compared.

A predefined procedure for restoring safe operation in the former SaaS product when a replacement cutover cannot continue.

The one-time and transitional effort required to move from a SaaS product to another product or to software the business owns.

The hidden cost that shapes build-versus-buy. When you weigh replacing a SaaS tool with software you own, technical debt sits on both sides of the decision.

The complete cost of acquiring, operating, changing, and eventually leaving a software system over a defined period.

A documented view of the people, steps, decisions, data, and systems that make up a business process before a SaaS product is replaced.