Refactoring is also referred to as re-architecting.
It involves modifying the application’s foundation or core and/or its environment.
This process aids in enhancing application scaling, performance, and future development.
Repurchasing involves transitioning to a different business model.
It shifts your application from a traditional model to a software-as-a-service (SaaS) model.
Retaining focuses on maintaining essential business applications.
This may involve applications that need to be refactored before they can be migrated.
It involves eliminating redundant or unnecessary applications.