Cloud Computing 
Cloud Migration Without the Downtime: A Practical Playbook
By Kwame Asante · August 8, 2026 · 0 views
Cloud migration horror stories almost always trace back to the same root cause: trying to move everything at once instead of in a carefully sequenced order.
Start with a full dependency map before touching anything. Knowing exactly which services talk to which databases, and in what order they need to come back online, is the single most important artifact of the entire migration - and the one most teams skip under time pressure.
Migrate stateless, low-risk services first. Getting one real, low-stakes workload running in the cloud validates your networking, security groups, and monitoring setup before anything business-critical depends on them.
Run old and new environments in parallel wherever possible, with traffic gradually shifted rather than cut over all at once. A DNS-based gradual cutover, even over just a few hours, gives you room to roll back instantly if something looks wrong - a luxury a hard cutover doesn't offer.
Finally, budget real time for the unglamorous work after migration: right-sizing instances, tightening security groups that were left permissive during the move, and confirming backups are actually running in the new environment, not just configured to.
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