Multicloud Strategy with OCI

Multicloud usually arrives by accident, through acquisitions, team preferences, and one off projects, and it stays expensive because nobody designed it. A deliberate multicloud strategy is different. It places each workload where it runs best, connects the clouds with intent, and governs the whole estate as one. For organisations with significant Oracle workloads, OCI almost always earns a place in that design. This article lays out how to build a multicloud strategy that uses OCI well rather than by drift.

It is part of our OCI vs hyperscalers series and pairs with OCI and Azure interconnect explained and migrating from AWS to OCI.

Deliberate versus accidental

Accidental multicloud is two or more clouds nobody chose to combine, each with its own identity, network, billing, and operational model, and a team stretched thin across all of them. Deliberate multicloud is a design decision: you choose to use more than one provider because the mix genuinely beats any single cloud for your workloads, and you accept the coordination cost in exchange for the fit. The first is a tax. The second can be an advantage. The goal of a strategy is to convert one into the other.

Where OCI fits in the mix

OCI's strongest claims in a multicloud design are Oracle Database workloads, where licensing and Exadata access favour it, data heavy services where its egress pricing wins, and high performance compute where bare metal and a flat network help. A very common and effective pattern is application tiers on Azure or AWS with the Oracle data tier on OCI, joined by a private link. That places each tier where it runs best and keeps the database on the platform built around it.

Connecting the clouds

Connectivity is what separates a strategy from a collection of silos. The Oracle Interconnect for Microsoft Azure provides a private, low latency link between OCI and Azure regions, covered in our interconnect article. For AWS and others, FastConnect with partner circuits provides private connectivity. The design principle is the same: keep cross cloud traffic private, keep latency sensitive calls inside a single cloud where possible, and treat the link itself as a component that can fail and must be planned for.

Governing the whole estate

The cost of running more than one cloud

Multicloud is not free. Every additional cloud adds an identity model, a billing model, a set of skills to maintain, and a surface to secure. The strategy is only worth it when the fit gains exceed those coordination costs, which is why the placement rules matter so much. Done well, the Oracle workloads land on OCI at a materially lower cost and the rest stays where it already works, and the net is positive. Done by drift, you pay the coordination tax for none of the benefit.

Bringing it together

A good multicloud strategy is a set of deliberate placement decisions, private connectivity, and unified governance, with OCI earning its place through Oracle workloads, data economics, and performance. Continue with OCI and Azure interconnect explained, migrating from AWS to OCI and when OCI is the right choice. Our multicloud and hybrid practice designs and runs estates like these.