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  ITU-T A.5 justification information for referenced document 3GPP TS 23.501 (Release 18) in draft X.1820
1. Clear description of the referenced document:
Name: 3GPP TS 23.501 (Release 18)
Title: 3GPP TS 23.501 V18.0.0 (2022), System architecture for the 5G System (5GS); Stage 2 (Release 18).
2. Status of approval:
Approved
3. Justification for the specific reference:
This Recommendation uses the following abbreviations from [3GPP TS 23.501]: PCF — policy control function; NEF — network exposure function; UDM — unified data management; NRF — network repository function; AMF — access and mobility management function; SMF — session management function; NSSF — network slice selection function; UPF — user plane function; UDM — unified data management.
4. Current information, if any, about IPR issues:
IPR information is available at https://www.3gpp.org/about-us/legal-matters/call-for-ipr.
5. Other useful information describing the "Quality" of the document:
3GPP TS 23.501 (Release 18) is published by 3GPP in 2022.
6. The degree of stability or maturity of the document:
3GPP TS 23.501 (Release 18) is published by 3GPP in 2022.
7. Relationship with other existing or emerging documents:
3GPP TS 23.501 (Release 18) is published by 3GPP in 2022.
8. Any explicit references within that referenced document should also be listed:
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications"./
[2] 3GPP TS 22.261: "Service requirements for next generation new services and markets; Stage 1"./
[3] 3GPP TS 23.502: "Procedures for the 5G System; Stage 2"./
[4] 3GPP TS 23.203: "Policies and Charging control architecture; Stage 2"./
[5] 3GPP TS 23.040: "Technical realization of the Short Message Service (SMS); Stage 2"./
[6] 3GPP TS 24.011: "Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface: Stage 3"./
[7] IETF RFC 7157: "IPv6 Multihoming without Network Address Translation"./
[8] IETF RFC 4191: "Default Router Preferences and More-Specific Routes"./
[9] IETF RFC 2131: "Dynamic Host Configuration Protocol"./
[10] IETF RFC 4862: "IPv6 Stateless Address Autoconfiguration"./
[11] ITU-T Recommendation I.130: "Method for the characterization of telecommunication services supported by an ISDN and network capabilities of an ISDN"./
[12] ITU-T Recommendation Q.65: "The unified functional methodology for the characterization of services and network capabilities"./
[13] 3GPP TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS): Stage 3"./
[14] IETF RFC 3736: "Stateless DHCP Service for IPv6"./
[15] 3GPP TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2"./
[16] 3GPP TS 22.173: "IMS Multimedia Telephony Service and supplementary services; Stage 1"./
[17] 3GPP TS 23.122: "Non-Access-Stratum (NAS) functions related to Mobile Station in idle mode"./
[18] 3GPP TS 23.167: "3rd Generation Partnership Project; Technical Specification Group Services and Systems Aspects; IP Multimedia Subsystem (IMS) emergency sessions"./
[19] 3GPP TS 23.003: "Numbering, Addressing and Identification"./
[20] IETF RFC 7542: "The Network Access Identifier"./
[21] 3GPP TS 23.002: "Network Architecture"./
[22] 3GPP TS 23.335: "User Data Convergence (UDC); Technical realization and information flows; Stage 2"./
[23] 3GPP TS 23.221: "Architectural requirements"./
[24] 3GPP TS 22.153: "Multimedia priority service"./
[25] 3GPP TS 22.011: "Service Accessibility"./
[26] 3GPP TS 23.401: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access"./
[27] 3GPP TS 38.300: "NR; NR and NG-RAN Overall Description"./
[28] 3GPP TS 38.331: "NR; Radio Resource Control (RRC); Protocol Specification"./
[29] 3GPP TS 33.501: "Security architecture and procedures for 5G system"./
[30] 3GPP TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2"./
[31] 3GPP TS 37.340: "Evolved Universal Terrestrial Radio Access (E-UTRA) and NR; Multi-connectivity; Stage 2"./
[32] 3GPP TS 23.214: "Architecture enhancements for control and user plane separation of EPC nodes; Stage 2"./
[33] 3GPP TS 22.101: "3rd Generation Partnership Project; Technical Specification Group Services and Systems Aspects; Service aspects; Service principles"./
[34] 3GPP TS 38.413: "NG-RAN; NG Application Protocol (NGAP)"./
[35] 3GPP TS 33.126: "Lawful Interception Requirements"./
[36] 3GPP TS 23.682: "Architecture enhancements to facilitate communications with packet data networks and applications"./
[37] 3GPP TS 22.280: "Mission Critical Services Common Requirements (MCCoRe); Stage 1"./
[38] 3GPP TS 23.379: "Functional architecture and information flows to support Mission Critical Push To Talk (MCPTT); Stage 2"./
[39] 3GPP TS 23.281: "Functional architecture and information flows to support Mission Critical Video (MCVideo); Stage 2"./
[40] 3GPP TS 23.282: "Functional architecture and information flows to support Mission Critical Data (MCData); Stage 2"./
[41] 3GPP TS 32.240: "Charging management; Charging architecture and principles"./
[42] 3GPP TS 38.401: "NG-RAN Architecture description"./
[43] 3GPP TS 23.402: "Architecture enhancements for non-3GPP accesses"./
[44] IETF RFC 4960: "Stream Control Transmission Protocol"./
[45] 3GPP TS 23.503: "Policy and Charging Control Framework for the 5G System"./
[46] 3GPP TS 23.041: "Public Warning System"./
[47] 3GPP TS 24.501: "Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3"./
[48] 3GPP TS 24.502: "Access to the 5G System (5GS) via non-3GPP access networks; Stage 3"./
[49] 3GPP TS 29.500: "5G System; Technical Realization of Service Based Architecture; Stage 3"./
[50] 3GPP TS 38.304: "NR; User Equipment (UE) procedures in idle mode"./
[51] 3GPP TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification"./
[52] 3GPP TS 36.304: "Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) procedures in idle mode"./
[53] Void./
[54] IETF RFC 4861: "Neighbor Discovery for IP version 6 (IPv6)"./
[55] 3GPP TS 23.271: "Functional stage 2 description of Location Services (LCS)"./
[56] 3GPP TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2"./
[57] IETF RFC 4555: "IKEv2 Mobility and Multihoming Protocol (MOBIKE)"./
[58] 3GPP TS 29.510: "5G System: Network function repository services; Stage 3"./
[59] 3GPP TS 29.502: "5G System: Session Management Services: Stage 3"./
[60] IETF RFC 7296: "Internet Key Exchange Protocol Version 2 (IKEv2) "./
[61] 3GPP TS 23.380: "IMS Restoration Procedures"./
[62] 3GPP TS 24.229: "IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3"./
[63] 3GPP TS 23.292: "IP Multimedia Subsystem (IMS) centralized services; Stage 2"./
[64] 3GPP TS 23.222: "Functional architecture and information flows to support Common API Framework for 3GPP Northbound APIs"./
[65] 3GPP TS 29.244: "Interface between the Control Plane and the User Plane Nodes; Stage 3"./
[66] 3GPP TS 32.421: "Telecommunication management; Subscriber and equipment trace; Trace concepts and requirements"./
[67] 3GPP TS 32.290: "5G system; Services, operations and procedures of charging using Service Based Interface (SBI)"./
[68] 3GPP TS 32.255: "5G Data connectivity domain charging; Stage 2"./
[69] 3GPP TS 38.306: "NR; User Equipment -UE) radio access capabilities"./
[70] 3GPP TS 36.306: "Evolved Universal Terrestrial Radio Access -E-UTRA); User Equipment -UE) radio access capabilities"./
[71] 3GPP TS 29.518: "5G System; Access and Mobility Management Services; Stage 3"./
[72] 3GPP TS 23.285: "Architecture enhancements for V2X services"./
[73] IETF RFC 2865: "Remote Authentication Dial In User Service (RADIUS)"./
[74] IETF RFC 3162: "RADIUS and IPv6"./
[75] 3GPP TS 29.281: "General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)"./
[76] 3GPP TS 26.238: "Uplink streaming"./
[77] 3GPP TR 26.939: "Guidelines on the Framework for Live Uplink Streaming (FLUS)"./
[78] International Telecommunication Union (ITU), Standardization Bureau (TSB): "Operational Bulletin No. 1156"; http://handle.itu.int/11.1002/pub/810cad63-en (retrieved October 5, 2018)./
[79] 3GPP TS 28.533: "Management and orchestration; Architecture framework"./
[80] 3GPP TS 24.250: "Protocol for Reliable Data Service; Stage 3"./
[81] IETF RFC 8684: "TCP Extensions for Multipath Operation with Multiple Addresses"./
[82] IETF RFC 8803: "0-RTT TCP Convert Protocol"./
[83] IEEE Std 802.1CB-2017: "IEEE Standard for Local and metropolitan area networks-Frame Replication and Elimination for Reliability"./
[84] 3GPP TS 23.316: "Wireless and wireline convergence access support for the 5G System (5GS)"./
[85] WiFi Alliance Technical Committee, Hotspot 2.0 Technical Task Group: "Hotspot 2.0 (Release 2) Technical Specification"./
[86] 3GPP TS 23.288: "Architecture enhancements for 5G System (5GS) to support network data analytics services"./
[87] 3GPP TS 23.273: "5G System (5GS) Location Services (LCS); Stage 2"./
[88] 3GPP TS 23.216: "Single Radio Voice Call Continuity (SRVCC); Stage 2"./
[89] CableLabs DOCSIS MULPI: "Data-Over-Cable Service Interface Specifications DOCSIS 3.1, MAC and Upper Layer Protocols Interface Specification"./
[90] BBF TR-124 issue 5: "Functional Requirements for Broadband Residential Gateway Devices"./
[91] BBF TR-101 issue 2: "Migration to Ethernet-Based Broadband Aggregation"./
[92] BBF TR-178 issue 1: "Multi-service Broadband Network Architecture and Nodal Requirements"./
[93] BBF TR-456 issue 1: "AGF Functional Requirements"./
[94] BBF WT-457: "FMIF Functional Requirements"./
Editor's note: The reference to BBF WT-457 will be revised when finalized by BBF./
[95] IEEE Std 802.1Qcc-2018: "IEEE Standard for Local and metropolitan area networks - Bridges and Bridged Networks - Amendment: Stream Reservation Protocol (SRP) Enhancements and Performance Improvements"./
[96] Void./
[97] IEEE Std 802.1AB-2016: "IEEE Standard for Local and metropolitan area networks -- Station and Media Access Control Connectivity Discovery"./
[98] IEEE Std 802.1Q-2018: "IEEE Standard for Local and metropolitan area networks--Bridges and Bridged Networks"./
[99] 3GPP TS 38.423: "NG-RAN; Xn Application Protocol (XnAP)"./
[100] 3GPP TS 36.413: "Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 Application Protocol (S1AP)"./
[101] 3GPP TS 29.274: "Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3"./
[102] 3GPP TS 23.632: "User Data Interworking, Coexistence and Migration; stage 2"./
[103] 3GPP TS 29.563: "5G System (5GS); HSS services for interworking with UDM; Stage 3"./
[104] IEEE Std 802.1AS-2020: "IEEE Standard for Local and metropolitan area networks--Timing and Synchronization for Time-Sensitive Applications"./
[105] 3GPP TS 22.104: "Service requirements for cyber-physical control applications in vertical domains"./
[106] IEEE Std 802.11-2012: "IEEE Standard for Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications"./
[107] IEEE Std 1588-2008: "IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems"./
[108] 3GPP TS 28.552: "Management and orchestration; 5G performance measurements"./
[109] 3GPP TS 24.193: "Access Traffic Steering, Switching and Splitting; Stage 3"./
[110] 3GPP TS 24.526: "User Equipment (UE) policies for 5G System (5GS); Stage 3"./
[111] 3GPP TS 22.186: "Enhancement of 3GPP support for V2X scenarios; Stage 1"./
[112] 3GPP TR 38.824: "Study on physical layer enhancements for NR ultra-reliable and low latency case (URLLC)"./
[113] IEEE: "Guidelines for Use of Extended Unique Identifier (EUI), Organizationally Unique Identifier (OUI), and Company ID (CID)", https://standards.ieee.org/content/dam/ieee-standards/standards/web/documents/tutorials/eui.pdf./
[114] 3GPP TS 32.256: "Charging Management; 5G connection and mobility domain charging; Stage 2"./
[115] 3GPP TS 33.210: "Network Domain Security (NDS); IP network layer security"./
[116] 3GPP TS 38.415: "PDU Session User Plane Protocol"./
[117] 3GPP TS 24.535: "Device-side Time-Sensitive Networking (TSN) Translator (DS-TT) to network-side TSN Translator (NW-TT) protocol aspects; Stage 3"./
[118] 3GPP TS 32.274: "Charging Management; Short Message Service (SMS) charging"./
[119] 3GPP TS 23.008: "Organization of subscriber data"./
[120] 3GPP TS 38.314: "NR; Layer 2 measurements"./
[121] 3GPP TS 23.287: "Architecture enhancements for 5G System (5GS) to support Vehicle-to-Everything (V2X) services"./
[122] 3GPP TS 29.503: "5G System; Unified Data Management Services; Stage 3"./
[123] 3GPP TS 32.254: "Charging management; Exposure function Northbound Application Program Interfaces (APIs) charging"./
[124] 3GPP TS 33.535: "Authentication and Key Management for Applications based on 3GPP credentials in the 5G System (5GS)"./
[125] 3GPP TS 38.410: "NG-RAN; NG general aspects and principles"./
[126] IEEE Std 1588: "IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems", Edition 2019./
[127] ST 2059-2:2015: "SMPTE Standard - SMPTE Profile for Use of IEEE-1588 Precision Time Protocol in Professional Broadcast Applications"./
[128] 3GPP TS 23.304: "Proximity based Services (ProSe) in the 5G System (5GS)"./
[129] 3GPP TS 23.247: "Architectural enhancements for 5G multicast-broadcast services"./
[130] 3GPP TS 23.548 "5G System Enhancements for Edge Computing; Stage 2"./
[131] IEEE Std 802.3: "Ethernet"./
[132] 3GPP TS 29.561: "5G System; Interworking between 5G Network and external Data Networks; Stage 3"./
[133] 3GPP TS 29.513: "Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3"./
[134] 3GPP TS 23.558: "Architecture for enabling Edge Applications (EA)"./
[135] 3GPP TS 26.501: "5G Media Streaming (5GMS); General description and architecture"./
[136] 3GPP TS 23.256 "Support of Uncrewed Aerial Systems (UAS) connectivity, identification and tracking; Stage 2"./
[137] GSMA NG.116: "Generic Network Slice Template"./
[138] IETF RFC 3948: "UDP Encapsulation of IPsec ESP Packets"./
[139] 3GPP TS 24.539: "5G System (5GS); Network to TSN translator (TT) protocol aspects; Stage 3"./
[140] 3GPP TS 33.220: "Generic Authentication Architecture (GAA); Generic bootstrapping architecture"./
[141] 3GPP TS 33.223: "Generic Authentication Architecture (GAA); Generic Bootstrapping Architecture (GBA) Push function".
9. Qualification of 3GPP:
The qualification analysis of TSDSI with a goal to allow the ITU-T A.5 qualification for 3GPP was requested by SG15 in the January/February 2020 meeting (see TD527/P, https://www.itu.int/md/meetingdoc.asp?lang=en&parent=T17-SG15-200127-TD-PLEN-0527). This is based on the section 7.3 of the ITU-T A.5 (09/2019) which states that "For the case of a proposed referenced document jointly owned by multiple organizations in a partnership project that is not a legal entity, the partnership project is considered to be qualified according to the criteria in Annex B if each organization is itself qualified according to the criteria in Annex B". The only 3GPP partner not previously A.5 qualified was TSDSI.
Based on the information available at the time of the SG15 plenary on 18 September 2020 (see TD635/P,https://www.itu.int/md/meetingdoc.asp?lang=en&parent=T17-SG15-200907-TD-PLEN-0635), SG15 approved the A.5 qualification for TSDSI, and by extension, SG15 also approved the A.5 qualification for 3GPP, as reported in SG15-R24 (https://www.itu.int/md/T17-SG15-R-0024/en).
10. Other (for any supplementary information):
None.
Note: This form is based on Recommendation ITU-T A.5