GCP Networking Part 3: Cloud VPN

Biswanath Giri
4 min readOct 22, 2023

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Cloud VPN overview:

Cloud VPN is a secure way to connect your on-premises network to your cloud network. It uses an IPsec tunnel to encrypt traffic between the two networks, so your data is protected as it travels over the public internet.

Types of Cloud VPN

1 . HA VPN

HA VPN is a more reliable and scalable VPN solution than Classic VPN. It uses two VPN gateways in an active-active or active-passive configuration to provide high availability and performance. HA VPN also supports dynamic routing, which makes it easier to manage complex network topologies.

2. Classic VPN

Classic VPN is a legacy VPN solution that is still widely used. It is less reliable and scalable than HA VPN, but it is also simpler to configure and manage. Classic VPN does not support dynamic routing, so it may not be suitable for complex network topologies.

Which Cloud VPN type should you choose?

The best Cloud VPN type for you will depend on your specific needs and requirements. If you need a reliable and scalable VPN solution for a complex network topology, then HA VPN is the best choice. If you need a simpler and easier-to-manage VPN solution, then Classic VPN may be a better option.

HA VPN & Classic VPN Features

Reference Architecture Diagram

Create HA VPN connections between Google Cloud and Azure

Create HA VPN connections between Google Cloud and AWS

Reference Study Link :

Cloud VPN overview

Create HA VPN connections between Google Cloud and Azure

Create HA VPN connections between Google Cloud and AWS

About Me

I am having experienced IT professional with a passion for helping businesses embark on their journey to the cloud. With over 15+ years of industry experience, I currently serve as a Google Cloud Principal architect, assisting customers in building highly scalable and efficient solutions on the Google Cloud Platform. My expertise lies in infrastructure and zero trust security, Google Cloud networking, and cloud infrastructure building using Terraform. I hold several prestigious certifications, including Google Cloud, HashiCorp, Microsoft Azure, and Amazon AWS Certified.​

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Biswanath Giri

Cloud & AI Architect | Empowering People in Cloud Computing, Google Cloud AI/ML, and Google Workspace | Enabling Businesses on Their Cloud Journey