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Content for  TS 29.219  Word version:  17.0.0

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1  Scopep. 6

The present document provides the stage 3 specification of the Sy reference point for the present release. The functional requirements and the stage 2 specifications of the Sy reference point are contained in TS 23.203. The Sy reference point lies between the Policy and Charging Rule Function (PCRF) and the Online Charging System (OCS). The internal OCS functionality for policy counter provision management pertaining to Sy is specified in TS 32.296.
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2  Referencesp. 6

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 23.203: "Policy Control and Charging architecture".
[3]  Void.
[4]
RFC 4005:  "Diameter Network Access Server Application"
[5]
RFC 4006:  "Diameter Credit Control Application".
[6]
RFC 5719:  "Updated IANA Considerations for Diameter Command Code Allocations"
[7]
RFC 2234:  "Augmented BNF for syntax specifications".
[8]
TS 29.213: "Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping".
[9]  Void.
[10]  Void.
[11]  Void.
[12]  Void.
[13]
RFC 791:"Transmission  Control Protocol".
[14]
RFC 4960:"Stream  Control Transmission Protocol".
[15]
TS 29.229: "Cx and Dx interfaces based on the Diameter protocol".
[16]
TS 32.296: "Telecommunication management; charging management; Online Charging System (OCS) applications and interfaces".
[17]
ETSI TS 283 034 v2.2.0:"Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); Network Attachment Sub-System (NASS); e4 interface based on the DIAMETER protocol".
[18]
RFC 3046:"DHCP  Relay Agent Information Option".
[19]
TS 29.212: "Policy and Charging Control (PCC); Reference points".
[20]
RFC 7683:"Diameter  Overload Indication Conveyance".
[21]
RFC 7944:  "Diameter Routing Message Priority".
[22]
RFC 8583:  "Diameter Load Information Conveyance".
[23]
RFC 6733:  "Diameter Base Protocol".
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3  Definitions and abbreviationsp. 7

3.1  Definitionsp. 7

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
policy counter:
A mechanism within the OCS to track spending applicable for a subscriber.
policy counter identifier:
A reference to a policy counter in the OCS for a subscriber.
policy counter status:
A label whose values are not standardized and that is associated with a policy counter's value relative to the spending limit(s) (the number of possible policy counter status values for a policy counter is one greater than the number of thresholds associated with that policy counter, i.e policy counter status values describe the status around the thresholds). This is used to convey information relating to subscriber spending from OCS to PCRF. Specific labels are configured jointly in OCS and PCRF.
spending limit:
A spending limit is the usage limit of a policy counter (e.g. monetary, volume, duration) that a subscriber is allowed to consume.
spending limit report:
a notification, containing the current policy counter status generated from the OCS to the PCRF via the Sy reference point.
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3.2  Abbreviationsp. 7

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
DRMP
Diameter Routing Message Priority
OCS
Online charging system
OFCS
Offline charging system
PCEF
Policy and Charging Enforcement Function
PCRF
Policy and Charging Rule Function
RCAF
RAN Congestion Awareness Function
SLA
Spending-Limit-Answer (SL-Answer)
SLR
Spending-Limit-Request (SL- Request)
SNA
Spending-Status-Notification-Answer (SN-Answer)
SNR
Spending-Status-Notification-Request (SN- Request)
STA
Session-Termination-Answer (ST-Answer)
STR
Session-Termination-Request (ST- Request)
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