![]() Also, NAT addresses some security concerns as well. Now your entire network, whether in the home or office, is accessing the internet as if it were a single computer that solves the problem of IP addresses. NAT is the solution applied by ISPs to receive the IPv4 addresses of the devices on your local network and give them all a single IP address that they can use as a single network. It is evident rather quickly that there are not enough IP addresses available. Now add the numbers of smartwatches, business systems devices, televisions, tablets, desktops and laptops sold in that year and in every year since. about 1.8 billion mobile devices were sold in the year 2016. The upper limit looks like a lot, but, it isn’t enough e.g. The upper limit of available IP addresses is about four billion because many IP addresses are reserved for special purposes and devices and so they cannot be used. Generically is an example of IP address. The IP address of a device can be said a device’s home address, and in this way, other devices on a network can send and receive messages from that device. To manage IP address as, since the 1980s, systems on networks have been using an IP address standard IPv4. ![]() To add security to the network by keeping the private IP addresses hidden from the Internet. ![]()
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