ETSI ES 282 003-2011 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Resource and Admission Control Sub-System (RACS) Functional A.pdf

1、 ETSI ES 282 003 V3.5.1 (2011-04)ETSI Standard Telecommunications and Internet converged Services andProtocols for Advanced Networking (TISPAN);Resource and Admission Control Sub-System (RACS):Functional ArchitectureETSI ETSI ES 282 003 V3.5.1 (2011-04) 2Reference RES/TISPAN-02084-NGN-R3 Keywords ar

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8、e Marks registered and owned by the GSM Association. ETSI ETSI ES 282 003 V3.5.1 (2011-04) 3Contents Intellectual Property Rights 10g3Foreword . 10g31 Scope 11g32 References 11g32.1 Normative references . 11g32.2 Informative references 12g33 Definitions and abbreviations . 12g33.1 Definitions 12g33.

9、2 Abbreviations . 14g34 General description of RACS . 16g34.1 Functional overview . 16g34.1.1 Global description. 16g34.1.2 Basic functionalities 16g34.1.3 Restrictions applicable to the present document . 17g34.2 Functional Requirements 17g34.2.1 R1 Requirements 17g34.2.1.1 Overall . 17g34.2.1.2 Tr

10、ansport Control Service Requests 17g34.2.1.3 Resource Handling 18g34.2.1.4 QoS Management 19g34.2.1.5 Traffic Handling 19g34.2.1.6 Charging and Overload Control 19g34.2.2 R2 Requirements 19g34.2.2.1 Overall . 20g34.2.2.2 Resource Handling 20g34.2.2.3 QoS Management 20g34.2.2.4 e2e QoS Handling . 21g

11、34.2.2.5 Multicast/Unicast Handling 21g34.2.2.6 Topology and Resource Information Retrieval . 21g34.2.2.7 Network Deployment Scenarios 21g34.2.2.8 Charging and Overload Control 22g34.2.3 R3 Requirements 22g34.2.3.1 Interaction with the CPN . 22g34.2.3.1.1 Direct control by RACS 22g35 RACS functional

12、 architecture derivation basis 22g35.1 Resource Control for Unicast and Multicast 22g35.1.1 Resource control scenarios . 23g35.1.1.1 Identification of Resources . 23g35.1.1.2 Multicast Resource Admission Decision Specifics . 23g35.1.1.3 Resource Admission Decision Prerequisites . 23g35.1.1.4 Resourc

13、e Admission Control Approaches 24g35.1.1.5 Multicast Resource Admission Control in the Access Network Domain Transport Nodes 24g35.1.1.6 Unicast/Multicast Resource Reuse in the Access Segment . 25g35.2 Charging . 25g35.3 QoS Management Functions in Fixed Access Networks 25g35.4 Resource Control for

14、QoS Downgrading . 27g36 RACS functional architecture definition 28g36.1 General . 28g36.2 Functional elements 30g36.2.1 SPDF . 30g36.2.1.1 SPDF main functions 30g36.2.1.2 Summary of SPDF Elementary Functions 30g36.2.1.3 Reference points 32g3ETSI ETSI ES 282 003 V3.5.1 (2011-04) 46.2.1.4 User profile

15、 . 32g36.2.1.5 Priority 32g36.2.1.6 Service request 33g36.2.1.7 Coordination function . 33g36.2.1.8 Charging 34g36.2.1.9 Deployment considerations . 34g36.2.1.10 Overload control . 34g36.2.1.11 Discovery mechanism . 34g36.2.2 Generic Resource Admission Control Function . 34g36.2.2.1 Main functions 3

16、4g36.2.2.1.1 Specializations of x-RACF 35g36.2.2.1.2 Reference points applicable to different specializations of x-RACF . 35g36.2.2.1.3 Multiple instantiations of x-RACF 35g36.2.2.2 Summary of generic Resource Admission Control Function Elementary Functions 36g36.2.2.3 A-RACF 38g36.2.2.3.1 A-RACF ma

17、in functions 38g36.2.2.3.2 Reference points 38g36.2.2.4 C-RACF 39g36.2.2.4.1 C-RACF main functions 39g36.2.2.4.2 Reference points 39g36.2.2.5 Admission control process 39g36.2.2.5.1 A-RACF 39g36.2.2.5.2 C-RACF. 41g36.2.2.6 Installation of policies . 41g36.2.2.7 Charging 42g36.2.2.8 Abnormal conditio

18、n handling 42g36.2.2.9 Deployment considerations . 42g36.2.2.10 Overload control . 42g36.2.2.11 Discovery Mechanism . 42g36.2.3 BGF 42g36.2.3.1 BGF main functions 42g36.2.3.2 BGF parameters 43g36.2.3.3 Reference points 43g36.2.3.4 Addressing latching . 43g36.2.3.5 Abnormal conditions handling 43g36.

19、2.3.6 Overload control . 43g36.2.4 RCEF 44g36.2.4.1 RCEF main functions 44g36.2.4.2 Reference points 44g36.2.4.3 RCEF parameters 44g36.2.5 Application Function (AF) 44g36.2.5.1 AF main functions . 44g36.2.5.2 Reference points 45g36.2.5.3 Charging 46g36.2.5.4 Abnormal conditions handling 46g36.2.6 BT

20、F . 46g36.3 RACS reference points . 46g36.3.1 Rq reference point (SPDF - x-RACF). 46g36.3.1.1 Functional requirements 46g36.3.1.1.1 Resource management mechanisms 46g36.3.1.1.2 Service model 47g36.3.1.1.3 Duration semantics 47g36.3.1.1.4 Audit and synchronization support 48g36.3.1.1.5 Report facilit

21、ies for unsolicited events 48g36.3.1.2 Non-functional requirements. 48g36.3.1.2.1 Reliability requirements 48g36.3.1.2.2 Security requirements 48g36.3.1.3 Information exchanged over the Rq Reference Point 48g36.3.1.3.1 Resource Reservation Request 48g36.3.1.3.2 Resource Modification Request . 50g36.

22、3.1.3.3 Resource Request/Modification Confirmation 51g36.3.1.3.4 Resource Release Request . 51g3ETSI ETSI ES 282 003 V3.5.1 (2011-04) 56.3.1.3.5 Abort Resource Reservation 51g36.3.2 e4 reference point (A-RACF - NASS) 52g36.3.3 Ia Reference Point (SPDF - BGF) 52g36.3.3.1 Functional Requirements 52g36

23、.3.3.1.1 Control of NAT, Hosted NAT traversal and Gating 52g36.3.3.1.2 Transport Protocol Type Policing 52g36.3.3.1.3 Bandwidth control . 52g36.3.3.1.4 QoS marking 52g36.3.3.1.5 Usage metering and statistics reporting . 52g36.3.3.1.6 Resource state synchronization . 53g36.3.3.2 Non-Functional Requir

24、ements 53g36.3.3.2.1 Reliability requirements 53g36.3.3.2.2 Security requirements 53g36.3.3.3 Information exchanged over the Ia Reference Point . 53g36.3.3.3.1 BGF Service Request 53g36.3.3.3.2 BGF Service Confirmation 56g36.3.3.3.3 BGF Service Modify Request 57g36.3.3.3.4 BGF Service Modify Confirm

25、ation . 58g36.3.3.3.5 BGF Service Audit Request . 59g36.3.3.3.6 BGF Service Audit Response 60g36.3.3.3.7 BGF Service Notify Request . 61g36.3.3.3.8 BGF Service Notify Indication 62g36.3.3.3.9 BGF Service Release Request . 62g36.3.3.3.10 BGF Service Release Confirmation. 63g36.3.4 Gq Reference Point

26、(AF - SPDF) . 64g36.3.4.1 Functional Requirements 64g36.3.4.2 Non-Functional Requirements 64g36.3.4.3 Information exchanged over the Gq Reference Point . 64g36.3.5 Ri Reference Point (SPDF-SPDF inter-domain) 65g36.3.5.1 Functional Requirements 65g36.3.5.1.1 Resource management mechanisms 65g36.3.5.1

27、.2 Service model 65g36.3.5.1.3 Duration semantics 65g36.3.5.1.4 Audit and Synchronization support . 66g36.3.5.1.5 Report facilities for unsolicited events 66g36.3.5.2 Non-Functional Requirements 66g36.3.5.2.1 Reliability requirements 66g36.3.5.2.2 Security requirements 66g36.3.5.3 Information exchan

28、ged over the Ri Reference Point 66g36.3.6 Rd Reference Point (SPDF-SPDF intra-domain) . 66g36.3.6.1 Functional Requirements 66g36.3.6.1.1 Resource management mechanisms 66g36.3.6.1.2 Service model 66g36.3.6.1.3 Duration semantics 67g36.3.6.1.4 Audit and Synchronization support . 67g36.3.6.1.5 Report

29、 facilities for unsolicited events 67g36.3.6.2 Non-Functional Requirements 67g36.3.6.2.1 Reliability requirements 67g36.3.6.2.2 Security requirements 67g36.3.6.3 Information exchanged over the Rd Reference Point . 67g36.3.7 Re Reference Point (x-RACF - RCEF) . 67g36.3.7.1 Functional Requirements 67g

30、36.3.7.1.1 Policy Enforcement Management 67g36.3.7.2 Non-functional requirements. 68g36.3.7.2.1 Reliability requirements 68g36.3.7.2.2 Security requirements 68g36.3.7.3 Information exchanged over the Re Reference Point 69g36.3.7.3.1 Information exchanged by using the push mode . 69g36.3.7.3.2 Inform

31、ation exchanged by using the pull mode . 74g36.3.7.3.3 Information exchanged by using both QoS mechanisms . 81g36.3.8 Rr Reference Point (x-RACF - x-RACF intra-domain) 82g36.3.8.1 Functional Requirements 82g3ETSI ETSI ES 282 003 V3.5.1 (2011-04) 66.3.8.1.1 Overall features . 82g36.3.8.1.2 Resource m

32、anagement mechanisms 83g36.3.8.1.3 Service model 84g36.3.8.1.4 Duration semantics 84g36.3.8.1.5 Audit and Synchronization support . 84g36.3.8.1.6 Report facilities for unsolicited events 85g36.3.8.2 Non-Functional Requirements 85g36.3.8.2.1 Reliability requirements 85g36.3.8.2.2 Security requirement

33、s 85g36.3.8.3 Information exchanged over the Rr Reference Point 85g36.3.8.3.1 Information exchanged over the Rr Reference Point for request model 85g36.3.8.3.2 Information exchanged over the Rr Reference Point for delegated model 88g36.3.9 Rf Reference Point (SPDF-Charging Functions and x-RACF-Charg

34、ing Functions) 92g36.4 RACS Flows: Interaction Procedures . 92g36.4.1 Subscriber Attaches to the Access Network . 93g36.4.2 Request Resource 93g36.4.2.1 Request Resource by using the push mode . 93g36.4.2.1.1 Admission control using push mode when only one x-RACF is involved 93g36.4.2.1.2 Admission

35、control using push mode when multiple x-RACFs are involved . 95g36.4.2.2 Request Resource by using the pull mode . 98g36.4.2.2.1 Admission control using pull mode when only one x-RACF is involved . 98g36.4.2.2.2 Admission control using pull mode when multiple x-RACFs are involved 99g36.4.2.3 Request

36、 resource by combining push and pull mode 100g36.4.3 Request Resource Wholesale/Retail Scenario 103g36.4.3.1 Request Resource with access to the A-RACF in the retail domain . 103g36.4.3.2 Request Resource without access to the A-RACF in the retail domain 105g36.4.4 Release Resource 106g36.4.4.1 Rele

37、ase Resource Request by using the push mode 106g36.4.4.2 Release Resource Request by using the pull mode . 107g36.4.4.2.1 Resource Release using pull mode when only one x-RACF is involved . 107g36.4.4.2.2 Resource release using pull mode when multiple x-RACFs are involved . 108g36.4.5 Commit Resourc

38、es procedure . 110g36.4.6 Resource Modification Request 111g36.4.6.1 Resource Modification Request by using the push mode 111g36.4.6.2 Resource Modification Request by using the pull mode . 112g36.4.7 RACS Retrieves Access Profile from NASS 112g36.4.8 Subscriber Detaches from the access network 113g

39、36.4.9 Abnormal event from the RCEF . 115g36.4.10 Report of BGF Events. 116g36.4.11 Indication of a BGF Service Failure (Autonomous Release of BGF) . 116g3Annex A (informative): Binding Information in RACS, NASS and AF 118g3Annex B (informative): Policy nomenclature for RACS 119g3B.1 Overview 119g3B

40、.2 Policy Terminology 119g3B.2.1 Policy 119g3B.2.2 Conditions 119g3B.2.3 Actions . 119g3B.2.4 Events . 119g3B.3 Types of Policy . 120g3B.3.1 Authorization Policy. 120g3B.3.2 Obligation Policy 120g3B.3.3 Traffic Policy 120g3B.3.4 Control Policy 120g3Annex C (informative): Admission control scenarios

41、. 121g3C.1 Example of the handling of Connection Oriented network in the aggregation segment 121g3Annex D (informative): Network deployment scenarios . 122g3ETSI ETSI ES 282 003 V3.5.1 (2011-04) 7D.1 Resource control scenarios according to distribution of Service-based Policy Decision and Admission

42、Control Functions . 122g3D.1.1 Single NGN operator performs Service-based Policy Decision and Admission Control Functions 122g3D.1.1.1 Scenario Overview 122g3D.1.1.2 Business Need . 122g3D.1.1.3 Mapping to TISPAN Architecture: RACS requirements 123g3D.1.1.4 Technical Analysis 123g3D.1.1.4.1 Function

43、al Element Analysis 123g3D.1.1.4.2 Elementary Functions Analysis . 123g3D.1.1.4.3 Reference Point Analysis 123g3D.1.2 Service-based Policy Decision function handled in two domains 123g3D.1.2.1 Scenario Overview 123g3D.1.2.2 Business Need . 124g3D.1.2.3 Mapping to TISPAN Architecture: RACS requiremen

44、ts 124g3D.1.2.4 Technical Analysis 124g3D.1.2.4.1 Functional Element Analysis 124g3D.1.2.4.2 Elementary Functions Analysis . 124g3D.1.2.4.3 Reference Point Analysis 124g3D.1.3 Service-based Policy Decision and Admission Control functions distributed across two domains . 125g3D.1.3.1 Scenario Overvie

45、w 125g3D.1.3.2 Business Need . 125g3D.1.3.3 Mapping to TISPAN Architecture: RACS requirements 125g3D.1.3.4 Technical Analysis 126g3D.1.3.4.1 Functional Element Analysis 126g3D.1.3.4.2 Elementary Functions Analysis . 126g3D.1.3.4.3 Reference Point Analysis 126g3D.2 Resource control scenarios for Mult

46、icast and Unicast . 126g3D.2.1 Independent scenario - Unicast and Multicast admission control are separated . 126g3D.2.1.1 Scenario Overview 126g3D.2.1.2 Business Need . 126g3D.2.1.3 Mapping to TISPAN Architecture: RACS requirements 126g3D.2.1.4 Technical Analysis 127g3D.2.1.4.1 Functional Element A

47、nalysis 127g3D.2.1.4.2 Elementary Functions Analysis . 127g3D.2.1.4.3 Reference Point Analysis 127g3D.2.2 Synchronized Scenario . 127g3D.2.2.1 Scenario Overview 127g3D.2.2.2 Business Need . 127g3D.2.2.3 Mapping to TISPAN Architecture: RACS requirements 127g3D.2.2.4 Technical Analysis 127g3D.2.2.4.1

48、Functional Element Analysis 127g3D.2.2.4.2 Elementary Functions Analysis . 127g3D.2.2.4.3 Reference Point Analysis 128g3D.2.3 Integrated scenario - Integrated Unicast and Multicast Admission Control . 128g3D.2.3.1 Scenario Overview 128g3D.2.3.2 Business Need . 128g3D.2.3.3 Mapping to TISPAN Architec

49、ture: RACS requirements 128g3D.2.3.4 Technical Analysis 128g3D.2.3.4.1 Functional Element Analysis 128g3D.2.3.4.2 Elementary Functions Analysis . 128g3D.2.3.4.3 Reference Point Analysis 128g3D.3 Resource control scenario for Metro Network . 129g3D.3.1 Scenario Overview . 129g3D.3.2 Business Need 129g3D.3.3 Mapping to TISPAN Architecture: RACS requirements . 129g3D.3.4 Technical Analysis . 129g3D.3.4.1 Functional Element Analysis 129g3D.3.4.2 Elementary Functions Analysis 129g3D.3.4.3 Reference Point Analysis 130g3D.4 Resource control scenario for CPNs. 130g3ETSI ETSI ES 2