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On-Premises vs Cloud: Which Is Right for Your Business?

Cloud wins on flexibility and resilience. On-prem still wins for some workloads. Most SMBs land on hybrid.

Cloud generally wins on flexibility, resilience and remote access; on-premises still wins for workloads tied to physical equipment, heavy local data, or predictable fixed costs. Most small and mid-sized businesses end up hybrid, deciding workload by workload rather than all at once.

What cloud does better

  • Resilience. Data centers with redundant power, cooling and connectivity that no office can match.
  • Remote access. Systems are reachable from anywhere with identity-based security instead of VPN gymnastics.
  • Scalability. Add capacity for a busy season and remove it afterward.
  • Disaster recovery. Replication and failover are services, not projects.
  • Lifecycle. No server hardware to buy, warranty, replace or dispose of.

What on-premises does better

  • Latency-sensitive and hardware-tied workloads. Manufacturing controls, door access, some phone systems, large local files that a design team edits all day.
  • Thin or unreliable internet. If the connection goes down and the business stops, the server should be local.
  • Fixed cost. A paid-for server has no monthly bill. This matters most for stable workloads that never change.
  • Certain licensing. A few applications are licensed in ways that make cloud hosting impractical.

How to decide per workload

  1. Email, identity and collaboration: cloud, almost always. See what is cloud migration.
  2. Backups and disaster recovery targets: cloud.
  3. Application servers: cloud unless tied to local hardware or latency.
  4. File servers: SharePoint for documents; a local or Azure file server for large, actively edited datasets.
  5. Anything that talks to physical equipment: local, with cloud backup.

The result is a hybrid cloud. If you are asking whether you need a server at all, see do I still need a server. Whatever stays local should be virtualized so it is portable later; see what is virtualization.

Mentis Group designs hybrid and cloud environments through Managed Cloud Services and implements them as IT Project Services, including on-premises and cloud server implementations.

Have a question about your own environment? Schedule a consultation with Mentis Group or call (866) 901-7808.