Content for TR 32.843 Word version: 13.0.0
2 References
3 Definitions, symbols and abbreviations
4 Study Phase 1
5 Study Phase 2
$ Change History
2 References p. 8
3 Definitions, symbols and abbreviations p. 10
4 Study Phase 1 p. 11
4.1 Baseline Architectures p. 11
4.1.1 Local Breakout Roaming Architecture p. 11
4.1.2 Mobile - Fixed Broadband Access Convergent scenario Roaming Architecture p. 13
4.2 Scenarios p. 14
4.2.1 Scenario A: IMS conversational video service over LTE - Roaming LBO p. 14
4.2.1.1 Description p. 14
4.2.1.2 Message Flow p. 15
4.2.1.3 Key issues #1 and #3 p. 26
4.2.1.3.1 Description p. 26
4.2.1.3.2 Current status p. 26
4.2.1.3.3 Alternative Solutions p. 26
4.2.1.3.3.1 Alternative Solution 1: Common RGs defined by VPLMN p. 26
4.2.1.3.3.2 Alternative Solution 2: Common RGs defined by HPLMN p. 27
4.2.1.3.3.3 Alternative Solution 3: S9 to be used as soon as Gy is needed p. 27
4.2.1.3.3.4 Alternative Solution 4: Definition of well-known RGs and beyond p. 28
4.2.1.3.3.5 Alternative Solution 5 - GSMA Standardization p. 28
4.2.1.3.4 Evaluation and recommendation p. 29
4.2.1.3.4.1 Evaluation p. 29
4.2.1.3.4.2 Recommendation p. 31
4.2.1.4 Key issues #2 and #4 p. 32
4.2.2 Scenario B: RCS File Transfer over LTE - Roaming LBO p. 32
4.2.2.1 Description p. 32
4.2.2.2 Message Flow p. 33
4.2.2.2.1 Introduction p. 33
4.2.2.2.2 UE Originating RCS File Transfer p. 33
4.2.2.2.3 GSMA RCS services p. 36
4.2.2.3 Key issues p. 36
4.2.3 Scenario C: Turn off data service in V-PLMN when subscribed usage threshold reached p. 36
4.2.4 Scenario D: non-IMS service provided from AF in HPLMN p. 38
4.2.5 Scenario E: Initial Attach in roaming LBO p. 41
4.2.5.1 Description p. 41
4.2.5.2 Message Flow p. 41
4.2.4.5.1 Introduction p. 41
4.2.4.5.2 Initial Attach p. 41
4.2.5.3 Key issues p. 42
4.2.6 Scenario F: non-IMS service provided from AF in VPLMN p. 43
4.2.7 Scenario G: generic scenario without S9 p. 45
4.2.8 Scenario H: 3GPP UE NSWO under Fixed Access in Mobile - Fixed Broadband Access Convergent p. 45
4.3 Solution for a dedicated Inter-PLMN PS Domain Online Charging profile p. 50
4.3.1 Scenario 1: Gy in Local Breakout Roaming Architecture p. 50
4.3.1.1 Requirements p. 50
4.3.1.2 Alternative dedicated profiles p. 50
4.3.1.2.1 Alternative 1 - Dedicated profile 1 - Gy LBO p. 50
4.3.1.2.2 Alternative 2 - Dedicated profile 2 - Gy LBO p. 61
4.3.1.2.2.1 Principles p. 61
4.3.1.2.2.2 Message flows p. 61
4.3.1.2.3 Evaluation and recommendation p. 61
4.3.1.3 Alternative solutions for dedicated profiles handling p. 61
4.3.2 Scenario 2: Gy in Mobile - Fixed Broadband Access Convergent Roaming Architecture p. 69
4.4 Inter-PLMN Diameter connection aspects p. 70
4.4.1 Key issue # 5 user's Home OCS determination p. 70
4.4.1.1 Description p. 70
4.4.1.2 Current status p. 70
4.4.1.3 Alternative Solutions p. 70
4.4.1.3.1 Alternative Solution1- based on Diameter Agent p. 70
4.4.1.3.2 Alternative Solution 2 - based on V-PCRF p. 71
4.4.1.3.2.1 Description p. 71
4.4.1.3.2.2 Discussion p. 71
4.4.1.4 Evaluation and recommendation p. 71
4.4.2 Key issue # 6 - AVP filtering p. 71
4.4.2.1 Description p. 71
4.4.2.2 Current status p. 72
4.4.2.3 Alternative Solutions p. 72
4.4.2.3.1 Alternative Solution1- AVP Blacklist p. 72
4.4.2.3.2 Alternative Solution 2 - GSMA Standardization p. 72
4.4.2.4 Evaluation and recommendation p. 72
4.4.3 Key issue # 7 - Security p. 72
4.4.3.1 Description p. 72
4.4.3.2 Current status p. 72
4.4.3.3 Alternative Solutions p. 72
4.4.3.4 Evaluation and recommendation p. 72
4.4.4 Key issue # 8 - Topology Hiding p. 73
4.4.4.1 Description p. 73
4.4.4.2 Current status p. 73
4.4.4.3 Alternative Solutions p. 73
4.4.4.4 Evaluation and recommendation p. 73
4.4.5 Key issue # 9 - Routing p. 73
4.5 Inter-Operator Charging p. 74
4.5.1 Key issue # 10 - Roaming LBO p. 74
4.5.1.1 Description p. 74
4.5.1.2 Current status p. 74
4.5.1.3 Alternative Solutions p. 74
4.5.1.3.1 Alternative Solution1- use of PGW CDRs p. 74
4.5.1.3.2 Alternative Solution2- use of SGW CDRs p. 74
4.5.1.4 Evaluation and recommendation p. 74
4.5.2 Key issue #11 - Roaming Mobile - Fixed Broadband Access Convergent p. 75
4.6 Conclusion and recommendations for phase 1 p. 75
5 Study Phase 2 p. 76
5.1 Baseline Architectures p. 76
5.1.1 Local Breakout Roaming Architecture p. 76
5.1.2 Mobile - Fixed Broadband Access Convergent scenario Roaming Architecture p. 77
5.2 Scenarios p. 77
5.2.1 Scenario I: Internet service (e.g. Peer to Peer) - Roaming LBO with TDF used for service detection and enforcement/charging control p. 77
5.2.1.1 Description p. 77
5.2.1.2 Message Flow p. 77
5.2.1.3 Key issue #1 p. 80
5.2.1.3.1 Description p. 80
5.2.1.3.2 Current status p. 80
5.2.1.3.3 Alternative Solutions p. 80
5.2.1.3.3.1 Alternative solutions 1-3 p. 80
5.2.1.3.3.2 Alternative Solution 4: Definition of well-known RGs and beyond p. 80
5.2.1.3.3.3 Alternative Solution 5 - Dedicated RG for application based charging p. 80
5.2.1.3.4 Evaluation and recommendation p. 81
5.2.1.3.4.1 Evaluation p. 81
5.2.1.3.4.2 Recommendation p. 81
5.2.1.4 Key issue #2 p. 81
5.3 Solution for a Dedicated Inter-PLMN PS Domain Online Charging profile in case of Gyn. p. 82
5.3.1 Scenario 1: Gyn in Local Breakout Roaming Architecture p. 82
5.3.1.1 Requirements p. 82
5.3.1.2 Alternative dedicated profiles p. 82
5.3.1.2.1 Alternative 1 - Dedicated profile 1 - Gyn LBO p. 82
5.3.1.2.2 Alternative 2 - Dedicated profile 2 - Gyn LBO p. 82
5.3.1.2.2.1 Principles p. 82
5.3.1.2.2.2 Message flows p. 82
5.3.1.2.3 Evaluation and recommendation p. 83
5.3.1.3 Alternative solutions for dedicated profiles handling p. 83
5.3.2 Scenario 2: Gyn in Mobile - Fixed Broadband Access Convergent Roaming Architecture p. 83
5.4 Inter-PLMN Diameter connection aspects p. 83
5.4.1 Key issue # 3 user's Home OCS determination p. 83
5.4.1.1 Description p. 83
5.4.1.2 Current status p. 83
5.4.1.3 Alternative Solutions p. 84
5.4.1.3.1 Alternative Solution1- based on Diameter Agent p. 84
5.4.1.3.2 Alternative Solution 2 - based on V-PCRF p. 84
5.4.1.3.3 Alternative Solution 3 - based on 3GPP CT3 alternative p. 84
5.4.1.4 Evaluation and recommendation p. 84
5.4.2 Key issue # 4 - AVP filtering p. 84
5.4.3 Key issue # 5 - Security p. 84
5.4.4 Key issue # 6 - Topology Hiding p. 84
5.4.5 Key issue # 7 - Routing p. 85
5.5 Inter-Operator Charging p. 85
5.5.1 Key issue # 8 - Roaming LBO p. 85
5.5.1.1 Description p. 85
5.5.1.2 Current status p. 85
5.5.1.3 Alternative Solutions p. 85
5.5.1.3.1 Alternative Solution1- use of PGW CDRs p. 85
5.5.1.3.2 Alternative Solution2- use of SGW CDRs p. 85
5.5.1.3.3 Alternative Solution3- use of TDF CDRs p. 85
5.5.1.4 Evaluation and recommendation p. 86
5.5.2 Key issue #9 - Roaming Mobile - Fixed Broadband Access Convergent p. 86
5.6 Conclusion and recommendations for phase 2 p. 86
$ Change History p. 88
