NAT Gateway and Other Services

Figure 1 shows the relationship between NAT Gateway and other services.

Figure 1 Relationship between NAT Gateway and other services

**Table 1** Related services
Cloud Service	Interaction	Reference
Direct Connect	On-premises servers connected to a VPC through Direct Connect can use a public NAT gateway to communicate with the Internet.	Using a Public NAT Gateway and Direct Connect to Accelerate Internet Access
Virtual Private Network (VPN)	A VPN establishes an encrypted, Internet-based communication tunnel between your on-premises network and a VPC. This ensures secure access to the Internet through a public NAT gateway.	Enabling Private Networks to Access the Internet Using Cloud Connect and SNAT
Elastic Cloud Server (ECS)	ECSs can use a public NAT gateway to communicate with the Internet.	Using a Public NAT Gateway to Enable Servers to Share One or More EIPs to Access the Internet Using a Public NAT Gateway to Enable Servers to Be Accessed by the Internet
VPC	ECSs in a VPC can connect to the Internet.	Using a Public NAT Gateway to Enable Servers to Share One or More EIPs to Access the Internet
Elastic IP (EIP)	With a public NAT gateway, servers in a VPC can share an EIP to access the Internet or provide Internet-accessible services.	Using a Public NAT Gateway to Enable Servers to Share One or More EIPs to Access the Internet Using a Public NAT Gateway to Enable Servers to Be Accessed by the Internet
Cloud Eye	You can view NAT gateway monitoring data on the Cloud Eye console.	Viewing Metrics
Identity and Access Management (IAM)	If you need to assign different permissions to employees in your enterprise to control their access to your NAT Gateway resources, IAM is a good choice for fine-grained permissions management.	Identity and Access Management
Cloud Trace Service (CTS)	With CTS, you can record operations on NAT Gateway for later query, audit, and backtracking.	Cloud Trace Service