3 Definitions, symbols and abbreviations

29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

Associated PDU Session: A PDU Session associated to a multicast session that is used for 5GC Individual MBS traffic delivery method and for signalling related to a user’s participation in a multicast session such as join and leave requests.

Associated QoS Flow: A unicast QoS Flow that belongs to the associated PDU Session and is used for 5GC Individual MBS traffic delivery method. The associated QoS Flow is mapped from a multicast QoS Flow in a multicast MBS session.

CP function: A node with a Control Plane function (see 3GPP TS 23.214 [2]) supporting one or more PFCP entities. A Control Plane function, i.e. a Control Plane Node, is identified by the Node ID that is set to either an FQDN or an IP address.

Match Field: a field of the Packet Detection Information of a Packet Detection Rule against which a packet is attempted to be matched.

Matching: comparing the set of header fields of a packet to the match fields of the Packet Detection Information of a Packet Detection Rule.

Node: Either a CP function or an UP function supporting one or more PFCP entities. A Node is identified by the Node ID, which is set to either an FQDN or an IP address.

PFCP Entity: An endpoint in a CP (or UP) function supporting PFCP, that is identified by the IP address. The IP address of a PFCP entity may or may not be the IP address included in the Node ID.

UP function: A node with a User Plane function (see 3GPP TS 23.214 [2]) supporting one or more PFCP entities. A User Plane function, i.e. a User Plane Node, is identified by the Node ID that is set to either a FQDN or an IP address.

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

ADC Application Detection and Control

ATSSS Access Traffic Steering, Switching, Splitting

ATSSS-LL ATSSS Low Layer

BAR Buffering Action Rule

BP Branching Point

CP Control Plane

DDoS Distributed Denial of Service

DEI Drop Eligible Indicator

DNAI Data Network Access Identifier

DSCP Differentiated Services Code Point

DS-TT Device-Side TSN Translator

eMPS enhanced Multimedia Priority Service

FAR Forwarding Action Rule

F-SEID Fully Qualified SEID

F-TEID Fully Qualified TEID

IP Internet Protocol

IPUPS Inter-PLMN User Plane Security

IPv4 Internet Protocol version 4

IPv6 Internet Protocol version 6

I-SMF Intermediate SMF

L2TP Layer 2 Tunneling Protocol

LAC L2TP Access Concentrator

LMISF LI Mirror IMS State Function

LNS L2TP Network Server

MA Multi-Access

MA Multi-Access

MAR Multi-Access Rule

MBS Multicast/Broadcast Service

MB-SMF Multicast/Broadcast Session Management Function

MB-UPF Multicast/Broadcast User Plane Function

MBSF Multicast/Broadcast Service Function

MBSTF Multicast/Broadcast Service Transport Function

MPTCP Multi-Path TCP Protocol

MT-EDT Mobile Terminated Early Data TransmissionNR New Radio

NPN Non-Public Network

NW-TT Network-side TSN Translator

PCC Policy and Charging Control

PCP Priority Code Point

PCEF Policy and Charging Enforcement Function

PCRF Policy and Charging Rule Function

PDI Packet Detection Information

PDR Packet Detection Rule

PFCP Packet Forwarding Control Protocol

PFD Packet Flow Description

PGW PDN Gateway

PGW-C PDN Gateway Control plane function

PGW-U PDN Gateway User plane function

PMF Performance Measurement Function

PMIC Port Management Information Container

PSA PDU Session Anchor

PTP Precision Time Protocol

QER QoS Enforcement Rule

RDS Reliable Data Service

S8HR S8 Home Routed

SDF Service Data Flow

SEID Session Endpoint Identifier

SGW Serving Gateway

SGW-C Serving Gateway Control plane function

SGW-U Serving Gateway User plane function

SMF Session Management Function

SNPN Stand-alone Non-Public Network

SRR Session Reporting Rule

SX3LIF Split X3 LI Interworking Function

TDF Traffic Detection Function

TDF-C Traffic Detection Function Control plane function

TDF-U Traffic Detection Function User plane function

TMGI Temporary Mobile Group Identity

ToS Type of Service

TSC Time Sensitive Communication

TSCTSF Time Sensitive Communication and Time Synchronization function

TSSF Traffic Steering Support Function

UDP User Datagram Protocol

UL CL Uplink Classifier

UMIC User Plane Node Management Information Container

UP User Plane

UPF User Plane Function

URR Usage Reporting Rule

VID VLAN Identifier