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TS 29.244 (CT4)
Interface between the Control Plane and the User Plane Nodes

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V16.1.0 (Wzip)2019/09  243 p.
V15.7.0 (PDF)2019/09  213 p.
V14.8.0  2019/06  184 p.

Rapporteur:  Mr. Schmitt, Peter

The present document specifies the Packet Forwarding Control Protocol (PFCP) used on the interface between the control plane and the user plane function in a split SGW, PGW and TDF architecture in EPC.

short Table of Contents for  TS 29.244  Word version:   16.1.0

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1  ScopeWord-p. 13
2  ReferencesWord-p. 13
3  Definitions, symbols and abbreviationsWord-p. 15
4  Protocol StackWord-p. 16
5  General descriptionWord-p. 19
5.1  IntroductionWord-p. 19
5.2  Packet Forwarding ModelWord-p. 19
5.3  Data Forwarding between the CP and UP FunctionsWord-p. 35
5.4  Policy and Charging ControlWord-p. 39
5.5  F-TEID Allocation and ReleaseWord-p. 47
5.6  PFCP Session Handling [R15]Word-p. 48
5.7  Support of Lawful InterceptionWord-p. 49
5.8  PFCP AssociationWord-p. 49
5.9  Usage of Vendor-specific IEWord-p. 51
5.10  Error Indication HandlingWord-p. 51
5.11  User plane inactivity detection and reportingWord-p. 51
5.12  Suspend and Resume Notification proceduresWord-p. 52
5.13  Ethernet traffic (for 5GC) [R15]Word-p. 52
5.14  Support IPv6 Prefix DelegationWord-p. 55
5.15  Signalling based Trace (De)Activation [R15]Word-p. 55
5.16  Framed Routing [R15]Word-p. 55
5.17  5G UPF (for 5GC) [R15]Word-p. 55
5.18  Enhanced PFCP Association Release [R16]Word-p. 57
5.19  Activation and Deactivation of Pre-defined PDRs [R16]Word-p. 57
5.20  Support of Access Traffic Steering, Switching and Splitting for 5GC [R16]Word-p. 58
5.21  UE IP address/prefix Allocation and Release (for 5GC) [R16]Word-p. 59
5.22  PFCP sessions successively controlled by different SMFs of an SMF set (for 5GC) [R16]Word-p. 60
5.23  5G VN Group Communication (for 5GC) [R16]Word-p. 62
5.24  Support of Ultra Reliable Low Latency Communication for 5GC [R16]Word-p. 62
6  ProceduresWord-p. 63
6.1  IntroductionWord-p. 63
6.2  PFCP Node Related ProceduresWord-p. 63
6.3  PFCP Session Related ProceduresWord-p. 76
6.4  Reliable Delivery of PFCP MessagesWord-p. 79
6.5  PFCP messages bundling [R16]Word-p. 79
7  Messages and Message FormatsWord-p. 80
7.1  Transmission Order and Bit DefinitionsWord-p. 80
7.2  Message FormatWord-p. 80
7.3  Message TypesWord-p. 85
7.4  PFCP Node Related MessagesWord-p. 86
7.5  PFCP Session Related MessagesWord-p. 95
7.6  Error HandlingWord-p. 150
8  Information ElementsWord-p. 153
8.1  Information Elements FormatWord-p. 153
8.2  Information ElementsWord-p. 159
A  PFCP Load and Overload Control MechanismWord-p. 226
B (Normative)  CP and UP Selection Functions with Control and User Plane SeparationWord-p. 226
C  Examples scenariosWord-p. 229
D (Normative)  Use of PFCP over N16a for the support of traffic offload by UPF controlled by I-SMF [R16]Word-p. 236
E  Change historyWord-p. 240

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