1、 ETSI TS 123 214 V14.5.0 (2018-01) Universal Mobile Telecommunications System (UMTS); LTE; Architecture enhancements for control and user plane separation of EPC nodes (3GPP TS 23.214 version 14.5.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 123 214 V14.5.0 (2018-01)13GPP TS 23.214 version 14.
2、5.0 Release 14Reference RTS/TSGS-0223214ve50 Keywords LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 I
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9、)23GPP TS 23.214 version 14.5.0 Release 14Intellectual Property Rights Essential patents IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members,
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13、ention of those trademarks in the present document does not constitute an endorsement 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
14、may refer to technical specifications or reports using their 3GPP identities, UMTS 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.ets
15、i.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)
16、. “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 123 214 V14.5.0 (2018-01)33GPP TS 23.214 version 14.5.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g3
17、3 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 Architecture model and concepts . 8g34.1 General concepts 8g34.2 Architecture reference model . 8g34.2.1 Non-roaming and roaming architectures . 8g34.2.2 Combined SGW/PGW architecture 9g34.2.3 Reference points . 10g34.3
18、 High level functions . 10g34.3.1 General 10g34.3.2 Functional split of SGW, PGW and TDF . 13g34.3.2.1 Functional split of SGW 13g34.3.2.2 Functional split of PGW 15g34.3.2.3 Functional split of TDF . 18g34.3.3 User Plane Function selection . 20g34.3.4 SGW-C Partitioning 20g34.4 Network elements . 2
19、1g34.4.1 General 21g34.4.2 SGW control plane function . 21g34.4.3 SGW user plane function 21g34.4.4 PGW control plane function . 21g34.4.5 PGW user plane function 21g34.4.6 TDF control plane function . 22g34.4.7 TDF user plane function . 22g35 Functional description 22g35.1 General . 22g35.2 Traffic
20、 detection . 22g35.2.1 General 22g35.2.2 Traffic detection information 22g35.3 Charging and usage monitoring handling . 23g35.3.1 General 23g35.3.2 Activation of usage reporting in UP function . 24g35.3.3 Reporting of usage information towards CP function . 24g35.3.4 PGW Pause of Charging . 25g35.4
21、GTP-U IP address and TEIDu allocation . 25g35.4.1 General 25g35.4.2 F-TEIDu allocation / release in the CP function . 25g35.4.3 F-TEIDu allocation / release in the UP function . 26g35.5 UE IP address management (allocation, renewal and release) . 26g35.6 Control of user plane forwarding . 27g35.6.1
22、General 27g35.6.2 Control of user plane forwarding 27g35.6.3 Format of forwarded user plane data 28g35.7 UEs permanent identifier usage . 28g35.8 Functionality of sending of “end marker“ 28g35.8.1 UP function constructing the “end marker“ packets . 28g3ETSI ETSI TS 123 214 V14.5.0 (2018-01)43GPP TS
23、23.214 version 14.5.0 Release 145.8.2 CP function constructing the “end marker“ packets 29g35.9 Idle state packet SGW buffering function 29g35.9.1 General 29g35.9.2 Buffering in CP function . 29g35.9.3 Buffering in UP function 29g35.9.3.1 General 29g35.9.3.2 Delay Downlink Packet Notification 30g35.
24、9.3.3 Extended buffering 30g35.9.3.4 Throttling 30g35.10 Bearer and APN policing . 31g35.11 PCC/ADC related functions . 31g35.11.1 Activation/Deactivation of predefined PCC/ADC rules . 31g35.11.2 Enforcement of dynamic PCC/ADC rules 32g35.11.3 Redirection 32g35.11.4 Support of SDCI . 32g35.12 User P
25、lane function selection . 33g35.12.1 General 33g35.12.2 Selection of PGW-U . 33g35.12.3 Selection of SGW-U . 33g35.12.4 Selection of a combined SGW/PGW-U 34g35.12.5 Selection of TDF-U 34g35.12.5.1 Solicited application reporting mode 34g35.12.5.2 Unsolicited application reporting mode 34g36 Informat
26、ion flows . 35g36.1 General . 35g36.2 Sx Session Management Procedures 35g36.2.1 General 35g36.2.2 Sx Session Establishment Procedure 35g36.2.3 Sx Session Modification Procedure 36g36.2.4 Sx Session Termination Procedure . 37g36.3 Updates to procedures in other specifications 37g36.3.1 Updates to pr
27、ocedures specified in TS 23.401 37g36.3.1.2 Procedures with SGW change . 41g36.3.1.2.1 General 41g36.3.1.2.2 Type 1 41g36.3.1.2.3 Type 2 43g36.3.1.3 Procedures with eNB F-TEIDu update . 45g36.3.1.4 Procedures with release of eNB F-TEIDu . 46g36.3.1.5 Procedures when downlink data is buffered in the
28、UP function . 47g36.3.1.6 Procedures with release of PDN connection . 48g36.3.1.7 Procedures with modification of bearer 50g36.3.2 Updates to procedures specified in TS 23.203 52g36.3.2.1 IP-CAN session establishment 52g36.3.2.2 IP-CAN session termination 53g36.3.2.3 IP-CAN session modification 53g3
29、6.3.2.4 Management of PFDs 54g36.3.3 Updates to procedures specified in TS 23.402 55g36.3.3.1 Procedures with GTP based S2b establishment 55g36.3.3.2 Procedures with GTP based S2a establishment. 56g36.3.3.3 Procedures with GTP based S2b release . 57g36.3.3.4 Procedures with GTP based S2a release . 5
30、7g36.3.3.5 Procedures with dedicated bearer activation by PGW 58g36.3.3.6 Procedures with bearer deactivation by PGW . 59g36.3.3.7 Procedures with bearer modification . 59g36.3.3.8 Procedures with handover from non-3GPP access 60g36.3.3.9 Procedures with handover from 3GPP access . 62g36.3.4 Updates
31、 to procedures specified in TS 23.060 63g36.3.4.1 Procedures with PDN connection deactivation . 63g36.3.4.1.1 Procedures with SGSN terminating S4 interface . 63g36.3.4.1.2 Procedures with SGSN terminating Gn/Gp interface 66g36.3.4.2 Procedures with PDN connection modification 67g3ETSI ETSI TS 123 21
32、4 V14.5.0 (2018-01)53GPP TS 23.214 version 14.5.0 Release 146.3.4.3 Procedures with PDN connection establishment . 70g36.4 Sx Reporting Procedures 72g36.4.1 General 72g36.4.2 Sx Session Level Reporting Procedure . 72g36.5 Sx Management Procedures . 73g36.5.1 General 73g36.5.2 Sx PFD management Proce
33、dure . 73g36.5.3 Sx Association Setup Procedure . 73g36.5.4 Sx Association Update Procedure . 73g36.5.5 Sx Association Release Procedure 74g37 Parameters 74g37.1 Parameters for Sx session management 74g37.2 Session context . 74g37.3 Packet Detection Rule 75g37.4 Usage Reporting Rule 78g37.5 Forwardi
34、ng Action Rule . 79g37.6 QoS Enforcement Rule . 80g37.7 Usage Report generated by UP function 82g37.8 Functional description 84g37.8.1 General 84g37.8.2 PDN connection and TDF session level context . 84g37.8.3 Bearer related context . 84g37.8.4 Measurement key related context . 85g37.9 Parameters fo
35、r Sx management 85g37.9.1 Parameters for PFD management . 85g3Annex A (informative): Change history . 86g3History 87g3ETSI ETSI TS 123 214 V14.5.0 (2018-01)63GPP TS 23.214 version 14.5.0 Release 14Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP
36、). 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 numb
37、er 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, upd
38、ates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 123 214 V14.5.0 (2018-01)73GPP TS 23.214 version 14.5.0 Release 141 Scope The present document specifies the overall stage 2 level functionality for control and user plane sep
39、aration of EPCs SGW, PGW and TDF. This enables a flexible placement of the separated control plane and user planeg3functions for supporting diverse deployment scenarios (e.g. central or distributed user plane function) without affecting the overall functionality provided by these EPC entities. 2 Ref
40、erences 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
41、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 21.90
42、5: “Vocabulary for 3GPP Specifications“. 2 3GPP TS 23.401: “General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access“. 3 3GPP TS 23.203: “Policy and charging control architecture“. 4 3GPP TS 23.402: “Architecture enhancements for non-3G
43、PP accesses“. 5 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 6 3GPP TS 29.060: “GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface“. 7 3GPP TS 29.274: “3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol
44、 for Control plane (GTPv2-C); Stage 3“. 8 3GPP TS 32.251: “Telecommunication management; Charging management; Packet Switched (PS) domain charging“. 9 3GPP TS 32.240: “Charging architecture and principles“. 10 3GPP TS 33.107: “3G security; Lawful interception architecture and functions“. 11 3GPP TS
45、29.212: “Policy and Charging Control (PCC); Reference points“. 12 3GPP TS 29.244: “Interface between the Control Plane and the User Plane of EPC Nodes; Stage 3“. 3 Definitions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in TR 21.905 1,
46、TS 23.401 2, TS 23.203 3 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. F-TEID: as defined in clause 8.22 of TS 29.274 7. F-TEIDu: The F-TEID of a GTP-u tunnel. ETSI ETSI TS 123 214 V14.5.0 (2018-01)83GPP
47、 TS 23.214 version 14.5.0 Release 143.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1, TS 23.401 2, TS 23.203 3 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if
48、any, in TR 21.905 1. CP function Control Plane function PGW PDN Gateway PGW-C PDN Gateway Control plane function PGW-U PDN Gateway User plane function SGW Serving Gateway SGW-C Serving Gateway Control plane function SGW-U Serving Gateway User plane function TDF Traffic Detection Function TDF-C Traff
49、ic Detection Function Control plane function TDF-U Traffic Detection Function User plane function UP function User Plane function 4 Architecture model and concepts 4.1 General concepts The architecture and functionality for control and user plane separation of SGW, PGW and TDF is based on the following concepts: - Interworking with networks not applying control and user plane separation is possible (i.e. in case of roaming scenarios); - Split network entities can interwork with network entities that are not split within the same net
