| 摘要 |
A method and system for accessing a network over a public device are provided in the present invention. The method includes: after receiving a network access request message transmitted by a user over a public device, an Access Service Node (ASN) transmitting the received network access request message to an Authentication Center (AC), wherein, the network access request message comprises identifier information of the user; the AC initiating inquiring to an Identity Information Center (IIC) according to the identifier information of the user, and authenticating the legal validity of the user according to an inquired result, and if the authentication passes, transmitting the user's Access Identifier (AID) to the ASN; and after receiving the user's AID, the ASN sending the received AID to the public device, and the public device using the user's AID as a virtual AID, and using the virtual AID to transmit/receive packets of the user.
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