1、 ETSI TS 129 244 V14.0.0 (2017-07) LTE; Interface between the Control plane Plane and the User Plane of EPC Nodes (3GPP TS 29.244 version 14.0.0 Release 14) TECHNICAL SPECIFICATION ETSI ETSI TS 129 244 V14.0.0 (2017-07)13GPP TS 29.244 version 14.0.0 Release 14Reference DTS/TSGC-0429244ve00 Keywords
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7、thorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. ETSI 2017. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are trademarks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are trademarks of ETSI registered for th
8、e 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 trademarks registered and owned by the GSM Association. ETSI ETSI TS 129 244 V14.0.0 (2017-07)23GPP TS 29.244 version 14.0.0 Release 14Intellectual Prop
9、erty 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, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); E
10、ssential, 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 the ETSI IPR Policy, no investigation, including IPR searches, has been carri
11、ed 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. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Gener
12、ation 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
13、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 “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Draftin
14、g 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 129 244 V14.0.0 (2017-07)33GPP TS 29.244 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs t
15、erminology 2g3Foreword . 10g31 Scope 11g32 References 11g33 Definitions, symbols and abbreviations . 12g33.1 Definitions 12g33.2 Abbreviations . 12g34 Protocol Stack 13g34.1 Introduction 13g34.2 UDP Header and Port Numbers . 14g34.2.1 General 14g34.2.2 Request Message 15g34.2.3 Response Message 15g3
16、4.3 IP Header and IP Addresses . 15g34.3.1 General 15g34.3.2 Request Message 15g34.3.3 Response Message 15g34.4 Layer 2 . 15g34.5 Layer 1 . 15g35 General description. 16g35.1 Introduction 16g35.2 Packet Forwarding Model 16g35.2.1 General 16g35.2.2 Usage Reporting Rule Handling . 18g35.2.2.1 General
17、18g35.2.2.2 Provisioning of Usage Reporting Rule in the UP function . 18g35.2.2.3 Reporting of Usage Report to the CP function 19g35.2.2.4 Reporting of Linked Usage Reports to the CP function 20g35.2.3 Forwarding Action Rule Handling 21g35.2.3.1 General 21g35.2.4 Buffering Action Rule Handling . 21g
18、35.2.4.1 General 21g35.2.4.2 Provisioning of Buffering Action Rule in the UP function . 22g35.2.5 QoS Enforcement Rule Handling . 22g35.2.5.1 General 22g35.2.5.2 Provisioning of QoS Enforcement Rule in the UP function 22g35.2.6 Combined SGW/PGW Architecture . 22g35.3 Data Forwarding between the CP a
19、nd UP Functions . 23g35.3.1 General 23g35.3.2 Sending of End Marker Packets 24g35.3.3 Forwarding of Packets Subject to Buffering in the CP Function 24g35.3.3.1 General 24g35.3.3.2 Forwarding of Packets from the UP Function to the CP Function 24g35.3.3.3 Forwarding of Packets from the CP Function to
20、the UP Function 25g35.3.4 Data Forwarding between the CP and UP Functions with one Sx-u Tunnel per UP Function or PDN 25g35.3.4.1 General 25g35.3.4.2 Forwarding of Packets from the UP Function to the CP Function 25g35.3.4.3 Forwarding of Packets from the CP Function to the UP Function 25g35.4 Policy
21、 and Charging Control 26g35.4.1 General 26g35.4.2 Service Detection and Bearer Binding 26g3ETSI ETSI TS 129 244 V14.0.0 (2017-07)43GPP TS 29.244 version 14.0.0 Release 145.4.3 Gating Control 26g35.4.4 QoS Control 27g35.4.5 DL Flow Level Marking for Application Detection . 27g35.4.6 Usage Monitoring
22、. 27g35.4.7 Traffic Redirection 28g35.4.8 Traffic Steering . 29g35.4.9 Provisioning of Predefined PCC/ADC Rules . 29g35.4.10 Charging . 30g35.4.11 (Un)solicited Application Reporting . 30g35.4.12 Service Identification for Improved Radio Utilisation for GERAN . 31g35.5 F-TEID Allocation and Release
23、. 31g35.6 Sx Session Handling . 32g35.6.1 General 32g35.6.2 Session Endpoint Identifier Handling . 32g35.6.3 Modifying the Rules of an Existing Sx Session 32g35.7 Support of Lawful Interception 32g35.8 Sx Association 33g35.8.1 General 33g35.8.2 Behaviour with an Established Sx Association . 33g35.8.
24、3 Behaviour without an Established Sx Association 34g35.9 Usage of Vendor-specific IE 34g35.10 Error Indication Handling 34g36 Procedures 34g36.1 Introduction 34g36.2 Sx Node Related Procedures 34g36.2.1 General 34g36.2.2 Heartbeat Procedure 35g36.2.2.1 General 35g36.2.2.2 Heartbeat Request . 35g36.
25、2.2.3 Heartbeat Response. 35g36.2.3 Load Control Procedure 35g36.2.3.1 General 35g36.2.3.2 Principles. 35g36.2.3.3 Load Control Information . 35g36.2.3.3.1 General Description . 35g36.2.3.3.2 Parameters . 36g36.2.3.3.2.1 Load Control Sequence Number 36g36.2.3.3.2.2 Load Metric 37g36.2.3.3.3 Frequenc
26、y of Inclusion 37g36.2.4 Overload Control Procedure . 37g36.2.4.1 General 37g36.2.4.2 Principles. 38g36.2.4.3 Overload Control Information . 38g36.2.4.3.1 General Description . 38g36.2.4.3.2 Parameters . 39g36.2.4.3.2.1 Overload Control Sequence Number . 39g36.2.4.3.2.2 Period of Validity . 39g36.2.
27、4.3.2.3 Overload Reduction Metric 40g36.2.4.3.3 Frequency of Inclusion 40g36.2.4.4 Message Throttling 41g36.2.4.4.1 General 41g36.2.4.4.2 Throttling algorithm “Loss“ 41g36.2.4.4.2.1 Description . 41g36.2.4.5 Message Prioritization . 42g36.2.4.5.1 Description 42g36.2.4.5.2 Based on the Message Priori
28、ty Signalled in the PFCP Message . 42g36.2.5 Sx PFD Management Procedure . 42g36.2.5.1 General 42g36.2.5.2 CP Function Behaviour . 43g36.2.5.3 UP Function Behaviour . 43g36.2.6 Sx Association Setup Procedure . 43g3ETSI ETSI TS 129 244 V14.0.0 (2017-07)53GPP TS 29.244 version 14.0.0 Release 146.2.6.1
29、 General 43g36.2.6.2 Sx Association Setup Initiated by the CP Function. 43g36.2.6.2.1 CP Function Behaviour . 43g36.2.6.2.2 UP Function behaviour 44g36.2.6.3 Sx Association Setup Initiated by the UP Function 44g36.2.6.3.1 UP Function Behaviour . 44g36.2.6.3.2 CP Function Behaviour . 44g36.2.7 Sx Ass
30、ociation Update Procedure . 44g36.2.7.1 General 44g36.2.7.2 Sx Association Update Procedure Initiated by the CP Function . 45g36.2.7.2.1 CP Function Behaviour . 45g36.2.7.2.2 UP Function Behaviour . 45g36.2.7.3 Sx Association Update Procedure Initiated by UP Function . 45g36.2.7.3.1 UP Function Beha
31、viour . 45g36.2.7.3.2 CP Function Behaviour . 45g36.2.8 Sx Association Release Procedure 45g36.2.8.1 General 45g36.2.8.2 CP Function Behaviour . 45g36.2.8.3 UP Function behaviour . 46g36.2.9 Sx Node Report Procedure . 46g36.2.9.1 General 46g36.2.9.2 UP Function Behaviour . 46g36.2.9.3 CP Function be
32、haviour 46g36.3 Sx Session Related Procedures . 46g36.3.1 General 46g36.3.2 Sx Session Establishment Procedure 46g36.3.2.1 General 46g36.3.2.2 CP Function Behaviour . 46g36.3.2.3 UP Function Behaviour . 47g36.3.3 Sx Session Modification Procedure 47g36.3.3.1 General 47g36.3.3.2 CP Function behaviour
33、 47g36.3.3.3 UP Function Behaviour . 47g36.3.4 Sx Session Deletion Procedure . 48g36.3.4.1 General 48g36.3.4.2 CP Function Behaviour . 48g36.3.4.3 UP Function Behaviour . 48g36.3.5 Sx Session Report Procedure 48g36.3.5.1 General 48g36.3.5.2 UP Function Behaviour . 48g36.3.5.3 CP Function Behaviour .
34、 48g36.4 Reliable Delivery of PFCP Messages . 49g37 Messages and Message Formats . 49g37.1 Transmission Order and Bit Definitions . 49g37.2 Message Format . 49g37.2.1 General 49g37.2.2 Message Header 50g37.2.2.1 General Format . 50g37.2.2.2 PFCP Header for Node Related Messages 50g37.2.2.3 PFCP Head
35、er for Session Related Messages 51g37.2.2.4 Usage of the PFCP Header 51g37.2.2.4.1 General 51g37.2.2.4.2 Conditions for Sending SEID=0 in PFCP Header . 52g37.2.3 Information Elements . 52g37.2.3.1 General 52g37.2.3.2 Presence Requirements of Information Elements . 52g37.2.3.3 Grouped Information Ele
36、ments . 53g37.2.3.4 Information Element Type 53g37.3 Message Types . 54g37.4 Sx Node Related Messages 54g37.4.1 General 54g3ETSI ETSI TS 129 244 V14.0.0 (2017-07)63GPP TS 29.244 version 14.0.0 Release 147.4.2 Heartbeat Messages 55g37.4.2.1 Heartbeat Request . 55g37.4.2.2 Heartbeat Response . 55g37.4
37、.3 Sx PFD Management 55g37.4.3.1 Sx PFD Management Request. 55g37.4.3.2 Sx PFD Management Response 56g37.4.4 Sx Association messages 56g37.4.4.1 Sx Association Setup Request . 56g37.4.4.2 Sx Association Setup Response 57g37.4.4.3 Sx Association Update Request 57g37.4.4.4 Sx Association Update Respon
38、se 58g37.4.4.5 Sx Association Release Request . 58g37.4.4.6 Sx Association Release Response . 58g37.4.4.7 Sx Version Not Supported Response 58g37.4.5 Sx Node Report Procedure . 58g37.4.5.1 Sx Node Report Request . 58g37.4.5.1.1 General 58g37.4.5.1.2 User Plane Path Failure Report IE within Sx Node R
39、eport Request . 59g37.4.5.2 Sx Node Report Response . 59g37.4.5.2.1 General 59g37.4.6 Sx Session Set Deletion 59g37.4.6.1 Sx Session Set Deletion Request . 59g37.4.6.2 Sx Session Set Deletion Response 60g37.5 Sx Session Related Messages . 60g37.5.1 General 60g37.5.2 Sx Session Establishment Request
40、60g37.5.2.1 General 60g37.5.2.2 Create PDR IE within Sx Session Establishment Request 61g37.5.2.3 Create FAR IE within Sx Session Establishment Request 63g37.5.2.4 Create URR IE within Sx Session Establishment Request 64g37.5.2.5 Create QER IE within Sx Session Establishment Request 67g37.5.2.6 Crea
41、te BAR IE within Sx Session Establishment Request 70g37.5.3 Sx Session Establishment Response . 70g37.5.3.1 General 70g37.5.3.2 Created PDR IE within Sx Session Establishment Response 71g37.5.3.3 Load Control Information IE within Sx Session Establishment Response . 71g37.5.3.4 Overload Control Info
42、rmation IE within Sx Session Establishment Response . 72g37.5.4 Sx Session Modification Request . 72g37.5.4.1 General 72g37.5.4.2 Update PDR IE within Sx Session Modification Request . 75g37.5.4.3 Update FAR IE within Sx Session Modification Request . 76g37.5.4.4 Update URR IE within Sx Session Modi
43、fication Request 78g37.5.4.5 Update QER IE within Sx Session Modification Request 81g37.5.4.6 Remove PDR IE within Sx Session Modification Request . 82g37.5.4.7 Remove FAR IE within Sx Session Modification Request . 83g37.5.4.8 Remove URR IE within Sx Session Modification Request 83g37.5.4.9 Remove
44、QER IE Sx Session Modification Request 83g37.5.4.10 Query URR IE within Sx Session Modification Request 83g37.5.4.11 Update BAR IE within Sx Session Modification Request 84g37.5.4.12 Remove BAR IE within Sx Session Modification Request 84g37.5.5 Sx Session Modification Response . 84g37.5.5.1 General
45、 84g37.5.5.2 Usage Report IE within Sx Session Modification Response . 85g37.5.6 Sx Session Deletion Request 86g37.5.7 Sx Session Deletion Response 86g37.5.7.1 General 86g37.5.7.2 Usage Report IE within Sx Session Deletion Response 87g37.5.8 Sx Session Report Request . 88g37.5.8.1 General 88g37.5.8.
46、2 Downlink Data Report IE within Sx Session Report Request . 88g37.5.8.3 Usage Report IE within Sx Session Report Request . 89g37.5.8.4 Error Indication Report IE within Sx Session Report Request . 90g3ETSI ETSI TS 129 244 V14.0.0 (2017-07)73GPP TS 29.244 version 14.0.0 Release 147.5.9 Sx Session Re
47、port Response . 90g37.5.9.1 General 90g37.5.9.2 Update BAR IE within Sx Session Report Response 90g37.6 Error Handling 91g37.6.1 Protocol Errors 91g37.6.2 Different PFCP Versions 92g37.6.3 PFCP Message of Invalid Length . 92g37.6.4 Unknown PFCP Message . 92g37.6.5 Unexpected PFCP Message 92g37.6.6 M
48、issing Information Elements 92g37.6.7 Invalid Length Information Element 93g37.6.8 Semantically incorrect Information Element 93g37.6.9 Unknown or unexpected Information Element . 93g37.6.10 Repeated Information Elements 93g38 Information Elements . 94g38.1 Information Elements Format. 94g38.1.1 Inf
49、ormation Element Format. 94g38.1.2 Information Element Types 95g38.2 Information Elements . 100g38.2.1 Cause 100g38.2.2 Source Interface 103g38.2.3 F-TEID 103g38.2.4 PDN Instance 104g38.2.5 SDF Filter . 104g38.2.6 Application ID 105g38.2.7 Gate Status 106g38.2.8 MBR . 106g38.2.9 GBR 107g38.2.10 QER Correlation ID 107g38.2.11 Precedence 107g38.2.12 DL Transport Level Marking 108g38.2.13 Volume Threshold 108g38.2.14 Time Threshold . 108g38.2.15 Monitoring Time . 109g38.2.16 Subsequent Volume Threshold . 109g38.2.17 Subsequent Time Threshold . 110g38.2.18 Inactivity Detection
