ETSI TS 123 214-2017 Universal Mobile Telecommunications System (UMTS) LTE Architecture enhancements for control and user plane separation of EPC nodes (V14 4 0 3GPP TS 23 214 vers.pdf

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1、 ETSI TS 123 214 V14.2.0 (2017-05) Universal Mobile Telecommunications System (UMTS); LTE; Architecture enhancements for control and user plane separation of EPC nodes (3GPP TS 23.214 version 14.2.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 123 214 V14.2.0 (2017-05)13GPP TS 23.214 version 14.

2、2.0 Release 14Reference DTS/TSGS-0223214ve20 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

3、mportant notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without the prior writ

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5、t should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comment to one of t

6、he following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. The content of t

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8、ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. oneM2M logo is protected for the benefit of its Members GSM and the GSM logo are Trade Marks registered and owned by the GSM Assoc

9、iation. ETSI ETSI TS 123 214 V14.2.0 (2017-05)23GPP TS 23.214 version 14.2.0 Release 14Intellectual Property Rights 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 ET

10、SI 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:/i

11、pr.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

12、 to the present document. 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 identities or GSM identities. These should be interpreted

13、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“, “shall not“, “should“, “should not“, “may“, “need not“, “wi

14、ll“, “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 ETSI TS 123 214 V14.2.0 (2017-05)33GPP

15、 TS 23.214 version 14.2.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 6g31 Scope 7g32 References 7g33 Definitions and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 8g34 Architecture model and concepts . 8g34.1 General concepts 8g

16、34.2 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 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 Fu

17、nctional 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 . 21g34.4.1 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 PG

18、W 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 detection . 22g35.2.1 General 22g35.2.2 Traffic detection information 22g35.3 Charging and usage monitoring handling . 23g35.3.1 General 23g

19、35.3.2 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 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 alloc

20、ation / 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 General 27g35.6.2 Control of user plane forwarding 27g35.6.3 Format of forwarded user plane data 28g35.7 UEs permanent identifier usage . 28g

21、35.8 Functionality of sending of “end marker“ 28g35.8.1 UP function constructing the “end marker“ packets . 28g3ETSI ETSI TS 123 214 V14.2.0 (2017-05)43GPP TS 23.214 version 14.2.0 Release 145.8.2 CP function constructing the “end marker“ packets 29g35.9 Idle state packet SGW buffering function 29g3

22、5.9.1 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 30g35.9.3.3 Extended buffering 30g35.9.3.4 Throttling 30g35.10 Bearer and APN policing . 31g35.11 PCC/ADC related functions . 31g35.11.1 Activation

23、/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 Plane 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 combin

24、ed 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 Information flows . 35g36.1 General . 35g36.2 Sx Session Management Procedures 35g36.2.1 General 35g36.2.2 Sx Session Establishment Procedure 35g36.2

25、.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 procedures specified in TS 23.401 2 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 43

26、g36.3.1.3 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 UP function . 47g36.3.1.6 Procedures with release of PDN connection . 48g36.3.1.7 Procedures with modification of bearer 49g36.3.2 Updates

27、to procedures specified in TS 23.203 3 51g36.3.2.1 IP-CAN session establishment 51g36.3.2.2 IP-CAN session termination 52g36.3.2.3 IP-CAN session modification 52g36.3.2.4 Management of PFDs 53g36.3.3 Updates to procedures specified in TS 23.402 4 54g36.3.3.1 Procedures with GTP based S2b establishme

28、nt 54g36.3.3.2 Procedures with GTP based S2a establishment. 55g36.3.3.3 Procedures with GTP based S2b release . 56g36.3.3.4 Procedures with GTP based S2a release . 56g36.3.3.5 Procedures with dedicated bearer activation by PGW-C 57g36.3.3.6 Procedures with bearer deactivation by PGW-C . 58g36.3.3.7

29、Procedures with bearer modification . 58g36.3.3.8 Procedures with handover from non-3GPP access 59g36.3.3.9 Procedures with handover from 3GPP access . 61g36.3.4 Updates to procedures specified in TS 23.060 5 62g36.3.4.1 Procedures with PDP context deletion 62g36.3.4.2 Procedures with PDP context up

30、date 64g36.3.4.3 Procedures with PDP context creation 65g36.4 Sx Reporting Procedures 67g3ETSI ETSI TS 123 214 V14.2.0 (2017-05)53GPP TS 23.214 version 14.2.0 Release 146.4.1 General 67g36.4.2 Sx Session Level Reporting Procedure . 67g36.5 Sx Management Procedures . 68g36.5.1 General 68g36.5.2 Sx PF

31、D management Procedure . 68g37 Parameters 69g37.1 Parameters for Sx session management 69g37.2 Session context . 69g37.3 Packet Detection Rule 69g37.4 Usage Reporting Rule 72g37.5 Forwarding Action Rule . 73g37.6 QoS Enforcement Rule . 74g37.7 Usage Report generated by UP function 76g37.8 Functional

32、 description 78g37.8.1 General 78g37.8.2 PDN connection and TDF session level context . 78g37.8.3 Bearer related context . 78g37.8.4 Measurement key related context . 79g37.9 Parameters for Sx management 79g37.9.1 Parameters for PFD management . 79g3Annex A (informative): Change history . 80g3Histor

33、y 81g3ETSI ETSI TS 123 214 V14.2.0 (2017-05)63GPP TS 23.214 version 14.2.0 Release 14Foreword This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following f

34、ormal 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 fo

35、r 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.

36、ETSI ETSI TS 123 214 V14.2.0 (2017-05)73GPP TS 23.214 version 14.2.0 Release 141 Scope The present document specifies the overall stage 2 level functionality for control and user plane separation of EPCs SGW, PGW and TDF. This enables a flexible placement of the separated control plane and user plan

37、eg3functions for supporting diverse deployment scenarios (e.g. central or distributed user plane function) without affecting the overall functionality provided by these EPC entities. 2 References The following documents contain provisions which, through reference in this text, constitute provisions

38、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 t

39、o 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 23.401: “General Packet Radio Service (GPRS) enhancements for

40、 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-3GPP accesses“. 5 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 6 3GPP TS 2

41、9.060: “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 for Control plane (GTPv2-C); Stage 3“. 8 3GPP TS 32.251: “Telecommunication management; Charging management; Pa

42、cket 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 29.212: “Policy and Charging Control (PCC); Reference points“. 3 Definitions and abbreviations 3.1 Definitions F

43、or the purposes of the present document, the terms and definitions given in TR 21.905 1, 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.

44、274 7. F-TEIDu: The F-TEID of a GTP-u tunnel. ETSI ETSI TS 123 214 V14.2.0 (2017-05)83GPP TS 23.214 version 14.2.0 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 i

45、n the present document takes precedence over the definition of the same abbreviation, if 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 func

46、tion SGW-U Serving Gateway User plane function TDF Traffic Detection Function TDF-C Traffic 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 funct

47、ionality 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 no

48、t split within the same network; - Split network entities have no requirement to update UE, and Radio Access Network; - The SGW/PGW selection function of the MME/ePDG/TWAN described in TS 23.401 2 and TS 23.402 4 is used for the selection of the respective CP function; - The configuration based mech

49、anism (in PGW or PCRF) described in TS 23.203 3 is used for the selection of the CP function of the TDF; - A CP function can interface with one or more UP functions (e.g. to enable independent scalability of CP functions and UP functions). 4.2 Architecture reference model 4.2.1 Non-roaming and roaming architectures This clause defines the complementary aspects of the architecture reference models specified in TS 23.401 2 clause 4.2 and TS 23.402 4 clauses 4.2.2 and 4.2.3 for GTP-based interfaces when SGW, PGW and TDF