Patent ID: 7707293

Claim:
A method for transferring a session request, comprising: acquiring, by an Authentication, Authorization and Accounting, AAA, client in a visited network of a terminal, a routing table related to a session; wherein the routing table is generated during transferring a session establishment request of the session and records the address information of at least one Authentication, Authorization and Accounting (AAA) proxy server between the AAA client in the visited network of the terminal and a destination AAA server in a home network of the terminal; transferring, by the AAA client of the visited network of the terminal, the session request of the session carrying the routing table to a first AAA proxy server of the visited network of the terminal according to the address information of the first AAA proxy server recorded in the routing table upon receiving the session request of the session sending from the terminal; acquiring, by the first AAA proxy server of the visited network of the terminal, a route for sending the session request of the session, according to the routing table carried in the received session request; transferring, by the first AAA proxy server of the visited network of the terminal, the session request of the session carrying the routing table to the AAA proxy server of the intermediate network or the destination AAA server of the home network of the terminal, according to the route for sending the session request of the session; and transferring all session requests of another session between the AAA client and the destination AAA server through the AAA proxy server according to the routing table related to the session, wherein the another session and the session relate to the same visited network of the terminal and the same home network of the terminal.