ETSI TS 123 380-2017 Digital cellular telecommunications system (Phase 2+) (GSM) Universal Mobile Telecommunications System (UMTS) LTE IMS Restoration Procedures (V14 1 0 3GPP TS 2.pdf

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1、 ETSI TS 1Digital cellular telecommUniversal Mobile TelIMS Re(3GPP TS 23.3TECHNICAL SPECIFICATION123 380 V13.5.0 (2017mmunications system (Phase elecommunications System (LTE; Restoration Procedures .380 version 13.5.0 Release 1317-01) e 2+) (GSM); (UMTS); 13) ETSI ETSI TS 123 380 V13.5.0 (2017-01)1

2、3GPP TS 23.380 version 13.5.0 Release 13Reference RTS/TSGC-0423380vd50 Keywords GSM,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-Prfect

3、ure de Grasse (06) N 7803/88 Important 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 m

4、odified without the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat

5、. Users of the present document 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

6、 send your comment to one of the 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 permis

7、sion of ETSI. The content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the

8、 ETSI logo are Trade Marks of 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. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 123 3

9、80 V13.5.0 (2017-01)23GPP TS 23.380 version 13.5.0 Release 13Intellectual 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 ETSI members and non-members

10、, 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

11、 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.

12、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 as being references to the

13、 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“, “will“, “will not“, “can“ and

14、 “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 123 380 V13.5.0 (2017-01)33GPP TS 23.380 version 13.5.0

15、Release 13Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g3Introduction 5g31 Scope 6g32 References 6g33 Definitions, symbols and abbreviations . 7g33.1 Definitions 7g33.2 Abbreviations . 7g34 Restoration of Data in the S-CSCF 8g34.1 General . 8g34.2 Reg

16、istration Procedure . 8g34.2.1 Introduction. 8g34.2.2 S-CSCF Restoration after Failure . 8g34.2.3 S-CSCF Restoration during Registration Process . 8g34.3 UE Terminating Procedure . 9g34.3.1 Introduction. 9g34.3.2 S-CSCF Restoration after Restart . 9g34.3.3 S-CSCF Restoration after Failure . 9g34.4 U

17、E Originating Procedure 10g34.4.1 Introduction. 10g34.4.2 S-CSCF Restoration after Restart . 10g34.4.3 S-CSCF Restoration after Failure . 10g34.5 SIP-AS Originating Procedure . 10g34.5.1 Introduction. 10g34.5.2 S-CSCF Restoration after Restart . 11g34.5.3 S-CSCF Restoration after Failure . 11g34.6 S

18、-CSCF Data Restoration Information Backup and Update Procedures 11g34.6.1 Introduction. 11g34.6.2 Backup and Update of S-CSCF Restoration Information during Registration Process 11g34.6.3 Backup and Update of S-CSCF Restoration Information after UE“s Subscription 12g35 Recovery after P-CSCF failure

19、. 12g35.0 General . 12g35.1 Update PDP context/Bearer at P-CSCF failure 12g35.1.1 General requirements 12g35.1.2 Network recovery information flow - Update PDP context / Bearer 13g35.1.3 Network recovery information flow with S5 PMIP 14g35.2 Inform UE about P-CSCF failure . 15g35.2.1 General require

20、ments 15g35.2.2 Network recovery information flow Inform UE at P-CSCF failure . 15g35.2.3 Network recovery information flow Inform UE at P-CSCF failure with S5 PMIP . 17g35.3 Network recovery information flow UE uses keep alive mechanism 18g35.4 HSS-based P-CSCF restoration for 3GPP access . 19g35.4

21、.1 Introduction. 19g35.4.2 Description 19g35.4.2.1 General 19g35.4.2.2 P-CSCF restart/failure detection by S-CSCF 21g35.4.2.2.1 General 21g35.4.2.2.2 Direct connection from S-CSCF to P-CSCF . 21g35.4.2.2.3 S-CSCF connection to P-CSCF via IBCF/ATCF 21g3ETSI ETSI TS 123 380 V13.5.0 (2017-01)43GPP TS 2

22、3.380 version 13.5.0 Release 135.4.2.3 MME/SGSN mechanism support 22g35.4.3 PCO-based optional extension 22g35.4.3.1 Introduction 22g35.4.3.2 Description . 22g35.4.4.3 UE indication of support for “Update PDP context/bearer at P-CSCF failure“ Restoration . 25g35.4.5 Coexistence with “Update PDP cont

23、ext/bearer at P-CSCF failure“ mechanism . 25g35.4.6 HSS based P-CSCF restoration in roaming scenarios . 25g35.5 PCRF-based P-CSCF restoration . 25g35.5.1 Introduction. 25g35.5.2 PCRF-based P-CSCF restoration information flow - deactivate PDN connection/PDP context 26g35.5.3 PCO-based optional extens

24、ion 29g35.5.3.1 Introduction 29g35.5.3.2 Description . 29g35.5.3.3 UE indication of support for “Update PDP context/bearer at P-CSCF failure“ Restoration . 29g35.5.4 Coexistence with “Update PDP context/bearer at P-CSCF failure“ mechanism . 29g35.5.5 P-CSCF restoration in roaming scenarios for PCRF

25、based solution . 29g35.6 P-CSCF restoration for WLAN 30g35.6.1 Introduction. 30g35.6.2 Basic mechanism for the HSS-based solution 30g35.6.2.1 Overview and principles . 30g35.6.2.2 Description 30g35.6.3 Basic mechanism for the PCRF-based solution 32g35.6.4 Optional extension for the HSS and PCRF-base

26、d solutions for the TWAN access 32g35.6.4.1 Overview and principles . 32g35.6.4.2 Description 33g35.6.4.3 Indication of UE support of the P-CSCF restoration extension for the TWAN access . 34g35.6.5 Optional extension for the HSS and PCRF-based solutions for the untrusted WLAN access 34g35.6.5.1 Ove

27、rview and principles . 34g35.6.5.2 Description 34g35.6.5.3 Indication of UE support of the P-CSCF restoration extension for the untrusted WLAN access . 36g35.6.6 Supported features and capabilities 36g35.6.6.1 Introduction . 36g35.6.6.2 Feature support in the HSS and S-CSCF . 36g35.6.6.3 Feature sup

28、port in the 3GPP AAA Server . 36g35.6.6.4 Feature support in the PGW 37g35.6.6.5 Feature support in the TWAN . 37g35.6.6.6 Feature support in the ePDG . 37g35.6.6.7 Capability support in the UE . 37g35.7 Interaction between P-CSCF restoration and NBIFOM . 38g35.7.1 Introduction. 38g35.7.2 HSS-based

29、solution . 38g35.7.3 PCRF-based solution 39g36 Recovery after SCC AS failure 39g36.1 General . 39g36.2 General Procedure 39g36.2.1 Enhanced Third Party Registration Procedure 40g36.2.1.1 Introduction . 40g36.2.1.2 Description 40g36.2.2 Enhanced Service Request Procedure . 41g36.2.2.1 Introduction .

30、41g36.2.2.2 Description 41g3Annex A (informative): Change history . 43g3History 45g3ETSI ETSI TS 123 380 V13.5.0 (2017-01)53GPP TS 23.380 version 13.5.0 Release 13Foreword This Technical Specification has been produced by the 3rdGeneration Partnership Project (3GPP). The contents of the present docu

31、ment 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:

32、 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 inc

33、remented when editorial only changes have been incorporated in the document. Introduction Although network nodes in the IMS Core Network should have a very high availability, some maintenance downtime and occasional failures are unavoidable. Communication links although designed with robust protocol

34、s between the network elements are also subject to failures. This document specifies a set of standardized procedures for automatic restoration after loss or corruption of data reducing the impact of these problems in order to improve service to the users. The scenarios covered here for the IMS Doma

35、in are similar to those covered in 3GPP TS 23.007 2 for the CS and PS Domains. ETSI ETSI TS 123 380 V13.5.0 (2017-01)63GPP TS 23.380 version 13.5.0 Release 131 Scope The present document specifies the procedures required in 3GPP IMS to handle a S-CSCF or a P-CSCF service interruption scenario with m

36、inimum impact to the service to the end user. NOTE: IMS Restoration Procedures covering service interruption of other network elements are not defined in this version of the specification. 2 References The following documents contain provisions which, through reference in this text, constitute provi

37、sions 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 refer

38、ence 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 23.007: “Restoration procedures“. 3 3GPP TS 29.228: “IP

39、 Multimedia (IM) Subsystem Cx and Dx interfaces; Signalling flows and message contents“. 4 3GPP TS 24.008: “Mobile radio interface Layer 3 specification“. 5 3GPP TS 29.213: “Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping“. 6 3GPP TS 29.212: “Policy and Ch

40、arging Control (PCC); Reference points“. 7 3GPP TS 29.214: “Policy and Charging Control over Rx reference point“. 8 3GPP TS 29.060: “General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface“. 9 3GPP TS 29.061: “Interworking between the Public Land Mobile Net

41、work (PLMN) supporting packet based services and Packet Data Networks (PDN)“. 10 3GPP TS 29.274: “3GPP Evolved Packet System. Evolved GPRS Tunnelling Protocol for EPS (GTPv2)“. 11 IETF RFC 3361: “Dynamic Host Configuration Protocol (DHCP-for-IPv4) Option for Session Initiation Protocol (SIP) Servers

42、“. 12 IETF RFC 1034: “Session Initiation Protocol (SIP): Locating SIP Servers“. 13 IETF RFC 3319: “Dynamic Host Configuration Protocol (DHCPv6) Options for Session Initiation Protocol (SIP) Servers“. 14 IETF RFC 6223: “Indication of Support for Keep-Alive“. 15 3GPP TS 29.275: “Proxy Mobile IPv6 (PMI

43、Pv6) based Mobility and Tunnelling protocols; Stage 3“. 16 IETF RFC 7077: “Update Notifications for Proxy Mobile IPv6“. ETSI ETSI TS 123 380 V13.5.0 (2017-01)73GPP TS 23.380 version 13.5.0 Release 1317 3GPP TS 23.401: “GPRS Enhancements for E-UTRAN Access“. 18 IETF RFC 3261: “SIP: Session Initiation

44、 Protocol“. 19 3GPP TS 24.229: “IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3“. 20 3GPP TS 23.060: “General Packet Radio Service (GPRS); Service description; Stage 2“. 21 GSMA PRD IR.65: “IMS Roaming and Interworking Gu

45、idelines, version 14.0“. 22 3GPP TS 24.244: “Wireless LAN control plane protocol for trusted WLAN access to EPC; Stage 3“. 23 IETF RFC 7296: “Internet Key Exchange Protocol Version 2 (IKEv2)“. 24 3GPP TS 29.273: “Evolved Packet System (EPS); 3GPP EPS AAA interfaces“. 25 IETF RFC 3588: “Diameter Base

46、 Protocol)“. 26 IETF RFC 5996 (September 2010): “Internet Key Exchange Protocol Version 2 (IKEv2)“. 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

47、 document takes precedence over the definition of the same term, if any, in TR 21.905 1. Service Interruption: A period of time in which one or more network elements do not respond to requests and do not send any requests to the rest of the system. S-CSCF Restoration Information: Information require

48、d for the S-CSCF to handle traffic for a registered user. This information is stored in HSS and if lost, retrieved by the S-CSCF. 3.2 Abbreviations For the purposes of the present document, the abbreviations given in TR 21.905 1 and the following apply. An abbreviation defined in the present documen

49、t takes precedence over the definition of the same abbreviation, if any, in TR 21.905 1. APCO Additional Protocol Configuration Options ePDG Evolved Packet Data Gateway IKEv2 Internet Key Exchange Protocol Version 2 LIA Location Information Answer LIR Location Information RequestLMA Local Mobility Anchor NBIFOM Network-Based IP Flow Mobility PCO Protocol Configuration Options PGW PDN Gateway PMIP Proxy Mobile IP RCS Rich Communication Services SAA Server Assignment Answer SAR Server Assignment RequestSGW Serv