Every Internet Service Provider company has a Fair Usage Policy, this is also mentioned as Acceptable Usage Policy (AUP).
What is meaning and use of Fair Usage Policy ?
Why is FUP used what are the functions of FUP data capping ?
A bandwidth cap or FUP data limitation, is a type of restriction implemented on the transfer of data over an internet network. It is helpful to deliver high speed internet plans in low rental prices. Actually every Internet provider company has to earn profit and also to satisfy customer needs in reasonable prices. There are many type of internet users. Everyone has its own type of data and speed requirements. If ISP company will not impose FUP limits on its data plans, how will it earn profit. And it is also not a good thing to charge same cost from a 100 GB data user and 500 GB data user. So each ISP company made its plans with FUP capping.