![]() However, to use this PPP, a PPP program has to be installed and user IDs/PWs have to be entered every time a PC is turned on, which is quite inconvenient for users. Then, how do the wireline network operators identify their subscribers and decide whether to offer the Internet service or not?Īs you may know, PPP can be used in “subscriber identification/authentication” and “IP address allocation” procedures. Then based on the findings, it finally offers the relevant Internet service to its subscribers. If they are, it now checks whether or not they are paying their monthly fees on time. So, as a general rule, an operator first identifies subscribers and then determines whether or not they are its actual subscribers. When users subscribe to the Internet service, they pay a monthly fee to their network operator for using the Internet service. Most of you are probably subscribing to a wireline Internet service provided by one of the network operators such as KT, SK Telecom or LGU+ (Korean Operators). We will look into DHCP Option 82 used in the wireline networks of network operators today.
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