Secure Hybrid Cloud Architecture with GCP VPC

DevOps & Solution Architecture

🌐 Overview

Building a High-Performance Hybrid Cloud Network

Vital Steer implemented a secure, scalable, and highly available hybrid cloud architecture that seamlessly connects the client’s on-premises data center with Google Cloud Platform (GCP). The solution leverages multi-region VPCs, Cloud VPN, and automated routing to ensure reliable, encrypted connectivity while maintaining operational efficiency and business continuity.

🚧 Client Challenge

The client required a hybrid cloud solution that could:

Securely extend their on-premises network into the cloud.
Ensure high availability across multiple geographic regions.
Provide scalable infrastructure for future growth.
Support bi-directional communication between on-premises and cloud resources.
Maintain compliance and security standards for sensitive data in transit.

🛠️ Solution: End-to-End Hybrid Network Design

Vital Steer designed a comprehensive GCP VPC architecture to meet the client’s needs. Key elements included:

Global VPC with Multi-Region Subnets

Global VPC: vpc-network spans multiple regions for centralized management and high availability.
Regional Subnets:
- us-west-subnet in Oregon (us-west1)
- us-east-subnet in South Carolina (us-east1)
Benefit: Ensures redundancy, failover support, and low-latency communication between cloud resources.

Compute Deployment

VMs Deployed in Both Regions: Workloads are distributed across us-west1 and us-east1 for resilience and load balancing.
Purpose: Maintains continuous availability even if one region experiences issues.

Secure Hybrid Connectivity

Cloud VPN Gateway: Establishes a Site-to-Site IPsec tunnel between GCP and the on-premises network.
On-Premises VPN Device: Terminates the encrypted tunnel, enabling secure traffic flow.
Benefit: Enables bi-directional, encrypted communication, extending the internal network securely to the cloud.

Traffic Flow and Management

Internal Cloud Traffic: VMs communicate over the global VPC using internal IP addresses.
Hybrid Traffic: All traffic to/from on-premises passes through the VPN tunnel, ensuring security and reliability.

Outcomes

✅ Enterprise-Grade Security: Encrypted hybrid cloud connections protect sensitive data.

✅ High Availability: Multi-region deployment guarantees operational continuity.

✅ Scalable Infrastructure: Easily add new cloud resources without downtime.

✅ Seamless Hybrid Integration: Cloud and on-premises resources operate as a unified network.

✅ Operational Efficiency: Simplified management and monitoring of hybrid network traffic.

Conclusion

By implementing a GCP VPC with multi-region subnets and Cloud VPN, Vital Steer delivered a high-performance hybrid cloud network that balances security, scalability, and availability. The client now enjoys seamless cloud integration, improved resilience, and simplified network management, empowering them to focus on business growth and innovation.