How to Prepare a Cloud Migration Before the First Ticket
Cloud migrations often fail before implementation starts because key architecture questions stay unresolved. Here is what to clarify early to reduce risk and rework.
Cloud migration projects usually do not fail because engineers cannot move workloads. They fail because key decisions were left unclear before execution.
Related articles on this topic: Azure Oder Aws and Arc42 Adrs Architekturentscheidungen.
Questions to settle first
Before planning tasks, align on:
- target architecture and service boundaries
- data migration strategy and rollback plan
- security baseline and access model
- observability, incident ownership, and support model
If these stay vague, the team burns time on rework.
Define the migration pattern
Not every workload should be rewritten. Decide per system:
- rehost for speed
- replatform for managed operations
- refactor for long-term flexibility
One pattern for every workload is rarely optimal.
Plan for operations, not just go-live
A successful migration includes day-2 operations from day 0. That means logging, alerting, backup, and clear on-call ownership.
Common risk to avoid
Teams often underestimate hidden dependencies in legacy systems. Run dependency mapping early and validate assumptions with real traffic paths.
30-day prep sequence
- Baseline current workloads and dependencies.
- Classify systems by migration pattern.
- Define security and observability baseline.
- Pilot one low-risk workload end-to-end.
Need help pressure-testing your migration plan? Contact us.
Related reading
If this topic is relevant for your roadmap, these articles are a good next step: