Community Deal with Translation (NAT) is a technique by which community gadgets, such because the Synology RT2600ac router, translate non-public IP addresses used inside an area community to a single public IP tackle when speaking with the web. This enables a number of gadgets on the non-public community to share a single public IP tackle. For instance, a house community might need a number of computer systems, smartphones, and good TVs, all with non-public IP addresses like 192.168.1.x, however when these gadgets entry the web, their site visitors seems to originate from the one public IP tackle assigned to the router by the Web Service Supplier (ISP).
The first perform is to preserve public IPv4 addresses, that are a restricted useful resource. It additionally enhances safety by hiding the interior community construction from the skin world. This added layer of safety makes it tougher for malicious actors to straight goal particular person gadgets inside the native community. Traditionally, it turned prevalent as a result of fast growth of the web and the slower adoption of IPv6, which gives a vastly bigger tackle area.
