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Why Is SNAT Used?

Updated at: Sep 30, 2021 GMT+08:00

Besides requiring services provided by the system, some ECSs also need to access the Internet to obtain information or download software. However, assigning a public IP address to each ECS consumes already-limited IPv4 addresses, incurs additional costs, and may increase the attack surface in a virtual environment. Enabling multiple ECSs to share a single public IP address is preferable and more practical. This can be done using SNAT.

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