Policy and Charging Enforcement Function

Policy and Charging Enforcement Function (PCEF) is a group of network elements in mobile data networks. The PCEF (s) from a PCRF via the 3GPP-Gx interface and influence the data traffic in real-time with respect to service quality, service features and service fee. Typical PCEFs are

Together with the PCRF, the PCEFs form the PCC architecture of a mobile network operator and thus the so-called core network between the mobile radio stations and the Internet. Edit standardization source text

PCEF especially GGSN and PGW and their interfaces are partly standardized and further developed by the 3rd Generation Partnership Project (3GPP). Weblinks Edit sourcetext

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