CASE STUDY: RetailMart

Overview:
Industry: Retail/E-commerce
Size: 2000 employees, $500M revenue

Environment:

• Monolithic Java app on VMware
• Oracle RAC DB
• F5 Load Balancers
• 10 Gbps Direct Connect to AWS

Requirements:

• CapEx to OpEx
• Handle 10x Black Friday traffic
• Personalized recommendations
• Modernize without impacting sales

Exec Statements:

• CEO: Omnichannel experience.
• CFO: Predictable costs, no hardware refresh.
• CTO: Break monolith, but Oracle DB stays on-prem for 2 years.

Tech Reqs:

• Zero downtime deployments
• PCI-DSS compliance
• Image processing pipeline
• Async order processing

Constraints:

• Hybrid architecture required
• Team knows Spring Boot, zero Kubernetes exp
• 6-month timeline

QUESTION: The CTO requires the Oracle database to remain on-premises while the application moves to GCP. Which hybrid connectivity solution should you implement to ensure high throughput and low latency?