Organizations deciding direction before a data-center refresh
For each system we lay out whether to rehost, rebuild, or leave it in place, with the cost of each option.
A migration service that maps system dependencies and executes migration waves, landing zones, and a safe cutover.
01Overview
Cloud Migration confirms how systems depend on each other, groups them into migration waves, and runs cutover only after rehearsal. How much data has to move and the landing zone build sit in the same plan, and because the rollback trigger is fixed in advance, the time the business stands still stays inside the window that was planned.
02Who it fits
For each system we lay out whether to rehost, rebuild, or leave it in place, with the cost of each option.
Real traffic records reveal the integrations, so the groups that have to move together become visible.
Rehearsal measures the elapsed time and sets the rollback threshold, so the cutover finishes inside its window.
03What we deliver
01
The systems in scope are inventoried and their integrations and data flows confirmed against real records. The groups that must move together emerge, so the waves can be drawn realistically.
02
The destination is built first with its account structure, network, and security standards, and the order of movement is fixed from there. Systems that arrive later land on the same standard, so operations do not fragment.
03
A dress rehearsal under production-like conditions comes before the real cutover and the stabilization period. Knowing the elapsed time and the failure points in advance makes the change window realistic.
How the service works
Group dependent systems, rehearse the move and agree rollback conditions before cutover.
04Why this way
Each point lists the deliverable that backs it.
Ordering the waves by technical difficulty alone is how a migration collides with a month-end close. The dates that cannot move — closing, production planning, filings to external bodies — go onto the calendar first, and the waves are placed in the gaps between them. That is why the people who run the business sit in the sequencing session.
Backed by
Client work · Live commerce
Live commerce, company B — the operating environment stood up alongside the build
The environment went up first, on the development schedule, and the same team carried the deployment and operations paths after it.
Learn moreThe hard part of a cutover is not the success plan but the abort plan. How long replication is kept running, which reading triggers a reversal, and how many steps the reversal takes are all fixed in writing beforehand. When the moment to decide arrives, a prepared procedure runs instead of a discussion. The same principle carried live-commerce company B and the travel-product management system through their own environment moves.
Backed by
Client work · North American food ordering platform
North American food ordering platform, company W — delivery and operations aimed overseas
A CDN moved delivery closer to the user, and the operations aimed at overseas users stayed with us in Korea.
Learn more05How to start
Every stage ends with an agreed scope and a deliverable in your hands.
Step 01
We collect current cost, performance, configuration, and ownership per account and turn them into a baseline within three weeks of kickoff.
DeliverableBaseline assessment report
Step 02
We set the target structure around business criticality and regulatory constraints, then fix the transition order and rollback conditions with you.
DeliverableTarget architecture and transition plan
Step 03
We cut over only after rehearsal, then move observability, cost, and incident response into a single operating model.
DeliverableCutover record and operations runbook
Step 04
We review operating metrics with you once a month and agree the next quarter improvements in priority order.
DeliverableOperations dashboard and improvement backlog
06Contract options
07Service levels
99.95%
Uptime
30%+
Average savings after migration or redesign
24·7
Night-and-holiday coverage included
Stone manufacturer S needed to move its hosting environment to the cloud while rebuilding its corporate website.
What we doWe fixed the cutover order so operations would not be affected, measured the elapsed time through rehearsal, and ran the cutover inside a defined change window.
What it leavesThe migration finished, leaving operations a baseline they could take over on the new environment.
A new service had to be built and its cloud operating environment stood up at the same time.
What we doThe environment went up first, on the development schedule, and the same team carried the deployment and operations paths after it.
What it leavesDevelopment and infrastructure moved on one schedule instead of waiting on each other.
A service used in California, USA had to be operated from Korea.
What we doA CDN moved delivery closer to the user, and the operations aimed at overseas users stayed with us in Korea.
What it leavesThe service area is abroad, and delivery and operations still run from Korea.
09FAQ
It is decided system by system. Where a contract is about to end, we lift the configuration as it stands. For systems that change often, we compare the cost and schedule of moving to a managed service and decide together.
No. We start from workload requirements and choose the provider and services from there. Managed services do carry a switching cost, so we agree at design time how much of the stack stays on standard technology.
Yes. We take on operations in stages and move recurring work into runbooks and automation to reduce the headcount required. Night and holiday coverage is split by service criticality when the contract is agreed.
Most work is designed for zero or minimal downtime. Where downtime is unavoidable we agree the rehearsal, the rollback trigger, and the acceptable outage window first, then schedule the change at the lowest-traffic hour.
We compile the baseline report within three weeks of kickoff. Current cost, performance, configuration, and operational ownership are collected by account to inform the target architecture, transition sequence, and rollback conditions.
We review operational metrics, incidents, and improvement tasks monthly. Priorities for the following quarter are recorded in the operational dashboard and improvement backlog to inform the next investment decisions.
We share the findings from the first stage, then agree scope and schedule on that basis before delivery. A finished request for proposal is not required: the current environment and the outcome you want are enough to start.
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12Related resources
Guides and checklists you can use during review and kickoff.
See all resources2026.08.25
What IXC takes on across four practices and what it does not, the order the work runs in, and what gets handed over — in one file.
2026.09.04
The items both sides exchange in the first week after signing, grouped into assets, access, escalation, recovery and exit terms.
2026.09.10
A practical worksheet connecting migration sequence, authoritative data, rehearsal evidence and rollback deadlines to proceed or hold decisions.
Contact
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