Source Network Address Translation
NAT Gateway with SNAT function provides proxy service of Internet access for ECS without public network IP in VPC.
Destination Network Address Translation
NAT Gateway supports DNAT function, which maps the public network IP on NAT Gateway to ECS with Internet service. DNAT also supports port mapping.
Shared Bandwidth
Multiple IP addresses shared with public network bandwidth reduces bandwidth cost for services during peak traffic.
ECS can implement the Internet function through a public network IP on the SNAT gateway in a VPC, ensuring that ECS won't be exposed to the public network.
ECS instances are created in VPCs for applications to deliver services to the Internet. Network traffic on these applications doesn’t share the same peak hour. To minimize the influence of network traffic fluctuations and to reduce the bandwidth costs, you can allow multiple IP addresses to share the same bandwidth.
Multiple Hosts Internet Access
ECS can implement the Internet function through a public network IP on the SNAT gateway in a VPC, ensuring that ECS won't be exposed to the public network.
Shared Bandwidth
ECS instances are created in VPCs for applications to deliver services to the Internet. Network traffic on these applications doesn’t share the same peak hour. To minimize the influence of network traffic fluctuations and to reduce the bandwidth costs, you can allow multiple IP addresses to share the same bandwidth.
Flexible Forwarding Capability
The NAT gateway provides SNAT and DNAT functionality. In other words,you don't have to build it by yourself.
High Performance
The NAT gateway supports 10Gbps level forwarding capability through SDN technology, which could be beneficial to large-scale public network applications.
Broad Availability
The NAT gateway supports local regeneration function and high availability through NFV technology.
On-Demand Billing
The NAT gateway's specifications, bandwidth, and public network IP can be adjusted. You can handle business changes easily.
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