Managed IT
Cloud Migration Strategies: On-Premise, Hybrid, or Full Cloud?
Lift-and-shift to AWS or Azure is rarely the right call, and full on-prem is rarer still. Hybrid is where most mid-market businesses land — but only if the migration plan respects the workloads that don't belong in either.
01Understanding the Three Models
On-premise infrastructure means hardware and software live in your facility, giving you maximum control and predictable performance for latency-sensitive workloads. Full cloud moves all compute and storage to providers like Microsoft Azure or AWS, eliminating capital hardware expenses and enabling geographic flexibility. Hybrid cloud combines both — keeping sensitive or latency-critical workloads on-premise while moving scalable or commodity workloads to the cloud. There is no universally correct answer; the right model depends on your specific workloads, compliance requirements, and budget.
02When On-Premise Still Makes Sense
Organizations with strict data sovereignty requirements, high-bandwidth workloads (such as video production or large database operations), or environments with poor internet connectivity often achieve better economics with on-premise infrastructure. The total cost of ownership calculation must include not just hardware but also power, cooling, physical security, and the staff time required to maintain the environment. For some businesses, these costs are well-managed and on-premise remains the optimal choice.
03The Case for Cloud: Flexibility and Reduced Capital
Cloud infrastructure eliminates upfront capital expenditure and shifts IT costs to a predictable operational expense. It enables rapid scaling for seasonal demand, geographic redundancy without building a secondary data center, and access to managed services (like managed databases or AI APIs) that would be prohibitively expensive to build internally. Microsoft 365 and Azure have become the default platform for most SMB environments due to deep integration with Windows and competitive pricing.
04Planning a Migration That Doesn't Break Production
The most common cloud migration mistakes are attempting to migrate too many systems simultaneously, underestimating bandwidth requirements during data transfer, and failing to test failback procedures. Arden 360 approaches migrations using a phased methodology: assessment and dependency mapping first, then pilot migration of low-risk systems, followed by production cutover during a maintenance window with validated rollback procedures in place.
05Ongoing Cost Management in the Cloud
One of the most common post-migration surprises is cloud spend that significantly exceeds projections. Without proper tagging, budgets, and auto-scaling policies, cloud costs can spiral. Arden 360 implements cloud cost management practices from day one — including reserved instance purchasing for stable workloads, automated shutdown of non-production resources, and monthly spend reviews aligned to business units. Proper governance ensures the cloud delivers its promised economics.