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TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Restoration procedures
(3GPP TS 23.007 version 14.5.0 Release 14)
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3GPP TS 23.007 version 14.5.0 Release 14 1 ETSI TS 123 007 V14.5.0 (2018-10)
Reference
RTS/TSGC-0423007ve50
Keywords
GSM,LTE,UMTS
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3GPP TS 23.007 version 14.5.0 Release 14 2 ETSI TS 123 007 V14.5.0 (2018-10)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI 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
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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 corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
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).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 23.007 version 14.5.0 Release 14 3 ETSI TS 123 007 V14.5.0 (2018-10)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 9
1 Scope . 10
1.1 References . 10
1.2 Abbreviations . 12
1.3 Definitions . 12
2 Design objectives . 12
3 Restoration indicators in location registers and in GPRS support nodes . 13
3.1 Restoration Indicators in the VLR . 13
3.2 Restoration Indicators in the HLR . 15
3.3 Restoration Indicators in the SGSN . 15
3.4 Restoration Indicators in the MME . 16
3.5 Restoration Indicator in the ProSe Function . 17
3.6 Restoration Indicator in the V2X Control Function . 17
4 Restoration of data in the VLR . 18
4.0 VLR Failure with Restart . 18
4.0a VLR Failure without Restart . 18
4.1 Restart of the VLR . 19
4.2 Restoration Procedures . 19
4.2.0 General . 19
4.2.1 Incoming Call . 19
4.2.2 Mobile Terminated Short Message . 20
4.2.3 Mobile Terminating Location Request (MT-LR) . 22
4.2.4 Incoming LCS Information Request (GSM only) . 22
4.2.5 Outgoing MS request . 23
4.2.6 Outgoing LMU Request (GSM only) . 23
4.2.7 Location Updating or IMSI Attach . 24
4.2.8 Use of TMSI . 24
4.2.9 SGSN associations . 25
4.2.10 MME associations . 25
5 Restoration of data in the HLR/HSS . 25
5.1 Restart of the HLR/HSS . 25
5.2 Procedures During Restoration. 25
5.2.1 Mobile terminated call . 25
5.2.2 Mobile Originated Activity for CS . 26
5.2.3 Mobile Originated Activity for ProSe . 26
5.2.4 Procedures in the SGSN . 26
5.2.5 Procedures in the MME . 26
5.2.6 Mobile Originated Activity for V2X . 26
6 Periodic location updating . 27
7 Periodic routeing area updating . 27
8 Stand-alone operation of the VLR . 27
9 Stand-alone operation of the SGSN . 27
9A Stand-alone operation of the MME . 28
10 Restoration of data in the GGSN . 28
10.0 GGSN failure . 28
10.1 Restart of the GGSN. 28
10.2 Restoration Procedures . 28
ETSI
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3GPP TS 23.007 version 14.5.0 Release 14 4 ETSI TS 123 007 V14.5.0 (2018-10)
10.2.0 General . 28
10.2.1 Mobile terminated transmission . 28
10.2.2 Mobile originated transmission. 29
11 Restoration of data in the SGSN . 29
11.0 SGSN Failure . 29
11.0.1 Gn/Gp SGSN failure . 29
11.0.2 SGSN Failure using S4 . 29
11.1 Restart of the SGSN . 30
11.2 Restoration Procedures . 30
11.2.1 Mobile terminated user data transmission . 30
11.2.2 Mobile terminated services requested by the MSC/VLR. 30
11.2.3 Mobile terminated SMS over GPRS . 31
11.2.4 Mobile originated Routeing Area Updating or Attach . 31
11.2.5 Mobile originated LLC frame . 32
11.2.6 Mobile originated Service Request . 32
11.3 Use of TLLI . 32
11.4 VLR associations . 32
11.5 Restart of a peer node . 32
11.5.1 SGW failure . 32
11.5.2 MBMS-GW failure . 33
12 Restoration of Data in an SMLC (GSM only) . 33
12.1 Restart of an SMLC . 33
12.2 Data Restoration for a Specific LMU . 33
13 Restoration of Data in an LMU (GSM only) . 33
14 Restoration of data in the MME . 33
14.1 Restart of the MME . 33
14.1.1 Restoration Procedures . 33
14.1.2 Mobile originated Tracking Area Updating or E-UTRAN Attach. 34
14.1.3 Mobile terminated services requested by the MSC/VLR. 35
14.1.4 Mobile terminated user data transmission . 35
14.1.5 Mobile originated Service Request . 35
14.1.6 Mobile Terminated NIDD procedure . 35
14.1A Restart of a peer node . 36
14.1A.1 SGW Failure . 36
14.1A.2 MBMS GW failure . 36
14.2 VLR associations . 36
14.3 Partial Failure Handling at MME . 36
14.3.1 General . 36
14.3.2 Procedures during PDN Connection Establishment . 36
14.3.3 Procedures during MME Partial Failure . 37
14.3.4 Procedures during a Peer's Partial Failure. 37
14.3.5 Procedures during PDN Connection Removal or Modification . 37
15 Restoration of data in GERAN/UTRAN . 38
15.1 BSS Failure (A/Gb mode) . 38
15.2 RNC/BSC Failure (Iu mode) . 38
15.3 RNC/BSC Failure (Iu mode) using S4 . 38
15.4 Other RNC functionality for MBMS restoration . 39
15.5 Iu path failure using S4 . 39
15A Restoration of data in E-UTRAN . 40
15A.1 eNodeB Failure . 40
15A.1.1 General . 40
15A.1.2 PWS restoration . 40
15A.2 S1-AP path failure . 41
15A.3 MCE Failure . 41
15A.4 M3AP path failure . 42
15A.5 Other MCE functionality for MBMS restoration . 43
15A.6 Other MME related functionality for MBMS restoration . 43
ETSI
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3GPP TS 23.007 version 14.5.0 Release 14 5 ETSI TS 123 007 V14.5.0 (2018-10)
16 Restoration of data in the SGW . 43
16.1 Restart of the SGW. 43
16.1.0 SGW Failure . 43
16.1.1 Restoration Procedures . 43
16.1a Restart of the SGW-C . 44
16.1a.1 SGW-C failure . 44
16.1a.2 Restoration procedure . 44
16.1b Restart of the SGW-U . 44
16.1b.1 SGW-U failure . 44
16.1b.2 Restoration procedure . 44
16.1A Restart of a peer node . 44
16.1A.1 MME/S4-SGSN Failure . 44
16.1A.1.1 General . 44
16.1A.2 PGW Failure . 45
16.1A.3 SGW-C Failure . 46
16.1A.4 SGW-U Failure . 46
16.2 Partial Failure Handling at SGW . 47
16.2.1 General . 47
16.2.2 Procedures during PDN Connection Establishment . 47
16.2.3 Procedures during SGW Partial Failure . 47
16.2.4 Procedures during a Peer's Partial Failure. 48
16.2.5 Procedures during PDN Connection Removal or Modification . 48
17 Restoration of data in the PGW . 50
17.1 Restart of the PGW. 50
17.1.0 PGW Failure . 50
17.1.1 Restoration Procedures . 50
17.1a Restart of the PGW-C . 50
17.1a.1 PGW-C failure . 50
17.1a.2 Restoration Procedures . 50
17.1b Restart of the PGW-U . 50
17.1b.1 PGW-U failure . 50
17.1b.2 Restoration Procedures . 50
17.1A Restart of a peer node . 51
17.1A.1 SGW/ePDG/TWAN Failure . 51
17.1A.2 PCRF Failure . 51
17.1A.3 PGW-C Failure . 52
17.1A.4 PGW-U Failure . 52
17.2 Partial Failure Handling at PGW . 52
17.2.1 General . 52
17.2.2 Procedures during PDN Connection Establishment . 52
17.2.3 Procedures during PGW Partial Failure . 52
17.2.4 Procedures during a Peer's Partial Failure. 53
17.2.5 Procedures during PDN Connection Removal or Modification . 53
17A Restoration of data in the MBMS GW . 53
17A.1 Restart of the MBMS GW . 53
17A.2 Restart of a peer node . 54
17A.2.1 MME failure . 54
17A.2.2 SGSN failure . 55
17A.2.3 BM-SC failure .
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