SecurityAdvanced
Private VPC & Air-Gapped AI Gateways: Running Secure LLM Proxies Inside AWS/GCP
Direct Answer & Overview
How to deploy enterprise AI gateways within isolated Virtual Private Clouds (VPC) using AWS PrivateLink and GCP Private Service Connect, eliminating public internet exposure for sensitive internal AI applications.
1.Why Public Internet AI Traffic is a Compliance Risk
In defense, financial, and healthcare sectors, security policies strictly forbid backend servers from communicating over the public internet. Routing AI queries over public DNS and internet gateways exposes applications to interception, BGP hijacking, and DNS spoofing risks.
2.AWS PrivateLink & GCP Private Service Connect Architecture
With PrivateLink, the AI gateway exposes an internal Elastic Network Interface (ENI) with a private IP address (e.g. `10.0.4.15`) directly inside your VPC subnet. All LLM requests travel entirely across cloud provider private fiber backbones, with zero packets traversing the public internet.
3.Air-Gapped Local Inference Gateways
For strictly air-gapped data centers with zero external connectivity, self-hosted gateways proxy requests to internal GPU clusters running open-weights models (such as Llama 3.3 and DeepSeek-R1) on bare-metal Kubernetes nodes.
Terraform Snippet Provisioning AWS PrivateLink to AI Gatewayterraform
resource "aws_vpc_endpoint" "ai_gateway_endpoint" {
vpc_id = aws_vpc.main.id
service_name = "com.amazonaws.vpce.us-east-1.vpce-svc-apihundred"
vpc_endpoint_type = "Interface"
subnet_ids = [aws_subnet.private_app_a.id, aws_subnet.private_app_b.id]
security_group_ids = [aws_security_group.allow_ai_traffic.id]
private_dns_enabled = true
tags = {
Name = "API100-PrivateLink-Endpoint"
Environment = "Production"
}
}Frequently Asked Questions
Does PrivateLink add latency to AI requests?
No, PrivateLink uses high-speed cloud backbone networks, often reducing latency by avoiding public internet hops and routing jitter.
Can I connect on-premise servers to an AI gateway via AWS Direct Connect?
Yes, on-premise enterprise data centers can route private AI API traffic through AWS Direct Connect or VPN into the VPC endpoint.
Is public DNS required when using PrivateLink?
No, Private DNS resolves the API domain directly to private VPC IP addresses internally.
A100
API100 Engineering Team
Infrastructure & Latency Research