Wave D Closeout¶
Wave Closeout¶
- Wave:
Wave D - Status:
completed (prepared + deferred) - Date:
2026-03-09 - Owner:
Arqon (irbsurfer) - Objective: establish ownership and migration safety controls for external infrastructure without forcing premature cutover.
Scope Completed¶
- finalized external ownership inventory
- assigned single accountable owner for all external infrastructure surfaces
- published readiness checklist for D2 live migration
- aligned modernization matrix, decision log, and gotcha registry
Files Added¶
Files Updated¶
- Wave D Ownership Inventory
- Wave D Readiness Checklist
- Modernization Matrix
- Decision Log
- Gotcha Registry
Breaking Changes Introduced¶
- none
Compatibility Shims Added¶
- none
Verification Performed¶
- ownership matrix and responsibility assignments reviewed
- readiness gate criteria reviewed
- docs build validation:
mkdocs build
Residual Risks¶
- external runtime/update ownership remains inherited until D2
- availability and policy changes on inherited infrastructure remain outside Arqon control
Rollback Point¶
- no runtime cutover was performed; rollback is not applicable
Entry Criteria For Next Step¶
D2 starts only when all of these are true:
- Arqon-owned endpoints and artifact hosts are live
- readiness checklist is fully green
- explicit cutover window is approved