1、 ETSI TS 129 119 V15.0.0 (2018-07) Universal Mobile Telecommunications System (UMTS); LTE; GPRS Tunnelling Protocol (GTP) specification for Gateway Location Register (GLR) (3GPP TS 29.119 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 129 119 V15.0.0 (2018-07)13GPP TS 29.119 version
2、 15.0.0 Release 15Reference RTS/TSGC-0429119vf00 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/
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8、embers. 3GPPTM and LTETMare trademarks 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. GSMand the GSM logo are trademarks registered and owned by the GSM Association. ETSI ETSI TS 129 119 V15.0.0 (201
9、8-07)23GPP TS 29.119 version 15.0.0 Release 15Intellectual 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-me
10、mbers, 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/). Pursua
11、nt 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 to the present docum
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13、ame. Mention 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 doc
14、ument 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:/weba
15、pp.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 “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provi
16、sions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 129 119 V15.0.0 (2018-07)33GPP TS 29.119 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 4g31 Scope 5g31.1 Refere
17、nces 5g32 Definitions and abbreviations . 5g32.1 Definitions 5g32.2 Abbreviations . 6g33 General . 6g34 Transmission order and bit definitions . 7g35 GTP header . 7g36 GTP Message and Message Formats 7g36.1 Signalling Message Formats. 7g36.2 Path Management messages . 7g36.3 Tunnel Management messag
18、es . 8g36.4 Location Management message . 8g36.5 Mobility Management messages 9g36.6 Reliable delivery of signalling messages 9g36.7 Information element . 9g37 Signalling Plane (GTP-C) 9g38 GTP-U 9g39 Path Protocol 9g310 Error handling 9g311 Inter-PLMN GTP communication over the Gp Interface . 10g31
19、2 IP, the networking technology used by GTP 10g313 GTP parameters 10g3Annex A (informative): Change history . 11g3History 12g3ETSI ETSI TS 129 119 V15.0.0 (2018-07)43GPP TS 29.119 version 15.0.0 Release 15Foreword The present document has been produced by the 3rdGeneration Partnership Project (3GPP)
20、. 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 numbe
21、r 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, upda
22、tes, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 129 119 V15.0.0 (2018-07)53GPP TS 29.119 version 15.0.0 Release 151 Scope The present document describes the signalling requirements and procedures used at network elements rel
23、ated to the GLR for GTP within the 3GPP system at the application level. The present document gives the description of the systems needed only in the network utilising GLR as the delta document against 3GPP TS 29.060. 1.1 References The following documents contain provisions which, through reference
24、 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 revisions do not apply. - For a non-specific reference, the latest version
25、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 TS 23.060: “General Packet Radio Service (GPRS); Service description Stage2“. 2 3GP
26、P TS 23.119: “Gateway Location Register (GLR) stage2“. 3 3GPP TS 24.008: “Mobile radio interface layer 3 specification, Core Network Protocols Stage 3“. 4 3GPP TS 29.002: “Mobile Application Part (MAP) specification“. 5 3GPP TS 29.060: “General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (
27、GTP) across the Gn and Gp Interface“. 2 Definitions and abbreviations 2.1 Definitions For the purposes of the present document, the following terms and definitions apply. Gateway Location Register: this entity handles location management of roaming subscriber in visited network without involving HLR
28、 Intermediate GSN: this entity is used as serving GSN towards home network and relay some PDU notification messages between serving GSN and Gateway GSN MM context: information sets held in MS and GSNs for a GPRS subscriber related to mobility management (MM) MM Context ID: IMSI or equivalent for use
29、 in conjunction with Anonymous Access (please refer to section GTP Header) Path: UDP/IP path and TCP/IP path are examples of paths that may be used to multiplex GTP tunnels Path Protocol: path Protocol is the protocol(s) used as a bearer of GTP between GSNs PDP: packet Data Protocol (PDP) is a netwo
30、rk protocol used by an external packet data network interfacing to GPRS PDP Context: information sets held in MS and GSNs for a PDP address ETSI ETSI TS 129 119 V15.0.0 (2018-07)63GPP TS 29.119 version 15.0.0 Release 15Signalling message: GTP signalling messages are exchanged between GSN pairs in a
31、path. The signalling messages are used to transfer GSN capability information between GSN pairs and to create, update and delete GTP tunnels T-PDU: original packet, for example an IP datagram, from an MS or a network node in an external packet data network. A T-PDU is the payload that is tunnelled i
32、n the GTP tunnel Tunnel Endpoint Identifier (TEID): this field unambiguously identifies a tunnel endpoint in the receiving GTP-U or GTP-C protocol entity. The receiving end side of a GTP tunnel locally assigns the TEID value the transmitting side has to use. The TEID values are exchanged between tun
33、nel endpoints using GTP-C messages 2.2 Abbreviations For the purposes of the present document, the following abbreviations apply: GGSN Gateway GPRS support node GLR Gateway Location Register GPRS General Packet Radio Service GTP GPRS Tunnelling Protocol IM_GSN Intermediate GSN IP Internet ProtocolGL
34、R Gateway Location Register SGSN Serving GPRS support node TEID Tunnel Endpoint IDentifier UDP User Datagram Protocol 3 General The present document defines the GPRS Tunnelling Protocol (GTP) specific to the network with the GLR, i.e. the protocol between IM_GSN and other nodes (i.e. GGSN, SGSN and
35、GTP-MAP protocol converting GSN). It includes only the GTP signalling but not data transfer procedures. The interface between IM_GSM and GGSN is either intra-PLMN interface or inter-PLMN interface. SGSN GGSNIM_GSNGTP-MAPProtocolConvertingGSNHLRSignalling InterfaceSignalling and Data Transfer Interfa
36、ceGLRGTP-MAPProtocolConvertingGSNFigure 1: Logical Architecture for PS domain in the network with GLR ETSI ETSI TS 129 119 V15.0.0 (2018-07)73GPP TS 29.119 version 15.0.0 Release 15The GTP protocol is implemented only by IM_GSNs, SGSNs and GGSNs. No other systems need to be aware of GTP. GPRS MSs ar
37、e connected to a SGSN without being aware of GTP. It is assumed that there will be a many-to-many relationship between IM_GSNs, SGSNs and GGSNs. An IM_GSN may provide service to many GGSNs. A SGSN may provide service to many IM_GSNs and GGSNs. 4 Transmission order and bit definitions Transmission or
38、der and bit definitions on the interface between the IM_GSN and other nodes in the network with GLR are the same as that used in the network without the GLR, see 3GPP TS 29.060. 5 GTP header The GTP header used on interface between the IM_GSN and other nodes in the network with GLR is the same as th
39、at used in the network without the GLR, see 3GPP TS 29.060. 6 GTP Message and Message Formats The only signalling plane exists between the IM_GSN and other nodes (i.e. GGSN, SGSN and GTP-MAP protocol converting GSN). 6.1 Signalling Message Formats GTP defines a set of signalling messages between two
40、 associated GSNs. The signalling messages to be used between the IM_GSN and other nodes are defined in the table below. For the GTP signalling messages to be used on other interfaces see 3GPP TS 29.060. Table 1: Signalling messages Message Type value (Decimal) Signalling message Reference 3 Version
41、Not Supported 7.4.3 in 3GPP TS 29.060 27 PDU Notification Request 7.5.12 in 3GPP TS 29.060 28 PDU Notification Response 7.5.13 in 3GPP TS 29.060 29 PDU Notification Reject Request 7.5.14 in 3GPP TS 29.060 30 PDU Notification Reject Response 7.5.15 in 3GPP TS 29.060 32 Send Routeing Information for G
42、PRS Request 7.6.1 in 3GPP TS 29.060 33 Send Routeing Information for GPRS Response 7.6.2 in 3GPP TS 29.060 34 Failure Report Request 7.6.3 in 3GPP TS 29.060 35 Failure Report Response 7.6.4 in 3GPP TS 29.060 6.2 Path Management messages The messages, which are listed in following table, are used on
43、the interface between the IM_GSN and other nodes. For the definitions of these messages and other messages used on the other interfaces refer to the corresponding sections in 3GPP TS 29.060. Messages Sending node Receiving node Version Not Supported IM_GSN GGSN, SGSN GGSN, SGSN IM_GSN ETSI ETSI TS 1
44、29 119 V15.0.0 (2018-07)83GPP TS 29.119 version 15.0.0 Release 156.3 Tunnel Management messages In following table, only the messages used between the IM_GSN and GGSN and between the IM_GSN and SGSN are listed. For the definitions of these messages and other messages used on the other interfaces ref
45、er to the corresponding sections in 3GPP TS 29.060. Messages Sending node Receiving node PDU Notification Request GGSN IM_GSN IM_GSN SGSNPDU Notification Response SGSN IM_GSN IM_GSN GGSN PDU Notification Reject Request SGSN IM_GSN IM_GSN GGSN PDU Notification Reject Response GGSN IM_GSN IM_GSN SGSN6
46、.4 Location Management message In the network with the GLR, The optional Location Management messages are defined to support the case when Network-Requested PDP Context Activation procedures are used and an IM_GSN does not have a SS7 MAP interface. GTP is then used to transfer signalling messages be
47、tween the IM_GSN and a GTP-MAP protocol-converting GSN in the GPRS backbone network. The GTP-MAP protocol-converting GSN converts the signalling messages described in this section between GTP and MAP. The MAP messages are sent to and received from the GLR. The GTP-MAP protocol-converting function is
48、 described in 3GPP TS 23.060. The MAP protocol describing the corresponding procedures and messages is described in 3GPP TS 29.002. This alternative method is illustrated in Figure 2. L2L1MTP2MTP3IPL1SCCPUDPTCAPMAPGTP-MAP InterworkingGTPGSNIM_GSNL1MTP2MTP3SCCPTCAPMAPL1L2IPUDPGTPGLRFigure 2: IM_GSN -
49、 GLR Signalling via a GTP-MAP protocol-converter in a GSN In following table, only the messages used between the IM_GSN and The GTP-MAP protocol-converting GSN are listed. For the definitions of these messages and other messages used on the other interfaces refer to the corresponding sections in 3GPP TS 29.060. ETSI ETSI TS 129 119 V15.0.0 (2018-07)93GPP TS 29.119 version 15.0.0 Release 15Messages Sending node Receiving node Send Routeing Information for GPRS Request IM_GSN GTP-MAP protocol-converting Send Routeing Information for GPRS Response GTP-MAP protocol-c
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