Oracle Multicloud 
Services in 2026: 
How OCI Runs Inside 
the Major Hyperscalers

An enterprise can run its applications on AWS, build analytics pipelines on Google Cloud, and use Azure for its Microsoft workloads while continuing to rely on Oracle Database for mission-critical transactions. The architectural challenge is making these environments work together without introducing unnecessary network latency, data movement, or any recovery difficulty.

Oracle's multicloud strategy addresses this through two distinct approaches: database services deployed on Oracle infrastructure inside partner hyperscaler data centers, and private interconnects that link separate OCI and hyperscaler environments. Each approach serves a different purpose, with implications for application design, network architecture, data replication, disaster recovery, and operational ownership.

This blog explores how OCI's multicloud connectivity services fit into enterprise architectures. Let’s discuss. 

How Do Oracle Multicloud Services Work Across Hyperscalers?

The core idea behind multicloud on Oracle is straightforward. Oracle runs its database infrastructure, Exadata hardware included, inside the data centers of Microsoft Azure, AWS, and Google Cloud.. Applications keep running on the hyperscaler's own compute and reach the database over a private network within the same facility. Teams provision and monitor the service through the console of the cloud they already use.

That design addresses the two questions most Oracle multicloud conversations start with: who is responsible for latency and who runs the operations. Oracle manages the database and the private links on the Oracle infrastructure while the hyperscaler manages everything around it. That arrangement shows up in a few recurring shapes, and understanding them makes later architectural decisions much clearer.

Oracle Multicloud Patterns: Independent Workloads, Split-Stack Designs, and Cross-Cloud Recovery

Oracle groups it's OCI multicloud architectures into three distinct patterns.

Enterprise multicloud architectures commonly follow three patterns, depending on how workloads interact and how the organization plans for outages.

Independent workloads: Separate applications or business units operate across different cloud providers with limited cross-cloud dependencies. This pattern can arise from acquisitions, technology requirements, existing investments, or regulatory considerations.

Split-stack architectures: Different tiers of an application run in separate environments. For example, an application may run on Azure while its Oracle database remains on OCI, connected through a private interconnect. Database co-location services offer another option when the application and database can operate within the same hyperscaler environment.

Cross-cloud disaster recovery: Production and recovery environments are distributed across locations or platforms to support continuity objectives. The appropriate design depends on database replication, application dependencies, network connectivity, recovery time objectives (RTOs), and recovery point objectives (RPOs).

Split-stack architectures require particular attention to network latency, connection management, data consistency, and failure handling. Before selecting an integration, architects should establish where each application tier will run, how the tiers will communicate, and which recovery mechanisms are supported by the chosen services. 

How OCI Integrates with Microsoft Azure, Amazon Web Services, and Google Cloud

Each of these three clouds hosts Oracle’s database services differently, and the details of each integration are worth understanding on their own terms.

Microsoft Azure: Database Co-location and Oracle Database Service for Azure

Oracle AI Database@Azure deploys Oracle database infrastructure within Microsoft Azure data centers. Available capabilities include Oracle Exadata Database Service and Autonomous AI Database offerings, subject to service and regional availability. Azure networking and Microsoft Entra ID integration support connectivity and identity management within the supported architecture. Procurement is available through Azure Marketplace, subject to the applicable commercial terms.¹

Oracle Database Service for Azure is a distinct integration model. It provides Azure users with an Azure-oriented provisioning and management experience for supported Oracle database services..

The choice between these models depends on the required database service, deployment location, networking architecture, management experience, and commercial arrangements. Existing Oracle Database Service for Azure customers should assess their current architecture and requirements before considering a change. The two models should not be treated as interchangeable deployments.  

Amazon Web Services: Database Co-location and Oracle Interconnect for AWS

Oracle AI Database@AWS brings Oracle database services to OCI infrastructure deployed within AWS data centers. Supported capabilities include Oracle Exadata Database Service and Autonomous AI Database offerings, with availability varying by region and service. Applications running in AWS can access the database through the supported networking integration, allowing organizations to retain AWS application services alongside Oracle database technology. Procurement and billing arrangements depend on the selected offering.²

Oracle Interconnect for AWS serves a different purpose. It provides a private, managed connection between OCI and AWS for architectures in which workloads remain distributed across the two environments. The service became generally available in 2026, initially supporting the OCI Ashburn region and AWS US East (N. Virginia), with additional region pairs subject to subsequent availability announcements.³

Architects evaluating the interconnect should verify supported region pairs, connection configuration, routing requirements, security controls, and pricing against the current service documentation. General availability does not mean that every region pair is supported.  

Google Cloud: Database Services, AI Agents, and BigQuery Integration

Oracle AI Database@Google Cloud brings Oracle database services to OCI infrastructure within Google Cloud data centers. Supported services include Oracle Exadata Database Service and Autonomous AI Database offerings, with regional availability and capabilities varying by configuration. The integration allows organizations to use Oracle database technology alongside Google Cloud application, analytics, and AI services.

Oracle has also expanded the integration's data movement capabilities. OCI GoldenGate became available on Oracle AI Database@Google Cloud in May 2026, supporting data replication across on-premises, cloud, and multicloud environments. This can support migration, data synchronization, and analytics architectures that depend on current operational data. ^4,5

Oracle's AI and analytics integrations provide additional options for working with governed enterprise data. Capabilities involving Gemini Enterprise, Autonomous AI Lakehouse, and BigQuery Iceberg tables should be evaluated individually, based on their current availability, prerequisites, and supported configurations. These features do not imply that every Oracle database workload can be queried or transferred through a single unified integration.

Oracle Interconnect for Azure and OCI FastConnect: Private Connectivity for OCI Multicloud

Oracle Interconnect for Azure ties an OCI FastConnect virtual circuit to an Azure ExpressRoute circuit. Traffic between OCI Virtual Cloud Networks (VCNs) and Azure Virtual Networks (VNets) then moves privately without crossing the public internet. Redundancy comes built into the connection, bandwidth follows whichever ExpressRoute tier a team selects, and BGP handles the routing. The classic deployment puts .NET or custom applications in Azure and the Oracle Database in OCI.⁷

This private-link approach is available across paired regions in Asia Pacific, Europe, Africa, Latin America, and North America, so region choice deserves early attention. A matching interconnect is available for Google Cloud, and Oracle Interconnect for AWS is now generally available, so the same private-connectivity approach carries across all three hyperscalers. Once the network is settled, attention shifts to the data that has to travel across it.

OCI GoldenGate and MySQL HeatWave: Data Replication and Analytics Across Clouds

OCI GoldenGate handles real-time data replication across Oracle multicloud environments. On Oracle AI Database@Google Cloud, its integration is currently in preview, with general availability expected later in 2026. Oracle describes it as enabling real-time, low-impact Oracle database migration with high availability, and as a live feed into BigQuery for near real-time analytics. That combination makes it a strong fit for migrations where downtime is a constraint and for teams that need operational and analytical data in sync without building difficult pipelines. For architects, the practical takeaway is to match the replication tool to the migration or analytics goal before settling on a target cloud.³

For MySQL workloads, Oracle MySQL HeatWave runs natively on AWS, allowing existing applications to reach it over private AWS networking. It also reaches Azure through Oracle Database Service for Azure and the Azure interconnect. MySQL HeatWave availability on Google Cloud is not currently documented by Oracle; architects should confirm directly with Oracle before including it in a design. None of that data movement holds up well against a provider-level outage, which is what the disaster recovery layer addresses.

How OCI Full Stack DR Protects Oracle Databases Across Azure, AWS, and Google Cloud

OCI Full Stack Disaster Recovery (DR) supports switchovers, failovers, and DR drills for Oracle AI Database services across Azure, AWS, and Google Cloud, once Data Guard or Autonomous Data Guard is configured. It covers Autonomous AI Database on Serverless and Dedicated Infrastructure, Base Database Service, and Exadata Database Service on Dedicated and Exascale Infrastructure.⁶ The drill functions deserve regular use, because rehearsing a recovery plan in a controlled setting is a far cheaper way to find gaps than discovering them during a real outage.

One limit deserves plain mention: Full Stack DR protects the Oracle database tier and does not extend to native compute, storage, networking, and application services. Each hyperscaler's own recovery tooling still has to cover everything else. Treating them as two coordinated plans keeps recovery drills honest. That coordination challenge extends into billing and governance as well. 

Cloud4C Managed Oracle Multicloud Services Across OCI, Azure, AWS, and Google Cloud

Cloud4C is a global leader in AI-powered, automation-driven, application-centric managed services and cloud infrastructure, delivering Sovereign and Secure Industry Hybrid Cloud solutions across 25 countries. Our Oracle managed services carries the Oracle Cloud Sell and Cloud Service Expertise designations, along with proven capability in all leading hyperscalers including managed Oracle Database Services on AWS, Azure, GCP, and OCI.  . An Oracle Center of Excellence staffed by Oracle-certified engineers supports cross-cloud migration, data modernization, Disaster Recovery-as-a-Service (DRaaS), and managed operations across OCI and the clouds connected to it, including Oracle on Azure.

Our Self-Healing Operations Platform (SHOP) brings monitoring, automated remediation, and incident triage into a single operational view, diagnosing database and application issues together. Hybrid and multicloud managed services, security, governance, and AIOps-powered Oracle operations all sit under one accountable team. That setup matters most in regulated sectors like BFSI, healthcare, and the public sector, where clear ownership and strict control carry real weight.

Contact Cloud4C and plan an Oracle multicloud design that fits an organization's specific cloud footprint and compliance needs. 

Frequently Asked Questions:

Sources:
¹oracle.com/cloud/azure/oracle-database-at-azure/faq
²oracle.com/cloud/aws/faq
³oracle.com/cloud-infrastructure/oracle-interconnect-for-aws-ga
⁴cloud.google.com/blog/topics/partners/the-foundation-for-the-agentic-enterprise-built-with-oracle-database-at-google-cloud
⁵oracle.com/news/announcement/oracle-expands-powerful-ai-capabilities-in-oracle-ai-database-at-google-cloud-to-supercharge-enterprise-data-innovation-2026-04-22
⁶blogs.oracle.com/maa/oci-full-stack-dr-supports-oracle-ai-databaseazure-aws-and-google-cloud
⁷oracle.com/cloud/azure/interconnect