In theory, the Internet is a continuous-rate network. Clients that want to gain access to the internet can request for specific rates such as 98.99 Mbps, or 99.01 Mbps. This is possible, but it causes a lot of complications to the company providing the internet service. For one, the managements and operations of the company will definitely be very difficult to handle. This is the summary of a behavioral targeting by Qian Lv and George Rouskas. You can get the pdf of the behavioral targeting here: Internet Service Tiering.