Thursday, July 26, 2012

P-GW Function


The PDN Gateway (P-GW) hosts the following functions (see 3GPP TS 23.401 [17])

  • Per-user based packet filtering (by e.g. deep packet inspection)
  • Lawful Interception
  • UE IP address allocation
  • Transport level packet marking in the downlink
  • UL and DL service level charging, gating and rate enforcement
  • DL rate enforcement based on APN-AMBR

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