| 摘要 |
A co-located ePDG and PGW system comprises an ePDG (Evolved Packet Data Gateway) functionality module, a PGW (Packet Data Network (PDN) Gateway) functionality module co-located with the ePDG functionality module, where the ePDG functionality module has an SWn interface configured for interfacing with an untrusted non-3GPP network, the ePDG functionality module has an interface toward the PGW functionality module configured for transporting control signaling data, and the ePDG functionality module has an S2b-U' interface toward the PGW functionality module configured for transporting IP packet data. |
