Method, a network access system, a network access client device, a network access trading device, and a computer software product for establishing a network connection

摘要

The invention relates to a method for controlling establishing a network connection between a client and a network comprising the phases of authenticating, authorizing, and accounting, comprising a further interim negotiation phase of negotiating a connection or business mode of authorization and accounting. The invention further relates to a network access system, network access client device, network access trading device, and a computer software product.