| 摘要 |
<p>A subscriber authorization method includes: transmitting an authorization information message in the manner of grouping multicast through a transport network; carrying out authorisation according to the multicast address, receiving the authorization information message, analyzing the authorization information message and obtaining a user's authorization data, carrying out authorization process according to the authorization data. A subscriber authorization system includes: an authorization controlling system and a terminal device, wherein the authorization controlling system includes: a user grouping multicast unit, a message encapsulation unit and a message transmitting unit. Said terminal device includes: an authorization processing unit and a message analyzing unit. The present invention can carry out multicast authorisation in the manner of grouping, save the band width required by the authorization information effectively, reduce the cycle in turn broadcasting.</p> |
