Cloud VPN
Your on-premises network, tunnelled into a cloud VPC.
How widely is it used?
Adoption is rising quicklyGrowing fast with hybrid cloud — every major provider ships a managed IPsec endpoint.
How it works
The cloud provider hosts a managed IPsec endpoint; your firewall builds a tunnel to it and routes the VPC ranges across, usually with two tunnels for redundancy.
Connects
On-premises network → cloud network
Protocols
IPsec, IKEv2, Provider-managed gateways
Typical users
Cloud and platform teams
Main use case
Hybrid connectivity between a data centre and AWS, Azure or GCP.
Advantages
- Managed, redundant endpoints
- No public exposure of internal services
Limitations
- Each provider has its own parameter quirks
- Throughput is capped per tunnel