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ETSI Standard
Telecommunications and Internet converged Services and
Protocols for Advanced Networking (TISPAN);
Resource and Admission Control Sub-System (RACS):
Functional Architecture
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2 ETSI ES 282 003 V3.4.1 (2009-09)
Reference
RES/TISPAN-02072-NGN-R3
Keywords
architecture, control, system
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3 ETSI ES 282 003 V3.4.1 (2009-09)
Contents
Intellectual Property Rights . 10
Foreword . 10
1 Scope . 11
2 References . 11
2.1 Normative references . 11
2.2 Informative references . 12
3 Definitions and abbreviations . 12
3.1 Definitions . 12
3.2 Abbreviations . 14
4 General description of RACS . 16
4.1 Functional overview . 16
4.1.1 Global description . 16
4.1.2 Basic functionalitie s . 16
4.1.3 Restrictions applicable to the present document . 17
4.2 Functional Requirements . 17
4.2.1 R1 Requirements . 17
4.2.1.1 Overall . 17
4.2.1.2 Transport Control Service Requests . 17
4.2.1.3 Resource Handling . 18
4.2.1.4 QoS Management . 19
4.2.1.5 Traffic Handling . 19
4.2.1.6 Charging and Overload Control . 20
4.2.2 R2 Requirements . 20
4.2.2.1 Overall . 20
4.2.2.2 Resource Handling . 20
4.2.2.3 QoS Management . 20
4.2.2.4 e2e QoS Handling . 21
4.2.2.5 Multicast/Unicast Handling . 21
4.2.2.6 Topology and Resource Information Retrieval . 21
4.2.2.7 Network Deployment Scenarios . 22
4.2.2.8 Charging and Overload Control . 22
4.2.3 R3 Requirements . 22
4.2.3.1 Interaction with the CPN . 22
4.2.3.1.1 Direct control by RACS . 22
5 RACS functional architecture derivation basis . 22
5.1 Resource Control for Unicast and Multicast . 23
5.1.1 Resource control scenarios . 23
5.1.1.1 Identification of Resources . 23
5.1.1.2 Multicast Resource Admission Decision Specifics . 24
5.1.1.3 Resource Admission Decision Prerequisites . 24
5.1.1.4 Resource Admission Control Approaches . 25
5.1.1.5 Multicast Resource Admission Control in the Access Network Domain Transport Nodes . 25
5.1.1.6 Unicast/Multicast Resource Reuse in the Access Segment . 25
5.2 Charging . 26
5.3 QoS Management Functions in Fixed Access Networks. 26
5.4 Resource Control for QoS Downgrading . 28
6 RACS functional architecture definition . 29
6.1 General . 29
6.2 Functional elements . 31
6.2.1 SPDF . 31
6.2.1.1 SPDF main functions . 31
6.2.1.2 Summary of SPDF Elementary Functions . 31
6.2.1.3 Reference points . 33
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4 ETSI ES 282 003 V3.4.1 (2009-09)
6.2.1.4 User profile . 33
6.2.1.5 Priority . 33
6.2.1.6 Service request . 34
6.2.1.7 Coordination function . 34
6.2.1.8 Charging . 35
6.2.1.9 Deployment considerations . 35
6.2.1.10 Overload control . 35
6.2.1.11 Discovery mechanism . 35
6.2.2 Generic Resource Admission Control Function . 35
6.2.2.1 Main functions . 35
6.2.2.1.1 Specializations of x-RACF . 36
6.2.2.1.2 Reference points applicable to different specializations of x-RACF . 36
6.2.2.1.3 Multiple instantiations of x-RACF . 36
6.2.2.2 Summary of generic Resource Admission Control Function Elementary Functions . 37
6.2.2.3 A-RACF . 39
6.2.2.3.1 A-RACF main functions . 39
6.2.2.3.2 Reference points . 39
6.2.2.4 C-RACF . 40
6.2.2.4.1 C-RACF main functions . 40
6.2.2.4.2 Reference points . 40
6.2.2.5 Admission control process . 40
6.2.2.5.1 A-RACF . 40
6.2.2.5.2 C-RACF. 42
6.2.2.6 Installation of policies . 42
6.2.2.7 Charging . 43
6.2.2.8 Abnormal condition handling. 43
6.2.2.9 Deployment considerations . 43
6.2.2.10 Overload control . 43
6.2.2.11 Discovery Mechanism . 43
6.2.3 BGF . 43
6.2.3.1 BGF main functions . 43
6.2.3.2 BGF parameters . 44
6.2.3.3 Reference points . 44
6.2.3.4 Addressing latching . 44
6.2.3.5 Abnormal conditions handling . 44
6.2.3.6 Overload control . 44
6.2.4 RCEF . 45
6.2.4.1 RCEF main functions . 45
6.2.4.2 Reference points . 45
6.2.4.3 RCEF parameters . 45
6.2.5 Application Function (AF) . 45
6.2.5.1 AF main functions . 45
6.2.5.2 Reference points . 46
6.2.5.3 Charging . 47
6.2.5.4 Abnormal conditions handling . 47
6.2.6 BTF . 47
6.3 RACS reference points . 47
6.3.1 Rq reference point (SPDF - x-RACF). 47
6.3.1.1 Functional requirements . 47
6.3.1.1.1 Resource management mechanisms . 47
6.3.1.1.2 Service model . 48
6.3.1.1.3 Duration semantics . 48
6.3.1.1.4 Audit and synchronization support . 49
6.3.1.1.5 Report facilities for unsolicited events . 49
6.3.1.2 Non-functional requirements. 49
6.3.1.2.1 Reliability requirements . 49
6.3.1.2.2 Security requirements . 49
6.3.1.3 Information exchanged over the Rq Reference Point . 49
6.3.1.3.1 Resource Reservation Request . 49
6.3.1.3.2 Resource Modification Request . 51
6.3.1.3.3 Resource Request/Modification Confirmation . 52
6.3.1.3.4 Resource Release Request . 52
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5 ETSI ES 282 003 V3.4.1 (2009-09)
6.3.1.3.5 Abort Resource Reservation . 52
6.3.2 e4 reference point (A-RACF - NASS) . 53
6.3.3 Ia Reference Point (SPDF - BGF) . 53
6.3.3.1 Functional Requirements . 53
6.3.3.1.1 Control of NAT, Hosted NAT traversal and Gating . 53
6.3.3.1.2 Transport Protocol Type Policing . 53
6.3.3.1.3 Bandwidth control . 53
6.3.3.1.4 QoS marking . 53
6.3.3.1.5 Usage metering and statistics reporting . 53
6.3.3.1.6 Resource state synchronization . 54
6.3.3.2 Non-Functional Requirements . 54
6.3.3.2.1 Reliability requirements . 54
6.3.3.2.2 Security requirements . 54
6.3.3.3 Information exchanged over the Ia Reference Point . 54
6.3.3.3.1 BGF Service Request . 54
6.3.3.3.2 BGF Service Confirmation . 57
6.3.3.3.3 BGF Service Modify Request . 58
6.3.3.3.4 BGF Service Modify Confirmation . 59
6.3.3.3.5 BGF Service Audit Request . 60
6.3.3.3.6 BGF Service Audit Response . 61
6.3.3.3.7 BGF Service Notify Request . 62
6.3.3.3.8 BGF Service Notify Indication . 63
6.3.3.3.9 BGF Service Release Request . 63
6.3.3.3.10 BGF Service Release Confirmation. 64
6.3.4 Gq' Reference Point (AF - SPDF) . 65
6.3.4.1 Functional Requirements . 65
6.3.4.2 Non-Functional Requirements . 65
6.3.4.3 Information exchanged over the Gq' Reference Point . 65
6.3.5 Ri' Reference Point (SPDF-SPDF inter-domain) . 66
6.3.5.1 Functional Requirements . 66
6.3.5.1.1 Resource management mechanisms . 66
6.3.5.1.2 Service model . 66
6.3.5.1.3 Duration semantics . 66
6.3.5.1.4 Audit and Synchronization support . 67
6.3.5.1.5 Report facilities for unsolicited events . 67
6.3.5.2 Non-Functional Requirements . 67
6.3.5.2.1 Reliability requirements . 67
6.3.5.2.2 Security requirements . 67
6.3.5.3 Information exchanged over the Ri' Reference Point . 67
6.3.6 Rd' Reference Point (SPDF-SPDF intra-domain) . 67
6.3.6.1 Functional Requirements . 67
6.3.6.1.1 Resource management mechanisms . 67
6.3.6.1.2 Service model . 67
6.3.6.1.3 Duration semantics . 68
6.3.6.1.4 Audit and Synchronization support . 68
6.3.6.1.5 Report facilities for unsolicited events . 68
6.3.6.2 Non-Functional Requirements . 68
6.3.6.2.1 Reliability requirements . 68
6.3.6.2.2 Security requirements . 68
6.3.6.3 Information exchanged over the Rd' Reference Point . 68
6.3.7 Re Reference Point (x-RACF - RCEF) . 68
6.3.7.1 Functional Requirements . 68
6.3.7.1.1 Policy Enforcement Management. 68
6.3.7.2 Non-functional requirements. 69
6.3.7.2.1 Reliability requirements . 69
6.3.7.2.2 Security requirements . 69
6.3.7.3 Information exchanged over the Re Reference Point . 70
6.3.7.3.1 Information exchanged by using the push mode . 70
6.3.7.3.2 Information exchanged by using the pull mode . 76
6.3.7.3.3 Information exchanged by using both QoS mechanisms . 83
6.3.8 Rr Reference Point (x-RACF - x-RACF intra-domain) . 84
6.3.8.1 Functional Requirements . 84
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6 ETSI ES 282 003 V3.4.1 (2009-09)
6.3.8.1.1 Overall features .
...