# Cloud VPN documentation

[Read product documentation](https://docs.cloud.google.com/network-connectivity/docs/vpn/concepts/overview)
Cloud VPN securely extends your peer network to Google's network
through an IPsec VPN tunnel. Traffic is encrypted and travels between the two
networks over the public internet. Cloud VPN is useful for
low-volume data connections. For additional connection options, see the
[Hybrid Connectivity](https://cloud.google.com/hybrid-connectivity/) product page.

## Documentation resources

Find quickstarts and guides, review key references, and get help with common issues.

### Guides

-

  [Moving to HA VPN from Classic VPN](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/moving-to-ha-vpn)

-

  [Creating an HA VPN gateway to a peer VPN gateway](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/creating-ha-vpn)

-

  [Configuring firewall rules](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/configuring-firewall-rules)

-

  [Configuring the peer VPN gateway](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/configuring-peer-gateway)

-

  [Using third-party VPNs with Cloud VPN](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/interop-guides)

-

  [Viewing logs and metrics](https://docs.cloud.google.com/network-connectivity/docs/vpn/how-to/viewing-logs-metrics)

### Concepts

-

  [Best practices for Cloud VPN](https://docs.cloud.google.com/network-connectivity/docs/vpn/concepts/best-practices)

-

  [Cloud VPN overview](https://docs.cloud.google.com/network-connectivity/docs/vpn/concepts/overview)

-

  [Cloud VPN topologies](https://docs.cloud.google.com/network-connectivity/docs/vpn/concepts/topologies)

-

  [Advanced configurations](https://docs.cloud.google.com/network-connectivity/docs/vpn/concepts/advanced)

### Resources

-

  [APIs and gcloud reference](https://docs.cloud.google.com/network-connectivity/docs/vpn/apis)

-

  [Pricing](https://docs.cloud.google.com/network-connectivity/docs/vpn/pricing)

-

  [Quotas and limits](https://docs.cloud.google.com/network-connectivity/docs/vpn/quotas)

-

  [Troubleshooting](https://docs.cloud.google.com/network-connectivity/docs/vpn/support/troubleshooting)

-

  [Classic VPN partial deprecation](https://docs.cloud.google.com/network-connectivity/docs/vpn/deprecations/classic-vpn-deprecation)

-

  [Release notes](https://docs.cloud.google.com/network-connectivity/docs/vpn/release-notes)

-

  [SLA](https://docs.cloud.google.com/network-connectivity/docs/vpn/sla)

## Related resources

Explore self-paced training, use cases, reference architectures, and code samples with examples of how to use and connect Google Cloud services. Tutorial Use cases

### [Securely connecting to VM instances](https://docs.cloud.google.com/architecture/build-ha-vpn-connections-google-cloud-aws)


Learn how to build HA VPN connections between Google Cloud and AWS.

Network Connectivity

<br />

Use case Use cases

### [Deploying HA VPN with Terraform](https://docs.cloud.google.com/community/tutorials/deploy-ha-vpn-with-terraform)


This tutorial demonstrates how to use Terraform to deploy the high-availability VPN resources on Google Cloud that are used in the VPN interoperability guides.

Network Connectivity

<br />

Solution / product Use cases

### [TCP optimization for network performance in Google Cloud and hybrid scenarios](https://docs.cloud.google.com/solutions/tcp-optimization-for-network-performance-in-gcp-and-hybrid)


Learn about ways to improve connection latency between processes within Google Cloud, including how to compute correct settings for decreasing the latency of TCP connections.

Network Connectivity

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