| 摘要 |
<p>The invention concerns an access interface (16) performing control operations on packet flows transmitted to the concentrating router (12) as part of a contract between the subscriber and a manager of the shared network (10). After performing the control operations concerning a packet to be transmitted, the interface access transmits said packet to the concentrating router with a signature based on a secret shared with the concentrating router, authenticating that the packet has been subjected to the control operations.</p> |
