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- A Phased Migration Plan to EDGEBIC
A phased migration to EDGEBIC moves the plant one cell at a time while RMDB stays the system of record, so risk stays contained and no cutover is ever forced. In EDGEBIC by User Solutions, you import a cell's data, verify capacity, run it in parallel, and widen only when the planners trust the results. Each phase is small, reversible, and paced by confidence rather than a deadline, which turns a scary migration into a series of low-pressure steps.
Why phasing is the right default
Replacing a scheduling system in one move is a bet. If the new system models a capacity detail differently, the first anyone hears of it is a missed shipment, and at whole-plant scale you cannot tell which of a hundred changes caused it. Very few shops can afford that.
Phasing removes the bet. RMDB, the proven classic of the line, stays in charge of the whole plant while EDGEBIC proves itself on one cell. The plant never depends on EDGEBIC being right until you have watched it be right for weeks. Adoption becomes a series of small, reversible steps instead of a single cutover, which is exactly how a cautious operation should take on a new tool. This is the approach built into the RMDB to EDGEBIC guide.
The shape of a phase
Every phase is the same short loop, applied to one more cell.
- Import the cell's data. Export products, work centers, routings, and orders for the cell, and import through saved masks in dependency order.
- Verify capacity. Set the cell's shifts, holidays, and calendars, and confirm capacity against RMDB before reading a date.
- Schedule and compare. Run a scheduling pass and line up EDGEBIC's dates against RMDB for the same jobs.
- Reconcile. Trace every difference to a modeling detail and fix it at the source until the two systems agree.
- Widen on trust. When the planners stop double-checking the cell, add the next one.
The first phase does the most work, because it builds the masks and the calendar. Every phase after reuses them, so each new cell is faster than the last.
A realistic timeline
Here is what a few-month plan looks like, with the effort front-loaded.
| Weeks | Phase | What happens |
|---|---|---|
| 1-2 | Setup | Pick a first cell, clean its tree, build and save masks, import, verify capacity |
| 3-6 | First pilot | Schedule the cell, compare dates each cycle, reconcile, build trust |
| 6 | Widen | Planners trust cell one; add a second cell (reuses masks) |
| 7-10 | Second cell | Faster setup, same compare-and-reconcile loop |
| 10+ | Compound | Each new cell faster than the last; widen every couple of weeks |
The months are low-stress because RMDB is the system of record the whole time. The plant runs on the schedule it trusts, and each EDGEBIC cell is a controlled comparison alongside it, the discipline covered in running RMDB and EDGEBIC side by side.
The trust signal, not the calendar
The rule for moving between phases is behavioral, not a date. A phase is done when the planners trust the current cell's dates enough to stop cross-checking them against RMDB. That behavior change is the signal to widen.
Early in a phase, every EDGEBIC date gets verified against the old plan, and some differ. Each difference should trace to a modeling detail you reconcile until the systems agree. Over several cycles the differences shrink to nothing and confidence grows. When the planners stop double-checking, the cell has earned trust, and you add the next one. Do not widen on a date instead of the trust signal: forcing the next phase before the current cell is solid just carries an unresolved gap into a bigger footprint. How to read the signal is covered in validating a migrated schedule against RMDB.
Sequencing the cells
Order the phases to make the early wins easy and the hard cases late.
- Start clean. A first cell should be a fair test of the engine, not a stress test of the migration. Pick one with stable routings and a clear bottleneck, per planning an EDGEBIC pilot on one cell.
- Grow along shared resources. Add cells that share work centers or product families with the ones already migrated, so the model grows coherently.
- Leave the messiest corner for last. By the time you reach the chaotic area, you have a proven model, saved masks, and a confident team, which is exactly what a hard cell needs.
Handling open work as you widen
Each phase eventually owns real jobs, and open work-in-progress is the one part that needs care. The pattern is to move as little partial work as possible: let short jobs finish on RMDB and import new jobs clean as open orders. Only the few long jobs that cannot wait come across with their progress, where EDGEBIC preserves completed work and schedules the rest forward. The full mechanism is in migrating open jobs and actuals to EDGEBIC.
Completing the plan
The plan ends when EDGEBIC owns the schedule cell by cell and RMDB has nothing left to prove. There is no forced cutover date, because RMDB stays fully supported for as long as you want it. You complete the transition on the trust signal for the last cell, the same way you completed every phase before it. The final switch is covered in completing the cutover to EDGEBIC.
The takeaway
A phased migration to EDGEBIC moves the plant one cell at a time while RMDB stays the system of record, so risk stays contained and no cutover is ever forced. The first phase builds the masks and the calendar; every phase after reuses them and goes faster. Widen on the trust signal, not a date, sequence the easy cells first and the messiest last, and move open work as little as possible. The pace matches your team's confidence, not a deadline. See the platform in full on the EDGEBIC overview, read the whole path on the RMDB to EDGEBIC guide, and work each phase against an EDGEBIC migration checklist.
Expert Q&A: Deep Dive
Q: We run a busy plant and cannot afford a big-bang switch. What does a realistic phased plan look like over a few months?
A: A realistic plan spreads over a few months with almost all the effort in the first couple of weeks. Weeks one and two are setup: pick a first cell, clean its scheduled tree, build and save the import masks, import in dependency order, and verify capacity against RMDB. Weeks three through six are the first pilot: schedule the cell, compare EDGEBIC's dates against RMDB each cycle, reconcile differences at the source, and build trust. Around week six, when the planners stop double-checking the cell, you add a second cell, which reuses the same masks and takes far less setup. From there each new cell is faster than the last, because the masks and the calendar are already built, and you widen every couple of weeks as confidence compounds. Throughout, RMDB is the system of record and the plant never depends on EDGEBIC being right until you have watched it be right, so the months are low-stress rather than a countdown to a risky date.
Q: How do we know when a phase is done and it is safe to widen to the next cell?
A: A phase is done when the planners trust the current cell's dates enough to stop cross-checking them against RMDB, and that behavior change is the signal to widen. Early in a phase, every EDGEBIC date gets verified against the old plan and some differ; each difference should trace to a modeling detail, a shift calendar, a capacity number, a routing time, that you reconcile until the two systems agree. Over several cycles the differences shrink to nothing and the planners' confidence grows. When they stop double-checking, the cell has earned trust, and you add the next one. Do not widen on a date instead of the trust signal, because forcing the next phase before the current cell is solid just carries an unresolved modeling gap into a bigger footprint. The whole point of phasing is that each step is proven before the next begins.
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User Solutions Team
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User Solutions has been developing production planning and scheduling software for manufacturers since 1991. Our team combines 35+ years of manufacturing software expertise with deep industry knowledge to help factories optimize their operations.
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