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TDF-U - Traffic Detection Function User plane function

The TDF-U is located at the ingress and egress point to a PDN (Packet Data Network) such as the Internet when control and user plane separation is in place. Under the control of a TDF-C (Traffic Detection Function Control plane function) the TDF-U assists with bearer and APN (Access Point Name) policing, service data flow traffic detection, application detection, deep packet inspection and event reporting.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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