?????? ????????? ?????? ????????? ????????? ?????? ?????? ?????? ??????: ?????? ?????? ?????? ????????? ????????? ?????? ????????? ????????????

????????? ????????? ?????? ????????? ?????? ????????? ????????? ???????????? ????????? ????????? ?????? ???????????????, ?????? ???????????? ????????? ?????? ?????? ??? ?????? ???????????? ????????? ??????. ?????? ???????????? ???????????? ????????? ?????? ???????????? ????????? ????????? ????????? ??? ????????? ?????? ????????? ?????? ????????? ?????? ?????????, ?????? ????????? ???????????? ????????? ????????? ?????? ??? ????????? ?????? ????????? ????????????. ????????? ????????? ?????? ????????? ??????????????? ?????? ????????? ?????? ????????? ??????????????? ?????? ????????????, ?????? ????????? ?????? ????????? ????????? ?????? ?????? ?????? ????????? ???????????? ?????? ????????????. ?????? ???????????? ???????????? ?????? ????????? ???????????? ?????????, ?????? ?????? ?????? ????????? ????????? ?????? ????????? ???????????? ?????? ?????? ????????? ?????? ????????? ????????? ??? ?????????. ??? ??????????????? ????????? ?????? ???????????? ????????? ?????? ?????? ????????? ???????????? ??????, ?????? ??????????????? ????????? ?????? ????????? ?????? ??? ???????????? ????????? ??? ?????? ???????????? ???????????????, ????????? ???????????? ????????? ?????? ??????????????? ????????? ??????????????? ???????????????. ?????? ?????? ????????? ????????? ?????? ??? ????????? ?????? ?????? ????????? ????????? ??? ????????? ?????? ????????? ????????? ?????? ????????? ????????? ??? ??????????????? ?????? ??? ?????? ????????? ????????????.There has been long dispute on Internet service rate system since high-speed Internet was introduced. Without clear conclusion, the flat rate tariff has been adopted. Comparing with flat rate tariff, usage-based billing may limit the use of Internet, increased expense for the use of Internet, the need for development of new Internet business model. So there has been some criticism on usage-based billing. To put an end to the long dispute and understand which sort of billing system is adopted, it needs to establish appropriate domestic introduction criteria for usage-based billing. It would be better to develop domestic policy considering domestic telecommunications business environment rather than only referring to overseas cases. This study analyzes criteria for adopting usage-based billing such as price, amount, speed which would be critical for Korean consumers, The finding on the different preferences on price, amount, speed of consumer groups may help policy makers and contribute toward developing data on the billing system for individual consumers