ETSI TS 129 594-2018 5G 5G System Spending Limit Control Service Stage 3 (V15 0 0 3GPP TS 29 594 version 15 0 0 Release 15).pdf

1、 ETSI TS 129 594 V15.0.0 (2018-07) 5G; 5G System; Spending Limit Control Service; Stage 3 (3GPP TS 29.594 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 129 594 V15.0.0 (2018-07)13GPP TS 29.594 version 15.0.0 Release 15Reference DTS/TSGC-0329594vf00 Keywords 5G ETSI 650 Route des Lu

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13、ent by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS

14、 identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“,

15、“shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in d

16、irect citation. ETSI ETSI TS 129 594 V15.0.0 (2018-07)33GPP TS 29.594 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 N

17、chf_SpendingLimitControl Service . 7g34.1 Service Description 7g34.1.1 Overview 7g34.1.2 Service Architecture . 7g34.1.3 Network Functions 8g34.1.3.1 Charging Function (CHF) . 8g34.1.3.2 NF Service Consumers 8g34.2 Service Operations . 8g34.2.1 Introduction. 8g34.2.2 Nchf_SpendingLimitControl_Subscr

18、ibe service operation 9g34.2.2.1 General 9g34.2.2.2 Initial spending limit retrieval . 9g34.2.2.3 Intermediate spending limit report retrieval 10g34.2.3 Nchf_SpendingLimitControl_Unsubscribe service operation 10g34.2.3.1 General 10g34.2.3.2 Unsubscribe from spending limit reporting . 11g34.2.4 Nchf_

19、SpendingLimitControl_Notify service operation 11g34.2.4.1 General 11g34.2.4.2 Spending limit report. 11g35 Nchf_SpendingLimitControl Service API . 12g35.1 Introduction 12g35.2 Usage of HTTP . 12g35.2.1 General 12g35.2.2 HTTP standard headers . 13g35.2.2.1 General 13g35.2.2.2 Content type 13g35.2.3 H

20、TTP custom headers . 13g35.2.3.1 General 13g35.3 Resources . 13g35.3.1 Resource Structure 13g35.3.2 Resource: Spending Limit Retrieval Subscriptions (Collection) 13g35.3.2.1 Description 13g35.3.2.2 Resource definition . 14g35.3.2.3 Resource Standard Methods 14g35.3.2.3.1 POST . 14g35.3.2.4 Resource

21、Custom Operations 14g35.3.3 Resource: Individual Spending Limit Retrieval Subscription (Document) 14g35.3.3.1 Description 14g35.3.3.2 Resource definition . 14g35.3.3.3 Resource Standard Methods 15g35.3.3.3.1 PUT . 15g35.3.3.3.2 DELETE 15g35.4 Custom Operations without associated resources. 16g35.5 N

22、otifications . 16g35.5.1 General 16g3ETSI ETSI TS 129 594 V15.0.0 (2018-07)43GPP TS 29.594 version 15.0.0 Release 155.5.2 Spending limit notification . 16g35.5.2.1 Description 16g35.5.2.2 Target URI 16g35.5.2.3 Standard Methods . 16g35.5.2.3.1 POST . 16g35.6 Data Model . 17g35.6.1 General 17g35.6.2

23、Structured data types . 17g35.6.2.1 Introduction . 17g35.6.2.2 Type SpendingLimitContext . 18g35.6.2.3 Type SpendingLimitStatus 18g35.6.2.4 Type PolicyCounterInfo 19g35.6.2.5 Type PendingPolicyCounterStatus 19g35.6.3 Simple data types and enumerations . 19g35.6.3.1 Introduction . 19g35.6.3.2 Simple

24、data types 19g35.7 Error handling 20g35.7.1 General 20g35.7.2 Protocol Errors 20g35.7.3 Application Errors 20g35.8 Feature negotiation . 20g3Annex A (normative): OpenAPI specification . 21g3A.1 General . 21g3A.2 Nchf_SpendingLimitControl Service API . 21g3Annex B (informative): Change history . 24g3

25、History 25g3ETSI ETSI TS 129 594 V15.0.0 (2018-07)53GPP TS 29.594 version 15.0.0 Release 15Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change follow

26、ing formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying change of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to T

27、SG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the docum

28、ent. ETSI ETSI TS 129 594 V15.0.0 (2018-07)63GPP TS 29.594 version 15.0.0 Release 151 Scope The present specification provides the stage 3 definition of the Spending Limit Control Service of the 5G System. The 5G System Architecture is defined in 3GPP TS 23.501 2. The stage 2 definition and related

29、procedures for the Spending Limit Control Service are specified in 3GPP TS 23.502 3 and 3GPP TS 23.503 6. The Technical Realization of the Service Based Architecture and the Principles and Guidelines for Services Definition are specified in 3GPP TS 29.500 4 and 3GPP TS 29.501 5. The Spending Limit C

30、ontrol Service is provided by the Charging Function (CHF) and enables the NF service consumer to retrieve policy counter status information. The internal CHF functionality for policy counter management provisioning is specified in 3GPP TS 32.240 7. 2 References The following documents contain provis

31、ions 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 r

32、eference, 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 3GPP TR 21.905: “Vocabulary for 3GPP Specifications“. 2 3GP

33、P TS 23.501: “System Architecture for the 5G System; Stage 2“. 3 3GPP TS 23.502: “Procedures for the 5G System; Stage 2“. 4 3GPP TS 29.500: “5G System; Technical Realization of Service Based Architecture; Stage 3“. 5 3GPP TS 29.501: “5G System; Principles and Guidelines for Services Definition; Stag

34、e 3“. 6 3GPP TS 23.503: “Policy and Charging Control Framework for the 5G System; Stage 2“. 7 3GPP TS 32.240: “Charging architecture and principles; Stage 2“. 8 IETF RFC 7540: “Hypertext Transfer Protocol Version 2 (HTTP/2)“. 9 OpenAPI: “OpenAPI 3.0.0 Specification“, https:/ 10 IETF RFC 8259: “The J

35、avaScript Object Notation (JSON) Data Interchange Format“. 11 3GPP TS 29.571: “5G System; Common Data Types for Service Based Interfaces“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 1 and the following a

36、pply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 1. ETSI ETSI TS 129 594 V15.0.0 (2018-07)73GPP TS 29.594 version 15.0.0 Release 15Nchf: Service-based interface exhibited by Charging Function. 3.2 Abbreviations For the purp

37、oses 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. CCS Converged Charging System CHF Charging Function CTS Charg

38、ing Trigger Function NF Network Function PCF Policy Control Function 4 Nchf_SpendingLimitControl Service 4.1 Service Description 4.1.1 Overview The Nchf_SpendingLimitControl service, as defined in 3GPP TS23.502 3 and 3GPP TS23.503 6, is provided by the Charging Function (CHF). The Nchf_SpendingLimit

39、Control service enables the NF service consumer to retrieve policy counter status information per UE from the CHF by subscribing to spending limit reporting (i.e. notifications of policy counter status changes). If the spending limit reporting is no more required the Nchf_SpendingLimitControl servic

40、e enables the NF service consumer to unsubscribe from the reporting. 4.1.2 Service Architecture The Nchf_SpendingLimitControl service is provided by the CHF and consumed by the PCF, as shown in figure 4.1.2-1 for the SBI representation model and in figure 4.1.2-2 for the reference point representati

41、on model. CHFNchfPCFNchf_SpendingLimitControl Figure 4.1.2-1: Nchf_SpendingLimitContol service architecture, SBI representation ETSI ETSI TS 129 594 V15.0.0 (2018-07)83GPP TS 29.594 version 15.0.0 Release 15CHFPCFN28Figure 4.1.2-2: Nchf_SpendingLimitContol service architecture, reference point repre

42、sentation 4.1.3 Network Functions 4.1.3.1 Charging Function (CHF) The Charging Function (CHF) is part of the Converged Charging System (CCS). The CHF provides the Nchf_SpendingLimitControl service and is specified in 3GPP TS 32.240 7. 4.1.3.2 NF Service Consumers The PCF is the known NF service cons

43、umer, as defined in 3GPP TS 23.502 3. The NF service consumer accesses policy counter status information relating to the subscriber spending from the CHF and uses the status of each relevant policy counter as input to its policy decision as required by the decision logic. 4.2 Service Operations 4.2.

44、1 Introduction The service operations defined for the Nchf_SpendingLimitControl service are shown in table 4.2.1-1. Table 4.2.1-1: Nchf_SpendingLimitControl Service Operations Service operation name Description Initiated by Nchf_SpendingLimitControl_Subscribe This service operation is used by an NF

45、service consumer to subscribe to notification of changes in the status of the policy counters available and retrieval of the status of the policy counters for which subscription is accepted. NF service consumer (PCF) Nchf_SpendingLimitControl_Unsubscribe This service operation is used by an NF servi

46、ce consumer to unsubscribe from notification of changes in the status of all policy counters. NF service consumer (PCF) Nchf_SpendingLimitControl_Notify This service operation is used by the CHF to notify the NF service consumers about the change of the status of the subscribed policy counters. Alte

47、rnatively, it can be used by the CHF to notify that the status for one or multiple subscribed policy counter will change in the future, indicating the time when this change shall be applied. CHF ETSI ETSI TS 129 594 V15.0.0 (2018-07)93GPP TS 29.594 version 15.0.0 Release 154.2.2 Nchf_SpendingLimitCo

48、ntrol_Subscribe service operation 4.2.2.1 General The Nchf_SpendingLimitControl_Subscribe service operation is used by the NF service consumer to subscribe to notification of changes in the status of the policy counters available and to retrieve the status of the policy counters for which the subscr

49、iption is accepted. The following procedures are related to the subscribe service operation: - initial spending limit retrieval; and - intermediate spending limit report retrieval. 4.2.2.2 Initial spending limit retrieval Figure 4.2.2.2-1 shows the scenario where the NF service consumer sends a request to the CHF to retrieve the status of policy counters available at the CHF and to subscribe to spending limit reporting (see also 3GPP TS 23.502 3, figure 4.16.