SYSTEM AND METHOD FOR CO-LOCATED EPDG AND PGW FUNCTIONS
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United States of America Patent
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Jul 11, 2014
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Jul 11, 2014
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Abstract
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.
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