Using NAT Gateway with 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.	Allowing On-Premises Servers to Communicate with the Internet
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.	Allowing On-Premises Servers to Communicate with the Internet
ECS and BMS	ECSs and BMSs can use a public NAT gateway to communicate with the Internet.	Allowing a Private Network to Access the Internet Using SNAT Allowing Internet Users to Access a Service in a Private Network Using DNAT
VPC	ECSs in a VPC can connect to the Internet.	Allowing a Private Network to Access the Internet Using SNAT
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.	Allowing a Private Network to Access the Internet Using SNAT Allowing Internet Users to Access a Service in a Private Network Using DNAT
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 User Guide
Cloud Trace Service (CTS)	With CTS, you can record operations on NAT Gateway for later query, audit, and backtracking.	Cloud Trace Service User Guide