How Cyber Oxygen migrated 50+ microservices from Google Cloud Platform to Oracle Cloud Infrastructure slashing infrastructure overhead while ensuring uninterrupted availability.
A rapidly scaling global SaaS platform faced escalating infrastructure expenditures on GCP that compromised operating margins. Transitioning to Oracle Cloud Infrastructure (OCI) promised optimal compute efficiency and cost savings, but required migrating live database clusters and active API backends without introducing service disruption.
The operational mandate required orchestrating complex service dependencies across 50+ microservices within an unyielding 6-week timeframe.
Cyber Oxygen designed and deployed an automated, zero-downtime migration pipeline centered around Infrastructure as Code (Terraform) and containerized orchestration.
We mirrored target environments in OCI ahead of cutover, containerized core legacy services into managed Kubernetes clusters, and maintained real-time data replication to enable instantaneous DNS redirection with zero loss.
Prior to migration, our engineers conducted deep telemetry discovery across existing GCP load balancers and ingress paths. Every health check protocol, path routing rule, and SSL termination configuration was cataloged to prepare identical OCI infrastructure constructs.
Over 50 individual microservices spanning background queues, core processing modules, and public APIs were packaged into standard container images. We optimized compute resource limits dynamically based on real traffic profiles.
We provisioned high-availability Oracle Kubernetes Engine (OKE) worker nodes distributed across separate Availability Domains. By leveraging private subnets and auto-healing node pools, we established a resilient compute layer built for maximum fault tolerance.
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