Universal Mobile Telecommunications System (UMTS); LTE; Proximity-services (ProSe) function to Home Subscriber Server (HSS) aspects; Stage 3 (3GPP TS 29.344 version 14.4.0 Release 14)

RTS/TSGC-0429344ve40

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Status
Published
Publication Date
02-Oct-2019
Current Stage
12 - Completion
Completion Date
03-Oct-2019
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ETSI TS 129 344 V14.4.0 (2019-10) - Universal Mobile Telecommunications System (UMTS); LTE; Proximity-services (ProSe) function to Home Subscriber Server (HSS) aspects; Stage 3 (3GPP TS 29.344 version 14.4.0 Release 14)
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ETSI TS 129 344 V14.4.0 (2019-10)






TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Proximity-services (ProSe)
function to Home Subscriber Server (HSS) aspects;
Stage 3
(3GPP TS 29.344 version 14.4.0 Release 14)

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3GPP TS 29.344 version 14.4.0 Release 14 1 ETSI TS 129 344 V14.4.0 (2019-10)



Reference
RTS/TSGC-0429344ve40
Keywords
LTE,UMTS
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3GPP TS 29.344 version 14.4.0 Release 14 2 ETSI TS 129 344 V14.4.0 (2019-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present document does
not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks.
Legal Notice
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. These shall be
interpreted as being references to the corresponding ETSI deliverables.
The cross reference between 3GPP and ETSI identities can be found under http://webapp.etsi.org/key/queryform.asp.
Modal verbs terminology
In the present document "shall", "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 direct citation.
ETSI

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3GPP TS 29.344 version 14.4.0 Release 14 3 ETSI TS 129 344 V14.4.0 (2019-10)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 5
1 Scope . 6
2 References . 6
3 Definitions, symbols and abbreviations . 7
3.1 Definitions . 7
3.2 Abbreviations . 7
4 General Description . 7
4.1 Introduction . 7
5 Procedure Descriptions. 7
5.1 Introduction . 7
5.2 ProSe Subscriber Information Retrieval . 8
5.2.1 General . 8
5.2.2 Detailed Behaviour of the ProSe Function . 8
5.2.3 Detailed Behaviour of the HSS . 9
5.3 Update ProSe Subscriber Data . 9
5.3.1 General . 9
5.3.2 Detailed behaviour of the ProSe Function . 10
5.3.3 Detailed behaviour of the HSS . 11
5.4 Notification Procedure . 11
5.4.1 General . 11
5.4.2 Detailed Behaviour of the ProSe Function . 12
5.4.3 Detailed Behaviour of the HSS . 12
5.5 Reset . 13
5.5.1 General . 13
5.5.2 Detailed behaviour of the ProSe Function . 13
5.5.3 Detailed behaviour of the HSS . 14
5.6 Initial Location Information Retrieval . 14
5.6.1 General . 14
5.6.2 Detailed Behaviour of the ProSe Function . 15
5.6.3 Detailed Behaviour of the HSS . 15
6 Protocol Specification and Implementations . 16
6.1 Introduction . 16
6.1.1 Use of Diameter Base Protocol . 16
6.1.2 Securing Diameter Messages . 16
6.1.3 Accounting Functionality . 16
6.1.4 Use of Sessions . 16
6.1.5 Transport Protocol . 16
6.1.6 Routing Considerations . 16
6.1.7 Advertising Application Support . 17
6.1.8 Diameter Application Identifier . 17
6.1.9 Use of the Supported-Features AVP . 17
6.2 Commands . 17
6.2.1 Introduction. 17
6.2.2 Command-Code Values . 17
6.2.3 ProSe-Subscriber-Information-Request (PIR) Command . 18
6.2.4 ProSe-Subscriber-Information-Answer (PIA) Command . 18
6.2.5 Update-ProSe-Subscriber-Data-Request (UPR) Command . 19
6.2.6 Update-ProSe-Subscriber-Data-Answer (UPA) Command . 19
6.2.7 ProSe-Notify-Request (PNR) Command . 20
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3GPP TS 29.344 version 14.4.0 Release 14 4 ETSI TS 129 344 V14.4.0 (2019-10)
6.2.8 ProSe-Notify-Answer (PNA) Command . 20
6.2.9 Reset-Request (RSR) Command . 20
6.2.10 Reset-Answer (RSA) Command . 21
6.2.11 ProSe-Initial-Location-Information-Request (PSR) Command . 21
6.2.12 ProSe-Initial-Location-Information-Answer (PSA) Command . 21
6.3 AVPs . 22
6.3.1 General . 22
6.3.2 ProSe-Subscription-Data . 23
6.3.3 ProSe-Permission . 23
6.3.4 ProSe-Allowed-PLMN . 24
6.3.5 ProSe-Direct-Allowed . 24
6.3.6 UPR-Flags. 25
6.3.7 PNR-Flags. 25
6.3.8 Feature-List AVP for the PC4a application . 26
6.3.9 ProSe-Initial-Location-Information . 26
6.3.10 MME-Name . 27
6.3.11 OC-Supported-Features . 27
6.3.12 OC-OLR . 27
6.3.13 Authorized-Discovery-Range . 27
6.3.14 DRMP . 27
6.3.15 Load . 27
6.4 Result-Code AVP and Experimental-Result AVP Values . 27
6.4.1 General . 27
6.4.2 Success . 27
6.4.3 Permanent Failures . 27
6.4.3.1 General . 27
6.4.3.2 DIAMETER_ERROR_USER_UNKNOWN (5001) . 28
6.4.3.3 DIAMETER_ERROR_UNKNOWN_PROSE_SUBSCRIPTION (5610) . 28
6.4.3.4 DIAMETER_ERROR_ PROSE_NOT_ALLOWED (5611) . 28
6.4.3.5 DIAMETER_ERROR_ UE_LOCATION_UNKNOWN (5612) . 28
Annex A (normative): Diameter overload control mechanism . 29
A.1 General . 29
A.2 HSS behaviour . 29
A.3 ProSe Function behaviour . 29
Annex B (Informative): Diameter overload node behaviour . 30
B.1 Message prioritization . 30
Annex C (normative): Diameter message priority mechanism . 31
C.1 General . 31
C.2 PC4a interface . 31
C.2.1 General . 31
C.2.2 HSS and ProSe Function behaviour . 31
Annex D (normative): Diameter load control mechanism . 32
D.1 General . 32
D.2 HSS behaviour . 32
D.3 ProSe Function behaviour . 32
Annex E (informative): Change history . 33
History . 34

ETSI

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3GPP TS 29.344 version 14.4.0 Release 14 5 ETSI TS 129 344 V14.4.0 (2019-10)
Foreword
rd
This Technical Specification has been produced by the 3 Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following 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 TSG 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 document.
ETSI

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3GPP TS 29.344 version 14.4.0 Release 14 6 ETSI TS 129 344 V14.4.0 (2019-10)
1 Scope
The present document describes the Diameter-based PC4a interface between the Proximity-based Services (ProSe)
Function and the Home Subscriber Server (HSS) defined for ProSe.
This specification defines the Diameter application for PC4a reference point between the ProSe Function and the
HSS.The interactions between the ProSe Function and the HSS are specified.
The stage 2 description for Proximity-based Services (ProSe) features in EPS is specified in 3GPP TS 23.303 [2].
2 References
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] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[2] 3GPP TS 23.303: "Proximity based services; Stage 2".
[3] Void.
[4] 3GPP TS 33.210: "3G Security; Network Domain Security; IP Network Layer Security".
[5] IETF RFC 4960: "Stream Control Transmission Protocol".
[6] 3GPP TS 29.229: "Cx and Dx interfaces based on the Diameter protocol".
[7] 3GPP TS 23.003: "Numbering, addressing and identification".
[8] IETF RFC 5234: "Augmented BNF for Syntax Specifications: ABNF".
[9] 3GPP TS 29.228: "IP multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and
Message Elements".
[10] 3GPP TS 29.272: "Evolved Packet System; MME and SGSN Related Interfaces Based on
Diameter Protocol".
[11] 3GPP TS 23.007: "Restoration procedures".
[12] 3GPP TS 29.329: "Sh Interface based on the Diameter protocol".
[13] void
[14] 3GPP TS 29.173: "Location Services (LCS); Diameter-based SLh interface for Control Plane
LCS".
[15] IETF RFC 7683: "Diameter Overload Indication Conveyance".
[16] 3GPP TS 24.334: "Proximity-services (ProSe) User Equipment (UE) to ProSe function protocol
aspects; Stage 3".
[17] 3GPP TS 24.333: "Proximity-services (ProSe) Management Objects (MO); Stage 3".
[18] 3GPP TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting
packet based services and Packet Data Networks (PDN)".
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3GPP TS 29.344 version 14.4.0 Release 14 7 ETSI TS 129 344 V14.4.0 (2019-10)
[19] 3GPP TS 32.251: "Telecommunication management; Charging management; Packet Switched
(PS) domain charging".
[20] 3GPP TS 32.298: "Charging Management; CDR parameter description".
[21] IETF RFC 7944: "Diameter Routing Message Priority".
[22] IETF RFC 8583: "Diameter Load Information Conveyance".
[23] IETF RFC 6733: "Diameter Base Protocol".
3 Definitions, symbols and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in 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 TR 21.905 [1].
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].
DRMP Diameter Routing Message Priority
DSCP Differentiated Services Code Point
ProSe Proximity-based Services
4 General Description
4.1 Introduction
The PC4a reference point between the ProSe Function and the HSS is defined in the 3GPP TS 23.303 [2].
This document describes the PC4a interface related procedures, message parameters and protocol specifications.
The PC4a interface allows the ProSe Function to retrieve ProSe related subscription data in order to authorise access
from the UE for ProSe.
5 Procedure Descriptions
5.1 Introduction
This clause describes the Diameter-based PC4a interface related procedures and information elements exchanged
between the ProSe Function and the HSS.
In the tables that describe the Information Elements transported by each Diameter command, each Information Element
is marked as (M) Mandatory, (C) Conditional or (O) Optional in the "Cat." column. For the correct handling of the
Information Element according to the category type, see the description detailed in clause 6 of the 3GPP TS 29.228 [9].
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3GPP TS 29.344 version 14.4.0 Release 14 8 ETSI TS 129 344 V14.4.0 (2019-10)
5.2 ProSe Subscriber Information Retrieval
5.2.1 General
This procedure shall be used between the ProSe Function and the HSS for authorization of the UE for ProSe. The
procedure shall be invoked by the ProSe Function and is used:
- to request ProSe related subscription data.
This procedure is mapped to the commands ProSe-Subscriber-Information-Request/Answer (PIR/PIA) in the Diameter
application specified in clause 6. Tables 5.2.1-1 and 5.2.1-2 detail the involved information elements.
Table 5.2.1-1: ProSe Subscriber Information Retrieval Request
Information Element Mapping to Diameter Cat. Description
Name AVP
IMSI User-Name (See M This information element shall contain the user
IETF RFC 6733 [23]) IMSI, formatted according to 3GPP TS 23.003 [7],
clause 2.2.
Supported Features Supported-Features O If present, this information element shall contain
(See 3GPP TS 29.229 [6]) the list of features supported by the origin host.

Table 5.2.1-2: ProSe Subscriber Information Retrieval Answer
Information Element Mapping to Cat. Description
Name Diameter AVP
Result Result-Code / M This IE shall contain the result of the operation.
(See 6) Experimental- The Result-Code AVP shall be used to indicate success / errors
Result as defined in the Diameter base protocol (see
IETF RFC 6733 [23]).
The Experimental-Result AVP shall be used for PC4a errors.
This is a grouped AVP which shall contain the 3GPP Vendor ID
in the Vendor-Id AVP, and the error code in the Experimental-
Result-Code AVP.
The following errors are applicable:
- User Unknown
- Unknown ProSe Subscription
- ProSe Not Allowed
ProSe Subscription ProSe- C This information element shall contain the ProSe Subscription
Data Subscription-Data Data that gives the user permission to use ProSe.
(See 6.3.2)
MSISDN MSISDN C This information element shall contain the user MSISDN,
(See 3GPP TS 29.329 formatted according to 3GPP TS 29.329 [12]. It shall be present
[12]) if available.
Visited PLMN Id Visited-PLMN-Id C This IE shall contain the MCC and the MNC of the PLMN where
(See the UE is registered, see 3GPP TS 23.003 [7].
3GPP TS 29.272 [10]) It shall be present if the UE is roaming in a PLMN different from
the Home PLMN.
Supported Features Supported- O If present, this information element shall contain the list of
(See Features features supported by the origin host.
3GPP TS 29.229 [6])
Reset-IDs Reset-ID O The Reset-ID uniquely identifies a fallible resource in the HSS's
(See realm on which the user (IMSI) depends. In the event of a
3GPP TS 29.272 [10]) restart of the fallible resource a Reset message containing the
Reset-ID will exactly identify the impacted subscribers.

5.2.2 Detailed Behaviour of the ProSe Function
The ProSe Function shall make use of this procedure to request ProSe related subscription data.
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3GPP TS 29.344 version 14.4.0 Release 14 9 ETSI TS 129 344 V14.4.0 (2019-10)
If the ProSe Function retrieved the ProSe related subscription data, the ProSe Function shall perform the authorisation
for ProSe as described in the 3GPP TS 23.303 [2].
5.2.3 Detailed Behaviour of the HSS
When receiving a ProSe Subscriber Information Retrieval Request the HSS shall check if the IMSI for whom data is
requested exists in the HSS. If not, an Experimental-Result of DIAMETER_ERROR_USER_UNKNOWN shall be
returned.
If the IMSI exists but there is not any ProSe subscription data for the IMSI, the HSS shall return an Experimental-Result
of DIAMETER_ERROR_UNKNOW
...

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