ARP
The address resolution protocol was the first protocol to handle client requests for address information. This is the oldest and least secure method of handling address resolution. It was designed to provide address resolution for diskless clients. It also provided the mechanism for booting over the network. ARP can still be used, but it has fallen out of favor. When booting a diskless client through ARP (when the ARP daemon provides the address), the job of transferring the file system from the server to the client becomes the job of tftpd, the trivial file transfer daemon—unless you are using the Linux kernel, RARP, and NFS solution. If you know anything about tftp, you'll remember that it is the one service in /etc/inetd.conf that is almost ...
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