In previous chapters, we have seen various PaaS and IaaS offerings on Google Cloud Platform, such as the App Engine environment, Compute Engine VMs, and GKE (Kubernetes Engine). All of them involve independent or cluster-level networking. This is handled by Virtual Private Cloud (VPC) networks in GCP. Let's explore and understand the idea of VPCs in detail.

In this chapter, you will learn about the following:

• Virtual Private Cloud networks
• Subnets
• Firewall rules in GCP