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19、 CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. 3GPP2 X.S0057-B v2.0 REVISION HISTORY Revision Description of Changes Date Rev 0 v1.0 Initial publication (3GPP Rel 8 alignment) April 2009 Rev 0 v2.0 Revision 0 Version 2.0 December 2009 Rev 0 v3.0 Revision 0 Version 3.0 September 20
20、10 Rev A v1.0 Revision A (3GPP Rel 9 alignment) April 2011 Rev A v2.0 Revision A Version 2.0 October 2012 Rev B v1.0 Revision B (3GPP Rel 10 alignment) October 2012 Rev B v2.0 Revision B (3GPP Rel 10 and later releases alignment) July 2014 3GPP2 X.S0057-B v2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
21、17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 i E-UTRAN - eHRPD Connectivity and Interworking: Core Network Aspects CONTENTS 1 Introduction 1 1.1 Scope 1 1.2 Document Convention . 1 1.3 References 2 1.3.1 Normative Refer
22、ences . 2 2 Definitions, Symbols and Abbreviations 8 2.1 Definitions . 8 2.1.1 Symbols and Abbreviations . 11 3 E-UTRAN - eHRPD Connectivity and Interworking Architecture 14 3.1 E-UTRAN eHRPD Interworking Non-Roaming Architecture 14 3.2 E-UTRAN eHRPD Interworking Roaming Architecture (Home-Routed Tr
23、affic) 15 3.3 E-UTRAN eHRPD Interworking Roaming Architecture (Local Breakout) 16 3.4 Reference Points 17 3.4.1 H1/H2 Reference Points 17 3.4.2 Gxa Reference Point 17 3.4.3 Pi* Reference Point . 17 3.4.4 S101 Reference Point 17 3.4.5 S103 Reference Point 17 3.4.6 S2a Reference Point . 17 3.4.7 STa R
24、eference Point 18 3.5 Protocol Stacks Between the UE and the HSGW 19 3.5.1 User Plane 19 3.5.2 Control Plane . 23 3.6 H1/H2 Interface Protocol Stacks 25 3.7 Control Plane HSGW to P-GW PMIPv6 27 4 eHRPD Functionality . 28 4.1 General HSGW Capabilities 28 4.2 Authentication and Subscription Informatio
25、n Retrieval 29 4.2.1 EAP Protocol Negotiation . 29 4.2.2 UE Requirements . 30 4.2.3 HSGW Requirements 31 4.2.4 3GPP AAA Server Requirements 32 4.2.5 Authentication Call Flows . 32 4.3 Use of EAP-AKA Fast Re-Authentication 36 4.4 IP Address Allocation 36 4.4.1 General 36 4.4.2 IPv4 Address Allocation
26、 during Default and Additional PDN Connection Establishment 42 4.4.3 IPv6 Prefix Allocation via IPv6 Stateless Address Auto-configuration 42 3GPP2 X.S0057-B v2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
27、50 51 52 53 54 55 56 57 58 ii 4.4.4 IPv4 Address Allocation in eHRPD Access using DHCPv4 43 4.4.5 IPv6 Prefix Delegation via DHCPv6 . 44 4.4.6 Call Flows 45 4.5 Quality of Service 58 4.5.1 The EPS Bearer with PMIP-based S2a and eHRPD Access . 59 4.5.2 Mapping Parameters for Multi-PDN connectivity .
28、61 4.5.3 Network Initiated Dedicated Bearer Procedures for eHRPD Access. 61 4.5.4 UE Initiated Dedicated Bearer Procedures for eHRPD . 65 4.6 Policy and Charging . 70 4.6.1 Application of 3GPP PCC to the HSGW . 70 4.6.2 3GPP Gxa Interface (Diameter) . 71 4.6.3 Charging 72 4.6.4 Policy interworking D
29、uring Handoffs . 72 4.6.5 Priority and Conflict Resolution 72 4.6.6 Mapping between 3GPP QoS parameters and eHRPD QoS Parameters . 73 4.6.7 Application of 3GPP PCC to the eHRPD Access Network . 74 4.7 S103 Interface: S-GW HSGW 74 4.7.1 S103 Protocol Stack . 74 4.7.2 S103 Procedures 74 4.8 PPP/VSNCP
30、Renegotiation 75 4.9 MUPSAP Support for eHRPD . 75 4.9.1 PDN Connection Setup and Teardown Procedure . 75 4.9.2 Quality of Service - MUPSAP . 76 4.10 Emergency Session Support . 77 4.10.1 Overview 77 4.10.2 Architecture Reference Model for Emergency Services 78 4.10.3 P-GW Selection Function (3GPP2
31、Accesses) for Emergency Services. 78 4.10.4 QoS for Emergency Services . 78 4.10.5 PCC for Emergency Services 79 4.10.6 IP Address Allocation for Emergency Services . 79 4.10.7 Handling of PDN Connections for Emergency Bearer Services 79 4.10.8 PDN Connection Establishment Procedures for Emergency S
32、ervices . 79 4.10.9 Bearer Procedures for Emergency Services . 90 4.10.10 Handoff Procedures for Emergency Services 97 4.11 Header Compression 105 4.11.1 ROHC Support. 105 4.12 Improved Non-Optimized Handoff 105 4.12.1 UE Partial Context Establishment . 106 4.13 APN Congestion Control . 107 4.14 3GP
33、P2 MAPCON Support . 107 4.15 3GPP2 SIPTO Support . 108 4.16 3GPP2 IFOM Support 108 5 S2a Interface from the HSGW to the P-GW 110 5.1 Protocol Definition . 110 5.2 HSGW Requirements . 110 3GPP2 X.S0057-B v2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
34、 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 iii 5.2.1 PMIPv6 Triggers . 110 5.2.2 PMIPv6 Registration Process 112 5.2.3 PMIPv6 Revocation Support . 112 5.3 P-GW Requirements 112 5.4 Call Flows 112 5.4.1 S2a Connection Establishment with the Default PDN. 112 5.4.2 S2a Con
35、nection Release 115 5.4.3 S2a Additional PDN Connection Establishment . 116 5.4.4 S2a Connection Movement at Handoff . 116 5.4.5 S2a Connection Release at De-Registration 116 6 Interface between the HSGW and the AAA . 117 6.1 HSGW and 3GPP2 AAA Proxy/Server . 117 6.2 3GPP2 AAA Proxy and 3GPP AAA Ser
36、ver 118 6.3 Pi*3GPP2 Diameter Application . 118 6.3.1 Inter-HSGW handoff procedure 121 6.3.2 Subscriber QoS Profile Configuration Procedure 123 7 Gxa Interface between the HSGW and the PCRF 125 7.1 Protocol Definition 125 7.2 Stage 2 Flows . 125 7.2.1 Initial Attachment over S2a . 126 7.3 Gxa Refere
37、nce Point Stage 3 127 8 A11 Interface between the HSGW and the eAN/ePCF 128 9 Interface between the HSGW and the UE 129 9.1 Main Service Connection between the UE and the HSGW . 130 9.1.1 Establishment of a Main Service Connection 130 9.1.2 HSGW-UE Link Layer Encapsulation 130 9.1.3 PPP-Based Main S
38、ervice Connection 131 9.1.4 3GPP2 Vendor Specific Network Control Protocol (VSNCP) Packet for PDN Connectivity 131 9.1.5 3GPP2 Vendor Specific Network Protocol (VSNP) Packet Format 143 9.1.6 RSVP Protocol . 144 9.1.7 Always On Service in eHRPD . 157 9.1.8 PPP Link Maintenance 158 9.1.9 HSGW Requirem
39、ents for UE Context Maintenance . 160 9.1.10 Version Indication . 161 9.1.11 Capability Indication . 161 9.1.12 IPCP Handling . 161 9.2 Auxiliary Service Connections between the UE and the HSGW . 162 9.2.1 PDN Identifier Description 163 9.3 Use of the VSNCP Protocol . 164 9.3.1 UE Requested PDN Conn
40、ectivity 164 9.4 Non-Optimized E-UTRAN to eHRPD Handoff Requirements . 165 9.5 Stale PDN Handling . 165 3GPP2 X.S0057-B v2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 iv 9.6 3GP
41、P2 Vendor Specific Extension for LCP Echo-Request packet 166 9.6.1 Information Elements for LCP Echo-Request packet 167 10 Session Release Call Flows 168 10.1 UE Initiated Release procedures 168 10.1.1 UE-Requested PDN Disconnection Procedure 168 10.1.2 UE-Initiated Detach Procedure 170 10.2 Network
42、 Initiated UE Detach . 172 10.2.1 HSS/AAA Initiated UE Detach . 172 10.2.2 HSGW Initiated UE Detach . 174 10.3 Network Initiated PDN Disconnection 176 10.3.1 HSS/AAA Initiated PDN Disconnection After Re-authorization 176 10.3.2 P-GW Initiated PDN Disconnection 178 10.3.3 HSGW Initiated PDN Disconnec
43、tion 180 10.3.4 HSGW Initiated PDN Disconnect for SIPTO Support After Inter-HSGW Context Transfer 182 10.3.5 P-GW Initiated Resource Deactivation 183 10.4 3GPP2 Mobile IPv6 Mobility Options . 185 10.4.1 3GPP2-Reconnect-Indication 185 11 Inter-HSGW Mobility Procedures 186 11.1 Intra-eHRPD Handoff wit
44、h HSGW Relocation using Context Transfer 187 11.1.1 Handoff when the UE is Active on the eHRPD Radio 187 11.1.2 Handoff when the UE is Dormant on the eHRPD Radio . 192 11.2 Intra-eHRPD Handoff with HSGW Relocation without Context Transfer 195 11.3 Inter-HSGW Stage 3 197 11.3.1 Inter-HSGW Tunnel Esta
45、blishment . 197 11.3.2 HSGW Requirements 197 11.3.3 H1 Context Parameter TLVs . 198 11.3.4 H2 Stage 3 217 11.3.5 HSGW Relocation Procedure Stage 3 . 219 12 Handoff from E-UTRAN to eHRPD 223 12.1 Optimized Handoff E-UTRAN to eHRPD . 224 12.1.1 eHRPD Pre-registration via E-UTRAN 224 12.1.2 Active Mode
46、 Optimized Handoff Phase E-UTRAN to eHRPD 227 12.1.3 Idle Mode Optimized Handoff from E-UTRAN to eHRPD . 230 12.2 Non-Optimized Handoff 232 12.2.1 Non-Optimized Handoff from E-UTRAN to eHRPD Partial Context 232 12.2.2 Non-Optimized Handoff Null HSGW Context . 235 12.2.3 Non-Optimized Handoff: No Exi
47、sting eHRPD Session 237 13 Handoff from eHRPD to E-UTRAN 239 13.1 Non-Optimized Idle Handoff from eHRPD to E-UTRAN. 239 13.2 Non-Optimized Redirected Handoff from eHRPD to E-UTRAN 241 14 BCMCS Support over eHRPD . 242 3GPP2 X.S0057-B v2.0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2
48、4 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 v 15 Subscriber QoS Profile Configuration Procedure 243 15.1 General . 243 15.2 Subscriber QoS Profile Information Retrieval During Authentication . 244 15.3 Subscriber QoS Profile Information Ret
49、rieval Intra-eHRPD Handoff with HSGW Relocation with Context Transfer 245 15.4 Subscriber QoS Profile Information Attributes 246 15.4.1 Behavior of the HSGW 249 15.4.2 Behavior of the 3GPP2 AAA Proxy/Server 250 15.4.3 Result-Code and Experimental-Result AVP values. 251 15.4.4 AVPs 252 15.4.5 Service-Option-Profile . 253 15.4.6 Maximum-Authorized-Aggregate-Bandwidth-for-Best-Effort-Traffic . 253 15.4.7 Authorized-Flow-Profile-IDs-for-the-User 253 15.4.8 Inter-User-Priority . 253 15.4.9 Maximum-Per-Flow-Priority-for-the-User 254 15.4.10 ProfileID-Forward . 254 15.4.1
