Patent ID: 7448075
Filing Date: 2008-11-04
Classification: H04L

Abstract:
1. An authentication method for authenticating a user by an access network operator (ANO) and an IP transport network operator (ITO) during an attempt to set up a connection to an Internet access provider or to an IP service provider, the method comprising the steps of: using a user terminal to issue an access request to an Internet access provider or to an IP service provider, the request containing: first user identification (Nid) and authentication (AUTH) data with respect to the access network operator (ANO) and the IP transport network operator (ITO); and second user identification (IAPid) and authentication data with respect to the Internet access provider or the IP service provider; using an access controller to receive said access request; using said access controller to extract said first identification (Nid) and authentication (AUTH) data from said access request and transmitting said first identification and authentication data to an authentication server of the access network operator (ANO) and IP transport network operator (ITO), said authentication server authenticating the user on the basis of said first user identification and authentication data; using the access controller to extract the second identification (IAPid) and authentication (PW) data from said access request and transmitting said second identification and authentication data to an authentication server of the Internet access provider or IP service provider; authenticating the user on the basis of said second user identification and authentication data using the authentication server; transmitting a response message to the user terminal, via the access controller, the response message containing the result of said user authentication by the authentication server of the Internet access provider of IP service provider.