Transition blueprint
Scope, interfaces, migration approach, rollback criteria, and ownership model for the SaaS transition.
Repurchase
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Understanding the Repurchase module
Section titled “Understanding the Repurchase module”Repurchase addresses transitions where a workload is replaced by a SaaS solution. This path follows different migration mechanics than technical relocation into STACKIT landing zones.
Because SaaS implementations vary by product, this module documents only shared cross-solution patterns.
Why Repurchase is outside the factory
Section titled “Why Repurchase is outside the factory”- Vendor-specific delivery: Data migration, identity integration, and process mapping differ per SaaS product.
- Business-process dependency: Operating model and process redesign are often as important as technical cutover.
- Different risk profile: Contract, compliance, and adoption risks dominate over infrastructure migration risks.
Common Repurchase transition flow
Section titled “Common Repurchase transition flow”- Confirm business capability fit and target operating model for the selected SaaS solution.
- Define data scope, identity model, integration contracts, and compliance boundaries.
- Plan coexistence and cutover strategy between legacy and SaaS systems.
- Migrate data and configure integrations in controlled increments.
- Validate process outcomes, security controls, and user readiness.
- Complete cutover, decommission legacy dependencies, and stabilize operations.
Shared outputs
Section titled “Shared outputs”Adoption and enablement plan
Structured onboarding and communication plan for affected users and support teams.
Compliance and governance evidence
Documented controls for identity, data handling, auditability, and contractual obligations.