ETSI TS 101 347-2002 Digital Cellular Telecommunications System (Phase 2+) General Packet Radio Service (GPRS) GPRS Tunnelling Protocol (GTP) Across the Gn and Gp Interface《数字蜂窝通信系.pdf

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1、ETSI TS 1 O1 347 V7.10.0 (2002-12) Technical Specificafion Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp Interface (3GPP TS 09.60 version 7.10.0 Release 1998) 3GPP TS 09.60 version 7.10.0 Release 1998 1

2、 ETSI TS 101 347 V7.10.0 (2002-12) Reference RTSITSGN-040960v7aO Keywords GSM ETSI 650 Route des Lucioles F-O6921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 O0 Fax: +33 4 93 65 47 16 Siret No 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-prfecture de Grasse

3、(06) No 7803/88 Important notice Individual copies of the present document can be downloaded from: http:lwmv.etsi .arq The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the re

4、ference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or c

5、hange of status. Information on the current status of this and other ETSI documents is available at ha p:/pa rta I. etsi I a rgltbistat uslstatus .as p If you find errors in the present document, send your comment to: Cori vriaht Notifica tion No part may be reproduced except as authorized by writte

6、n permission. The copyright and the foregoing restriction extend to reproduction in all media. O European Telecommunications Standards Institute 2002. All rights reserved. DECTTM, PLUGTESTSTMand UMTSTMare Trade Marks of ETSI registered for the benefit of its Members. TIPHONTM and the TIPHON logo are

7、 Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 2 ETSI TS 101 347 V7.10.0 (2002-12) Intellectual Property R

8、ights 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, and can be found in ETSI SR 000 314: “Intellectual Property Rights (7PRs); Essenti

9、al, orpotentially Essential, IPRs notlJied to ETSI in respect ofETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (5). All published ETSI deliverables shall include information which directs the reader to the above source of informatio

10、n. 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

11、the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under ht tn : Nweb ann. et si. og;kev/aiiervfom. asn . ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 3 ETSI TS 101 347 V7.10.0 (2002-12) Contents Intellectual Property Rights 2 Foreword

12、 . 2 Foreword . 6 1 2 3 3.1 3.2 4 5 6 7 7.1 7.2 7.3 7.4 7.4.1 7.4.2 7.4.3 7.5 7.5.1 7.5.2 7.5.3 7.5.4 7.5.5 7.5.6 7.5.7 7.5.8 7.5.9 7.5.10 7.5.11 7.5.12 7.5.13 7.5.14 7.5.15 7.6 7.6.1 7.6.2 7.6.3 7.6.4 7.6.5 7.6.6 7.7 7.7.1 7.7.2 7.7.3 7.7.4 7.7.5 7.8 7.9 7.9.1 Scope 7 References 7 Definitions and a

13、bbreviations . 8 Definitions 8 Abbreviations 9 General . 9 Transmission order and bit definitions . 10 GTP header . 10 Signalling Plane 12 Signalling protocol . 12 Signalling Message Formats . 12 Usage of the GTP Header . 13 Path Management messages . 14 Echo Request 14 Echo Response 15 Version Not

14、Supported . 15 Tunnel Management messages . 15 Create PDP Context Request 15 Create PDP Context Response 17 Update PDP Context Request . 19 Update PDP Context Response . 20 Delete PDP Context Request 21 Delete PDP Context Response 21 Create AA PDP Context Request . 22 Create AA PDP Context Response

15、. 23 Delete AA PDP Context Request . 24 Delete AA PDP Context Response . 25 Error Indication . 25 PDU Notification Request 26 PDU Notification Response 26 PDU Notification Reject Request . 27 PDU Notification Reject Response . 27 Location Management messages 28 Send Routeing Information for GPRS Req

16、uest 28 Send Routeing Information for GPRS Response 29 Failure Report Request . 30 Failure Report Response 30 Note MS GPRS Present Request 30 Note MS GPRS Present Respons 31 Mobility Management messages 31 Identification Reque 31 Identification Respo 32 SGSN Context Requ 32 SGSN Context Response 33

17、SGSN Context Acho 34 Reliable delivery of signa 35 Information elements 35 Cause 36 ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 4 ETSI TS 101 347 V7.10.0 (2002-12) 7.9.2 7.9.3 7.9.4 7.9.5 7.9.6 7.9.7 7.9.8 7.9.9 7.9.10 7.9.11 7.9.12 7.9.13 7.9.14 7.9.15 7.9.16 7.9.16A 7.9.17 7.9.18 7.9.19 7.9.20

18、7.9.21 7.9.22 7.9.23 7.9.24 7.9.25 7.9.26 International Mobile Subscriber Identity (IMSI) Routeing Area Identity (RAI) . Temporary Logical Link Identity ( Packet TMSI (P-TMSI) Quality of Service (QoS) Profile . Reordering Required . 39 Authentication Triplet . 40 MAP Cause 40 P-TMSI Signature . 41 M

19、S Validated 41 Recovery . 41 Selection mode 38 38 38 39 39 . . 42 . 42 Flow Label Data II . 43 MS Not Reachable . 43 End User Address MM Context PDP Context . Access Point Name Protocol Configurat 8 Transmission Plane 52 8.1 Protocol Stack 52 8.1.1 Usage ofthe GTP Header . 52 8.1.1.1 Usage of the Se

20、quence Number 53 8.2 Tunnelling between SGSNs . 53 8.3 Tunnelling between GGSNs . 53 9 Path Protocols . 53 UDP/IP 53 9.1 9.1.1 UDP Header . 54 9.1.1.1 Signalling request messages 54 9.1.1.2 Signalling response messages . 54 9.1.1.3 Encapsulated T-PDUs . 54 9.1.2 IP Header 54 9.1.2.1 Signalling reque

21、st messages and Encapsulated T-PD 54 9.1.2.2 Signalling response messages . 54 TCP/IP 54 9.2 9.2.1 TCP Header 54 9.2.2 IP Header 54 1 O Error handling 55 Protocol errors 55 10.1 10.1.1 Different GTP versions . 55 10.1.2 GTP Message too short . 55 10.1.3 Unknown GTP signalling message . 55 10.1.4 Une

22、xpected GTP signalling message 55 10.1.5 Missing mandatorily present information element . 55 10.1.6 Invalid Length . 56 10.1.7 Invalid mandatory information element 56 10.1.8 Invalid optional information element 56 10.1.9 Unknown information element . 56 10.1.10 Out of sequence information elements

23、 56 10.1.11 Unexpected information element 56 10.1.12 Repeated information elements . 57 10.1.13 Incorrect optional information elements . 57 10.2 Path failure . 57 ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 5 ETSI TS 101 347 V7.10.0 (2002-12) 10.3 MS detach . 57 10.4 Restoration and Recovery .

24、. 57 1 1 Inter-PLMN GTP communication over the Gp interface . 57 12 IP, the networking technology used by GTP 57 12.1 IP version . . 57 12.2 IP fragmentation . 58 12.2.1 MO direction . 58 12.2.2 MT direction . 58 12.2.3 Tunnelling from old to new SGSN . 58 13 GTP parameters 58 . 59 . 59 13.1 . 13.2

25、. Annex A (informative): Naming convention 64 A . 1 A.2 Annex B (informative): A method for sequence number checking 65 Annex C (informative): Document change history 66 Routing Area Identities 64 GPRS Support Nodes . 64 History 68 ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 6 ETSI TS 101 347 V7.

26、10.0 (2002-12) Foreword This Technical Specification has been produced by the 3d Generation Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modiSl the contents of the present d

27、ocument, it will be re-released by the TSG with an identiSling change of release date and an increase in version number as follows: Version 7.x.y where: 7 indicates Release 1998 of GSM Phase 2+. x the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,

28、 updates, etc. y the third digit is incremented when editorial only changes have been incorporated in the specification. Proposed national transposition dates Date of latest announcement of this EN (doa): Date of latest publication of new National Standard or endorsement of this EN (dop/e): Date of

29、withdrawal of any conflicting National Standard (dow): 3 months after ETSI publication 6 months after doa 6 months after doa ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 7 ETSI TS 101 347 V7.10.0 (2002-12) 1 Scope The present document defines the Gn and Gp interfaces for the General Packet Radio S

30、ervice (GPRS). 2 Re fe re nces 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 ref

31、erence, subsequent 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 theyresent document.

32、 GSM O 1.04: “Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. GSM 03 .O3 : “Digital cellular telecommunications system (Phase 2+); Numbering, addressing and identification“. GSM 03.07: “Digital cellular telecommunications system (Phase 2+); Restoration Procedures“

33、. GSM 03.20: “Digital cellular telecommunications system (Phase 2+); Security related network functions“. GSM 03.60: “Digital cellular telecommunications system (Phase 2+); General Packet Radio Service (GPRS); Service Description; Stage 2“. GSM 03.64: “Digital cellular telecommunications system (Pha

34、se 2+); General Packet Radio Service (GPRS); Overall description of the GPRS Radio Interface; Stage 2“. GSM 04.08: “Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 - specification“. GSM 04.64: “Digital cellular telecommunications system (Phase 2+); Mobile Statio

35、n - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) Layer Specification“. GSM 09.02: “Digital cellular telecommunications system (Phase 2+); Mobile Application Part (MAP) specification“. STD 0005: “Internet Protocol“, J. Postel. STD 0006: “User Datagram Protocol“, J. Postel. STD 0007:

36、 “Transmission Control Protocol“, J. Postel. RFC 1700: “Assigned Numbers“, J. Reynolds and J. Postel. RFC 2 18 1 : “Clarifications to the DNS Specification“, R. Elz and R. Bush. ITU-T Recommendation X.25: “Interface between data terminal equipment (DTE) and data circuit-tenninating equipment (DCE) f

37、or terminals operating in the packet mode and connected to public data networks by dedicated circuit“. ITU-T Recommendation X. 12 1 : “International Numbering Plan for Public Data Networks“. ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 8 ETSI TS 101 347 V7.10.0 (2002-12) 3 Definitions and abbrevia

38、tions 3.1 De fi nit ions For the purposes of the present document, the following terms and definitions apply. Conditional G-PDU: GTP-Flow: GTP tunnel: MM Context: MM Context ID: NSAPI: Path: Path Protocol: PDP: PDP Context: Quality of Service: Signalling message: TCP/IP path: T-PDU: TID: UDP/IP path

39、: When the presence requirement for the information element is conditional, the receiving protocol level can check the presence or absence of an IE based on the received information. A T-PDU plus a GTP header. A G-PDU is sent in a path. A GTP flow is defined by the unidirectional virtual aggregation

40、 of G-PDUs andor signalling messages related to one or more GTP tunnels. A GTP flow is identified by a Flow Label included in the GTP header. The meaning of the Flow Label is transparent for the transmitter side, only the receiver may evaluate the Flow Label. A GTP tunnel is defined by two associate

41、d PDP Contexts in different GSN nodes and is identified with a Tunnel ID. A GTP tunnel is necessary to forward packets between an external packet data network and a MS user. The information sets held in MS and GSNs for a GPRS subscriber related to mobility management (MM) (please refer to the MM Con

42、text Information Element). IMSI or equivalent for use in conjunction with Anonymous Access (please refer to section GTP Header). Network Service Access Point Identifier. An integer value in the range O; 151, identiSling a certain PDP Context. It identifies a PDP context belonging to a specific MM Co

43、ntext ID. The UDP/IP path and TCP/IP path are examples of paths that may be used to multiplex GTP tunnels. The Path Protocol is the protocol(s) used as a bearer of GTP between GSNs. A Packet Data Protocol (PDP) is a network protocol used by an external packet data network interfacing to GPRS. The in

44、formation sets held in MS and GSNs for a PDP address (please refer to the PDP Context Information Element). Quality of Service may be applicable for the GPRS backbone if the path media supports it. Separate paths with different priorities may be defined between a GSN pair. However, the possible use

45、of QoS in the GGSN is outside the scope of the GTP specification. GTP signalling messages are exchanged between GSN pairs in a path. The signalling messages are used to transfer GSN capability information between GSN pairs and to create, update and delete GTP tunnels. A TCP/IP path is a reliable con

46、nection-oriented path defined by two end-points and an end- point is defined by an IP address and a TCP port number. TCP/IP paths should be used when the T-PDUs are based on connection-oriented protocols, such as the X.25 packet layer protocol. An original packet, for example an IP datagram, from a

47、MS or a network node in an external packet data network. A T-PDU is the payload that is tunnelled in the GTP tunnel. A Tunnel ID (TID) consists of a MM Context ID and a NSAPI. A UDP/IP path is a connection-less path defined by two end-points and an end-point is defined by an IP address and a UDP por

48、t number. A UDP/IP path carries G-PDUs between GSN nodes related to one or more GTP tunnels. A UDP/IP path should be used when the T- PDUs are based on connection-less protocols, such as IP. ETSI 3GPP TS 09.60 version 7.10.0 Release 1998 9 ETSI TS 101 347 V7.10.0 (2002-12) 3.2 Abbreviations Abbrevia

49、tions used in the present document are listed in GSM 01.04. For the purposes of the present document, the following additional abbreviations apply: BB DF FFS GTP IANA ICMP IP IPv4 IPv6 MTU TID TCP UDP Gn interface Gp interface QOS Backbone Bearer Dont Fragment For Further Study GPRS Tunneling Protocol Internet Assigned Number Authority Internet Control Message Protocol Internet Protocol Internet Protocol version 4 Internet Protocol version 6 Maximum Transmission Unit Quality of Service Tunnel IDentifier Transmission Control Protocol User Datagram Protocol Interface