Charge management method, charge device, network monitor device, web portal server, charge management program, content distribution server and charge management system

摘要

A network monitor center monitors states of a switch such as an M/C, EPON or the like, a router/sw, etc. that configure a network, and transmits a result of monitoring to a Web portal server; the Web portal server indicates, based on the result of the monitoring by the network monitor center, a content distribution server to change a resolution rate; and a charge center imposes a charge based on a result of having changed the resolution rate.