| 摘要 |
A method for accessing a Layer-3 session is disclosed according to an embodiment of the present invention. The method includes following steps: receiving and identifying, by a Session Transport Protocol (STP) local end apparatus, a control message or a data message from a host system; mapping, by the STP local end apparatus, the control message or the data message into an STP message; and forwarding, by the STP local end apparatus, the STP message to an STP peer end apparatus. A system and an apparatus for accessing a layer-3 session are also disclosed according to the present invention. According to the embodiments of the present invention, application scenarios of the IP session are extended, so that the problem of technique limitations on the IP session concerning a VPDN and a wholesale scenario is solved.
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