ETSI TS 124 548 V19.2.0 (2026-03)

5G; Network Resource Management - Service Enabler Architecture Layer for Verticals (SEAL); Protocol specification (3GPP TS 24.548 version 19.2.0 Release 19)

RTS/TSGC-0124548vj20

General Information

• Status: Not Published
• Technical Committee: 3GPP CT 1 - MM/CC/SM [lu] (formely CN1)
• Current Stage: 8 - Draft receipt by ETSI Secretariat
• Completion Date: 10-Mar-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
Network Resource Management - Service Enabler Architecture
Layer for Verticals (SEAL);
Protocol specification
(3GPP TS 24.548 version 19.2.0 Release 19)

3GPP TS 24.548 version 19.2.0 Release 19 1 ETSI TS 124 548 V19.2.0 (2026-03)

Reference
RTS/TSGC-0124548vj20
Keywords
5G
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ETSI
3GPP TS 24.548 version 19.2.0 Release 19 2 ETSI TS 124 548 V19.2.0 (2026-03)
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ETSI
3GPP TS 24.548 version 19.2.0 Release 19 3 ETSI TS 124 548 V19.2.0 (2026-03)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 9
1 Scope . 11
2 References . 11
3 Definitions of terms and abbreviations. 12
3.1 Terms . 12
3.2 Abbreviations . 13
4 General description. 13
5 Functional entities . 13
5.1 SEAL network resource management client (SNRM-C) . 13
5.2 SEAL network resource management SEAL server (SNRM-S) . 14
6 Network resource management procedures . 15
6.1 General . 15
6.2 On-network procedures . 15
6.2.1 General . 15
6.2.1.1 Authenticated identity in HTTP request . 15
6.2.1.2 Authenticated identity in CoAP request . 15
6.2.2 Unicast resource management . 15
6.2.2.1 General . 15
6.2.2.2 Request for unicast resource at VAL service communication establishment procedure with SIP
core . 16
6.2.2.2.1 VAL server procedure . 16
6.2.2.2.2 Server procedure . 16
6.2.2.3 Request for modification of unicast resources procedure with SIP core . 17
6.2.2.3.1 VAL server procedure . 17
6.2.2.3.2 Server procedure . 17
6.2.2.4 Network resource adaptation procedure with SIP core . 18
6.2.2.4.1 VAL server procedure . 18
6.2.2.4.2 Server procedure . 19
6.2.3 Multicast resource management . 19
6.2.3.1 General . 19
6.2.3.2 Use of pre-established MBMS bearers procedure . 19
6.2.3.2.1 VAL server procedure . 19
6.2.3.2.2 SNRM server HTTP procedure . 20
6.2.3.2.3 SNRM client HTTP procedure . 22
6.2.3.2.4 SNRM server CoAP procedure . 22
6.2.3.2.5 SNRM client CoAP procedure . 24
6.2.3.3 MBMS bearer announcement over MBMS bearer procedure . 24
6.2.3.3.1 General . 24
6.2.3.3.2 SNRM server SIP and HTTP procedures . 24
6.2.3.3.3 SNRM client SIP and HTTP procedures . 26
6.2.3.3.4 SNRM Server CoAP procedures . 27
6.2.3.3.5 SNRM Client CoAP procedures . 28
6.2.3.4 MBMS bearer quality detection procedure . 29
6.2.3.4.1 SNRM client SIP and HTTP procedures . 29
6.2.3.4.2 SNRM server SIP and HTTP procedure . 30
6.2.3.4.3 SNRM client CoAP procedure . 31
6.2.3.4.4 SNRM server CoAP procedure . 31
6.2.3.5 Service continuity in MBMS scenarios . 32
6.2.3.5.1 SNRM client procedures . 32
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6.2.3.5.2 SNRM server HTTP procedure . 32
6.2.3.5.3 SNRM server CoAP procedure . 33
6.2.3.6 MBMS suspension notification procedure . 34
6.2.3.6.1 SNRM client HTTP procedure . 34
6.2.3.6.2 SNRM server HTTP procedure . 34
6.2.3.6.3 SNRM client CoAP procedure . 35
6.2.3.6.4 SNRM server CoAP procedure . 35
6.2.3.7 MBMS bearer event notification procedure . 36
6.2.3.7.1 SNRM server procedure . 36
6.2.3.8 Switching between MBMS bearer and unicast bearer procedure . 36
6.2.3.8.1 SNRM client HTTP and CoAP procedure . 36
6.2.3.8.2 SNRM server HTTP and CoAP procedure . 36
6.2.3.9 Use of dynamic MBMS bearers procedure . 36
6.2.3.9.1 VAL server procedure . 36
6.2.3.9.2 SNRM server HTTP and CoAP procedures . 36
6.2.3.9.3 SNRM client HTTP and CoAP procedures . 37
6.2.3.10 MBS session creation and MBS session announcement procedure . 37
6.2.3.10.1 General . 37
6.2.3.10.2 SNRM server SIP and HTTP procedures . 37
6.2.3.10.3 SNRM client SIP and HTTP procedures . 39
6.2.3.10.4 SNRM server CoAP procedure . 41
6.2.3.10.5 SNRM client CoAP procedure . 42
6.2.3.10.6 Generate MBS session announcement message in XML . 43
6.2.3.10.7 VAL server procedure . 43
6.2.3.11 MBS listening status report procedure . 44
6.2.3.11.1 Generate MBS listening status reporting message in XML . 44
6.2.3.11.2 SNRM server SIP and HTTP procedures . 44
6.2.3.11.3 SNRM client SIP and HTTP procedures . 45
6.2.3.11.4 SNRM server CoAP procedure . 46
6.2.3.11.5 SNRM client CoAP procedure . 46
6.2.3.12 MBS UE session join notification procedure . 47
6.2.3.12.1 SNRM server SIP and HTTP procedures . 47
6.2.3.12.2 SNRM client SIP and HTTP procedures . 48
6.2.3.13 Application coordinated UE-to-UE communication requirements management procedure . 49
6.2.3.13.1 General . 49
6.2.3.13.2 Application coordinated connectivity initiation procedure . 49
6.2.3.13.3 Application coordinated connectivity notification procedure . 50
6.2.3.13.4 Application connectivity context fetch procedure . 51
6.2.3.13.5 Mobile meta service connectivity procedure . 52
6.2.3.14 VAL service group media transmissions over 5G MBS sessions procedure . 55
6.2.3.15 Application level control signalling over 5G MBS sessions procedure . 55
6.2.3.16 Service continuity between 5G MBS delivery and unicast delivery procedure . 55
6.2.3.17 VAL service inter-system switching between 5G and LTE procedure . 55
6.2.4 Network assisted UE-to-UE communications resource management . 56
6.2.4.1 General . 56
6.2.4.2 Network assisted QoS management initiation . 56
6.2.4.2.1 SNRM client HTTP procedure . 56
6.2.4.2.2 SNRM server HTTP procedure . 57
6.2.4.2.3 SNRM client CoAP procedure . 57
6.2.4.2.4 SNRM server CoAP procedure . 58
6.2.4.3 Network assisted QoS management provisioning . 58
6.2.4.3.1 SNRM client HTTP procedure . 58
6.2.4.3.2 SNRM server HTTP procedure . 58
6.2.4.3.3 SNRM client CoAP procedure . 59
6.2.4.3.4 SNRM server CoAP procedure . 59
6.2.6 Satellite S&F events information . 60
6.2.6.1 General . 60
6.2.6.2 S&F event subscription procedure . 60
6.2.6.2.1 SNRM client HTTP procedure . 60
6.2.6.2.2 SNRM server HTTP procedure . 60
6.2.6.2.3 SNRM client CoAP procedure . 61
6.2.6.2.4 SNRM server CoAP procedure . 61
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6.2.6.3 S&F event reporting subscription notification procedure . 62
6.2.6.3.1 SNRM client HTTP procedure . 62
6.2.6.3.2 SNRM server HTTP procedure . 62
6.2.6.3.3 SNRM client CoAP procedure . 62
6.2.6.3.4 SNRM server CoAP procedure . 63
6.2.6.4 S&F event reporting unsubscription procedure . 63
6.2.6.4.1 SNRM server HTTP procedure . 63
6.2.6.4.2 SNRM client HTTP procedure . 63
6.2.6.4.3 SNRM server CoAP procedure . 64
6.2.6.4.4 SNRM client CoAP procedure . 64
6.2.6.5 On-demand S&F event reporting procedure . 64
6.2.6.5.1 SNRM client HTTP procedure . 64
6.2.6.5.2 SNRM server HTTP procedure . 65
6.2.6.5.3 SNRM client CoAP procedure . 65
6.2.6.5.4 SNRM server CoAP procedure . 65
6.2.6.6 S&F event configuration procedure . 66
6.2.6.6.1 SNRM server HTTP procedure . 66
6.2.6.6.2 SNRM client HTTP procedure . 66
6.2.6.6.3 SNRM server CoAP procedure . 66
6.2.6.6.4 SNRM client CoAP procedure . 67
6.3 Off-network procedures . 67
7 Coding . 67
7.1 General . 67
7.2 Application unique ID . 67
7.3 Structure . 67
7.3.1 VALInfo document . 67
7.3.2 UnicastInfo document . 67
7.3.3 MBMSInfo document . 68
7.3.4 NetworkQoSManagementInfo document . 70
7.3.5 Application communication requirements info document . 70
7.3.6 SEAL MBS Usage Info document . 72
7.3.7 SEAL application satellite S&F events Info document . 74
7.4 XML schema . 75
7.4.1 General . 75
7.4.2 XML schema for application/vnd.3gpp.seal-info+xml . 75
7.4.3 XML schema for application/vnd.3gpp.seal-unicast-info+xml . 75
7.4.4 XML schema for application/vnd.3gpp.seal-mbms-usage-info+xml. 76
7.4.5 XML schema for application/vnd.3gpp.seal-network-QoS-management-info+xml . 78
7.4.6 XML schema for application/vnd.3gpp.seal-app-comm-requirements-info+xml . 79
7.4.7 XML schema for application/vnd.3gpp.seal-mbs-usage-info+xml . 83
7.4.8 XML schema for application/vnd.3gpp.seal-store-forward-events-info+xml. 85
7.5 Data se ma ntic s . 87
7.5.1 VALInfo document . 87
7.5.2 UnicastInfo document . 87
7.5.3 MBMSInfo document . 88
7.5.4 NetworkQoSManagementInfo document . 90
7.5.5 ApplicationCommunicationRequirementsInfo document. 91
7.5.6 SEALMBSUsageInfo document . 93
7.5.7 SEALSatelliteS&FEventsInfo document . 94
7.6 MIME types. 96
7.7 IANA registration template . 96
7.7.1 IANA registration template for VALInfo . 97
7.7.2 IANA registration template for UnicastInfo . 98
7.7.3 IANA registration template for MBMSInfo . 100
7.7.4 IANA registration template for NetworkQoSManagementInfo . 101
7.7.5 IANA registration template for ApplicationCommunicationRequirementsInfo . 103
7.7.6 IANA registration template for SEALMBSUsageInfo . 104
7.7.7 IANA registration template for SEALSatelliteS&FEventsInfo . 106
Annex A (normative): CoAP resource representation and encoding . 108
A.1 General . 108
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A.2 Resource representation and APIs for QoS session . 108
A.2.1 SU_QosSessionManagement API . 108
A.2.1.1 API URI . 108
A.2.1.2 Resources . 108
A.2.1.2.1 Overview . 108
A.2.1.2.2 Resource: QoS Sessions . 109
A.2.1.2.2.1 Description . 109
A.2.1.2.2.2 Resource Definition . 109
A.2.1.2.2.3 Resource Standard Methods . 109
A.2.1.2.3 Resource: Individual QoS Session . 111
A.2.1.2.3.1 Description . 111
A.2.1.2.3.2 Resource Definition . 111
A.2.1.2.3.3 Resource Standard Methods . 111
A.2.1.2.4 Resource: Individual QoS Session Participant . 113
A.2.1.2.4.1 Description . 113
A.2.1.2.4.2 Resource Definition . 113
A.2.1.2.4.3 Resource Standard Methods . 113
A.2.1.3 Data Model . 114
A.2.1.3.1 General . 114
A.2.1.3.2 Structured data types . 115
A.2.1.3.2.1 Introduction . 115
A.2.1.3.2.2 Type: QosSession . 115
A.2.1.3.2.3 Type: SessionParticipant . 115
A.2.1.3.2.4 Type: ParticipantState . 116
A.2.1.4 Error Handling . 116
A.2.1.5 CDDL Specification . 116
A.2.1.5.1 Introduction . 116
A.2.1.5.2 CDDL document . 116
A.2.1.6 Media Types . 117
A.2.1.7 Void . 117
A.2.1.8 Void . 117
A.3 Resource representation and APIs for MBMS resource configuration and monitoring . 117
A.3.1 SU_MbmsResourceManagement API provided by SNRM-C . 117
A.3.1.1 API URI . 117
A.3.1.2 Resources . 118
A.3.1.2.1 Overview . 118
A.3.1.2.2 Resource: MBMS Resource Configuration . 119
A.3.1.2.2.1 Description . 119
A.3.1.2.2.2 Resource Definition . 119
A.3.1.2.2.3 Resource Standard Methods . 119
A.3.1.2.3 Resource: MBMS Resource State . 120
A.3.1.2.3.1 Description . 120
A.3.1.2.3.2 Resource Definition . 120
A.3.1.2.3.3 Resource Standard Methods . 120
A.3.1.3 Data Model . 121
A.3.1.3.1 General . 121
A.3.1.3.2 Structured data types . 122
A.3.1.3.2.1 Type: MbmsResourceConfig . 122
A.3.1.3.2.2 Type: MbmsResourceMonitoringConfig . 122
A.3.1.3.2.3 Type: MbmsResourceState . 123
A.3.1.4 Error Handling . 123
A.3.1.5 CDDL Specification . 123
A.3.1.5.1 Introduction . 123
A.3.1.5.2 CDDL document . 123
A.3.1.6 Media Types . 124
A.3.1.7 Void . 124
A.3.1.8 Void . 124
A.3.2 SU_MbsResourceManagement API provided by SNRM-C . 124
A.3.2.1 API URI . 124
A.3.2.2 Resources . 125
A.3.2.2.1 Overview . 125
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A.3.2.2.2 Resource: MBS resource configuration . 126
A.3.2.2.2.1 Description . 126
A.3.2.2.2.2 Resource Definition . 126
A.3.2.2.2.3 Resource Standard Methods . 126
A.3.2.2.3 Resource: MBS resource state. 127
A.3.2.2.3.1 Description . 127
A.3.2.2.3.2 Resource Definition . 127
A.3.2.2.3.3 Resource Standard Methods . 127
A.3.2.3 Data Model . 128
A.3.2.3.1 General . 128
A.3.2.3.2 Structured data types . 129
A.3.2.3.2.1 Type: MbsResourceConfig . 129
A.3.2.3.2.2 Type: MbsResourceMonitoringConfig . 129
A.3.2.3.2.3 Type: MbsResourceState . 130
A.3.2.3.2.4 Type: MbsSessionId . 130
A.3.2.3.3 Simple data types and enumerations . 130
A.3.2.3.3.1 Enumeration: DeliveryMode . 130
A.3.2.4 Error Handling .
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