SaaS vs On-Premise: An Eight-Criterion Guide to Data, Integration and Who Runs the System
SaaS vs on-premise compared across data location, integration, patching, cost structure and exit planning, with a step-by-step way to decide per application.
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Cloud migration consultancy helps you decide, with measured data, which systems move to the cloud and which stay on-premises. We build an infrastructure inventory and a cost model based on real usage, design the hybrid architecture and backup regime, and prepare a rollback plan for every migration step, tested before it is needed.
The cloud is not automatically cheaper or better for every workload. Migrate without a proper inventory and the monthly bill becomes hard to predict. Stay put, and a business-critical application may still be running on a single physical server with no fallback.
This service is for organisations with ageing servers, a growing number of sites, or a cloud bill nobody can fully explain. We look at each system in terms of business need, tolerance for downtime and cost, and recommend where it should run. The answer is usually hybrid: production and regulated data stay on-premises, the rest moves.
Digital Bridge has been building software and its own hardware since 2013, so the team designing the link between field devices, production systems and the cloud is the same team that develops those devices and that software. After the assessment, we set out scope, phases and fee in a written proposal.
For on-premises mail and file servers there is also a ready option: our own products SmartMail corporate email and SmartFiles file management need no server installation; existing files move across with their folder structure free of charge, and old mail is transferred free of charge during initial setup. Staff sign in to both with a single identity (SmartID) from the Smart360 product family, and a departing employee's access is closed in one place. Both can be bought online: Buy SmartMail · Buy SmartFiles.
Servers, virtual machines, storage and network are catalogued, with the real resource usage of each system and the applications that depend on it.
Each application gets a decision (move as is, keep in place or rebuild) and the migration order is set by risk and dependency.
Cloud costs are based on measured usage, not guesswork. Where you already use the cloud, we review idle resources, reserved capacity and scaling rules.
Acceptable data loss and downtime are agreed with management for each system. Backup and restore procedures are put in place, and restores are actually tested.
Secure links between field devices, production systems and the cloud, with existing applications connected through system integration and data that must legally stay on-premises kept separate.
Identity management, least-privilege access and network segmentation, with configuration reviewed together with our cyber security team.
Systems, applications and the links between them are mapped, and resource usage is measured.
A target design is drawn up and the alternatives compared on cost, risk and downtime impact.
A low-risk system moves first, proving performance, real cost and the rollback procedure in practice.
The remaining systems move in the agreed order; operating procedures and monitoring are handed to your team.
For every migration step, the route back to the previous environment is written down and rehearsed before cutover. A plan first tried on cutover night is not really a plan.
The head-office server room runs end-of-life file and mail servers alongside the warehouse application, and the branches work by connecting to head office. Management's question is simple: buy new servers or move to the cloud?
Usually not. The cloud is not automatically cheaper or better for every workload. Each system is assessed on business need, tolerance for downtime and cost, and gets its own decision: move as is, keep in place or rebuild. The answer is usually hybrid, with production and regulated data on-premises and the rest in the cloud.
In four steps. First, systems, applications and their dependencies are catalogued and resource usage is measured. Next, the target architecture is designed and options are compared on cost, risk and downtime. Then a low-risk system is migrated as a pilot. Finally, the remaining systems move in the planned order and operating procedures are handed over to your team.
Costs are modelled on measured resource usage rather than guesswork. If you already use the cloud, idle resources, reserved capacity and scaling rules are reviewed. The pilot migration confirms real costs in practice, so the monthly bill becomes predictable before the full move, and the reasons behind an unexplained bill are identified one by one.
For every migration step, the way back to the old environment is written down and actually tested before the move. A rollback plan used for the first time on migration night is not really a plan. During the pilot, the rollback procedure is verified in practice alongside performance and cost.
Yes. Acceptable data loss and downtime are agreed with management for each system. Backup and restore procedures are built around those targets, and restores are actually tested. Where needed, a separate disaster recovery environment is designed, and your existing backup arrangements are reviewed as part of the work.
In the final step, operating procedures and monitoring are handed over to your team in writing: how each system is monitored, how backups are verified and what to do if something goes wrong. Because migration is phased, your team gets to know the new setup from the pilot onwards. Digital Bridge's technical support line is open 24/7.
There is no fixed package price. In an initial call we discuss the number of servers and applications, your branch structure and the output you expect; scope, phases and fee are then set out in a written proposal. The work can be limited to the inventory and cost model, or include a pilot migration, a phased move and handover to your team. The cost is known before work starts.
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