2.8. Identifying the Differences Between Public and Private Addressing Schemes
As we discussed earlier, one of the most important aspects of TCP/IP is that each client that is using it must have a unique IP address on the network on which they are using it. If the network is a small one that you control, then that may not be much of an issue, but the same rule holds true no matter how large the network gets. If you control all of the addresses on your own network (behind a firewall) and they do not come into contact with any of the Internet addresses, then you can decide which addressing scheme to use. You can use some addresses that are set aside for that purpose, or you can use your own scheme, but you should be aware of the risks associated ...
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