Kanakunote ERP
Parimaar CRM
Pathiv Scheduling
By NameSparkMoving Core Banking to the Cloud: OCI vs AWS for FLEXCUBE Workloads
Five years ago, "core banking in the cloud" was a conference slide. Today it is a board agenda item — driven by ageing data centres, regulator-mandated DR drills, and the simple economics of paying for peak capacity you use twice a month. The question for most banks is no longer whether to move workloads like Oracle FLEXCUBE toward the cloud, but which cloud, in what order, and with what guardrails.
OCI or AWS? The Honest Answer
Where OCI Shines
For Oracle-stack workloads, OCI is hard to argue with: certified support for the database tier, Exadata performance without owning Exadata, licensing economics designed for Oracle software, and a clean path for FLEXCUBE's technology stack.
Where AWS Shines
For the ecosystem around the core — channels, APIs, analytics, customer engagement — AWS brings unmatched breadth of managed services and talent availability. Many banks land on a deliberate two-cloud posture for exactly this reason.
The Guardrails Regulators Expect
- Data residency — region selection and data-flow mapping documented before the first workload moves.
- Encryption and key ownership — at rest, in transit, and a clear answer to "who holds the keys?"
- Demonstrable DR — not a document but a drill: measured RPO/RTO, evidence regulators can inspect.
- Exit strategy — concentration risk answered with portability by design, not by promise.
A Migration Path That Doesn't Bet the Bank
The pattern that works is deliberately unexciting: DR first (prove the platform with a non-primary workload), then non-production (dev, test and training environments — immediate savings, low risk), then production — lift-and-shift with a stabilisation window before any re-platforming ambitions. Each phase generates the evidence, runbooks and confidence the next one needs.
One Partner, Both Sides of the Stack
NameSpark is unusual in covering both the core and the cloud: FLEXCUBE consulting alongside OCI and AWS practices. That means your migration is planned by people who know what an EOD batch does to IOPS — not learned at your expense.