A-E

• D

  DNAT Connections

  A DNAT connection enables servers that share the same EIPs in a VPC to provide services accessible from the Internet through the IP address mapping or port mapping.

K-O

• N

  NAT Gateway

  NAT gateways provide the network address translation (NAT) function with 10 Gbit/s bandwidth for servers in a Virtual Private Cloud (VPC), such as Elastic Cloud Servers (ECSs), Bare Metal Servers (BMSs), and Workspace desktops, or servers that connect to a VPC through Direct Connect or Virtual Private Network (VPN) in local data centers, allowing these servers to share elastic IP addresses (EIPs) to access the Internet or to provide services accessible from the Internet.

P-T

• S

  SNAT Connections

  An SNAT connection consists of the source IP address, source port, destination IP address, destination port, and transmission-layer protocol. The source IP address and source port are the EIP and port translated by SNAT to access the destination IP address and port of a public network. With these five elements, a connection can be distinguished as a unique session.