2025-01-18 · Yuri Cho
Roadmaps That Admit Vendor Freeze Weeks
Why realistic calendars beat optimistic Gantt charts when Korean fiscal calendars collide with releases.
Vendor freeze windows are not surprises — they are repeating waves. Yet roadmaps often pretend linear velocity. Implementation Roadmap Lab introduces a deferral column tied to procurement calendars so executives see trade-offs early.
We combine freeze awareness with rehearsal milestones for database cutovers. Teams rehearse rollback scripts during low-risk weeks so muscle memory exists before traffic doubles.
When deferrals stack, we rewrite narratives for steering committees: fewer miracle quarters, more explicit sequencing. That honesty protects morale inside engineering organizations exhausted by whispered promises.