How do networks handle network address translation (NAT) for communication across different environments?
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How do networks handle network address translation (NAT) for communication across different environments?
Network address translation (NAT) is used to allow devices in different networks to communicate with each other. When a device from one network wants to communicate with a device in another network, the NAT device rewrites the packet headers to make it appear as if the traffic is coming from the NAT device itself, hiding the original source IP address. The NAT device maintains a translation table that maps the internal private IP addresses to external public IP addresses. This allows for communication to occur across different environments without revealing the original source IP addresses of the devices.