Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) - Resource and Admission Control Sub-System (RACS) - Functional Architecture

The present document describes the functional architecture of the Resource and Admission Control Subsystem (RACS), for TISPAN NGN Release 3, in line with the service requirements described in TS 181 005 [1], in line with the QoS Requirements described in TS 181 018 [13] and its role in the TISPAN NGN architecture as defined in ES 282 001 [2]. It specifies as well high level stage 2 requirements that are also considered when describing its functional operation.

Zlite telekomunikacijske in internetne storitve ter protokoli za napredno omreženje (TISPAN) - Podsistem za krmiljenje vira in pristopa (RACS) - Funkcijska arhitektura

Ta dokument opisuje funkcijsko arhitekturo podsistema za krmiljenje vira in pristopa (RACS) za 3. izdajo TISPAN NGN v skladu z zahtevami za storitve, opisanimi v TS 181 005 [1], v skladu z zahtevami QoS, opisanimi v TS 181 018 [13], in vlogo v arhitekturi TISPAN NGN, kot jo opredeljuje ES 282 001 [2]. Določa tudi zahteve visoke ravni stopnje 2, ki se prav tako upoštevajo pri opisu funkcijskega delovanja.

General Information

Status
Published
Publication Date
05-Jun-2011
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-May-2011
Due Date
08-Jul-2011
Completion Date
06-Jun-2011

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SLOVENSKI STANDARD
SIST ES 282 003 V3.5.1:2011
01-julij-2011

Zlite telekomunikacijske in internetne storitve ter protokoli za napredno omreženje

(TISPAN) - Podsistem za krmiljenje vira in pristopa (RACS) - Funkcijska arhitektura

Telecommunications and Internet converged Services and Protocols for Advanced
Networking (TISPAN) - Resource and Admission Control Sub-System (RACS) -
Functional Architecture
Ta slovenski standard je istoveten z: ES 282 003
ICS:
33.040.01 Telekomunikacijski sistemi Telecommunication systems
na splošno in general
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
SIST ES 282 003 V3.5.1:2011 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ES 282 003 V3.5.1:2011
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SIST ES 282 003 V3.5.1:2011
ETSI ES 282 003 V3.5.1 (2011-04)
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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SIST ES 282 003 V3.5.1:2011
2 ETSI ES 282 003 V3.5.1 (2011-04)
Reference
RES/TISPAN-02084-NGN-R3
Keywords
architecture, control, system
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ETSI
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SIST ES 282 003 V3.5.1:2011
3 ETSI ES 282 003 V3.5.1 (2011-04)
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 ............................................................................................................ 19

4.2.2 R2 Requirements ........................................................................................................................................ 19

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 ............................................................................................................ 21

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 .................................................................................................... 22

5.1.1 Resource control scenarios ......................................................................................................................... 23

5.1.1.1 Identification of Resources ................................................................................................................... 23

5.1.1.2 Multicast Resource Admission Decision Specifics ............................................................................... 23

5.1.1.3 Resource Admission Decision Prerequisites ......................................................................................... 23

5.1.1.4 Resource Admission Control Approaches ............................................................................................ 24

5.1.1.5 Multicast Resource Admission Control in the Access Network Domain Transport Nodes .................. 24

5.1.1.6 Unicast/Multicast Resource Reuse in the Access Segment ................................................................... 25

5.2 Charging ........................................................................................................................................................... 25

5.3 QoS Management Functions in Fixed Access Networks.................................................................................. 25

5.4 Resource Control for QoS Downgrading ......................................................................................................... 27

6 RACS functional architecture definition ................................................................................................ 28

6.1 General ............................................................................................................................................................. 28

6.2 Functional elements .......................................................................................................................................... 30

6.2.1 SPDF ........................................................................................................................................................... 30

6.2.1.1 SPDF main functions ............................................................................................................................ 30

6.2.1.2 Summary of SPDF Elementary Functions ............................................................................................ 30

6.2.1.3 Reference points .................................................................................................................................... 32

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4 ETSI ES 282 003 V3.5.1 (2011-04)

6.2.1.4 User profile ........................................................................................................................................... 32

6.2.1.5 Priority .................................................................................................................................................. 32

6.2.1.6 Service request ...................................................................................................................................... 33

6.2.1.7 Coordination function ........................................................................................................................... 33

6.2.1.8 Charging ................................................................................................................................................ 34

6.2.1.9 Deployment considerations ................................................................................................................... 34

6.2.1.10 Overload control ................................................................................................................................... 34

6.2.1.11 Discovery mechanism ........................................................................................................................... 34

6.2.2 Generic Resource Admission Control Function ......................................................................................... 34

6.2.2.1 Main functions ...................................................................................................................................... 34

6.2.2.1.1 Specializations of x-RACF .............................................................................................................. 35

6.2.2.1.2 Reference points applicable to different specializations of x-RACF ............................................... 35

6.2.2.1.3 Multiple instantiations of x-RACF .................................................................................................. 35

6.2.2.2 Summary of generic Resource Admission Control Function Elementary Functions ............................ 36

6.2.2.3 A-RACF ................................................................................................................................................ 38

6.2.2.3.1 A-RACF main functions .................................................................................................................. 38

6.2.2.3.2 Reference points .............................................................................................................................. 38

6.2.2.4 C-RACF ................................................................................................................................................ 39

6.2.2.4.1 C-RACF main functions .................................................................................................................. 39

6.2.2.4.2 Reference points .............................................................................................................................. 39

6.2.2.5 Admission control process .................................................................................................................... 39

6.2.2.5.1 A-RACF .......................................................................................................................................... 39

6.2.2.5.2 C-RACF........................................................................................................................................... 41

6.2.2.6 Installation of policies ........................................................................................................................... 41

6.2.2.7 Charging ................................................................................................................................................ 42

6.2.2.8 Abnormal condition handling................................................................................................................ 42

6.2.2.9 Deployment considerations ................................................................................................................... 42

6.2.2.10 Overload control ................................................................................................................................... 42

6.2.2.11 Discovery Mechanism ........................................................................................................................... 42

6.2.3 BGF ............................................................................................................................................................ 42

6.2.3.1 BGF main functions .............................................................................................................................. 42

6.2.3.2 BGF parameters .................................................................................................................................... 43

6.2.3.3 Reference points .................................................................................................................................... 43

6.2.3.4 Addressing latching ............................................................................................................................... 43

6.2.3.5 Abnormal conditions handling .............................................................................................................. 43

6.2.3.6 Overload control ................................................................................................................................... 43

6.2.4 RCEF .......................................................................................................................................................... 44

6.2.4.1 RCEF main functions ............................................................................................................................ 44

6.2.4.2 Reference points .................................................................................................................................... 44

6.2.4.3 RCEF parameters .................................................................................................................................. 44

6.2.5 Application Function (AF) .......................................................................................................................... 44

6.2.5.1 AF main functions ................................................................................................................................. 44

6.2.5.2 Reference points .................................................................................................................................... 45

6.2.5.3 Charging ................................................................................................................................................ 46

6.2.5.4 Abnormal conditions handling .............................................................................................................. 46

6.2.6 BTF ............................................................................................................................................................. 46

6.3 RACS reference points ..................................................................................................................................... 46

6.3.1 Rq reference point (SPDF - x-RACF)......................................................................................................... 46

6.3.1.1 Functional requirements ........................................................................................................................ 46

6.3.1.1.1 Resource management mechanisms ................................................................................................ 46

6.3.1.1.2 Service model .................................................................................................................................. 47

6.3.1.1.3 Duration semantics .......................................................................................................................... 47

6.3.1.1.4 Audit and synchronization support .................................................................................................. 48

6.3.1.1.5 Report facilities for unsolicited events ............................................................................................ 48

6.3.1.2 Non-functional requirements................................................................................................................. 48

6.3.1.2.1 Reliability requirements .................................................................................................................. 48

6.3.1.2.2 Security requirements ...................................................................................................................... 48

6.3.1.3 Information exchanged over the Rq Reference Point ............................................................................ 48

6.3.1.3.1 Resource Reservation Request ........................................................................................................ 48

6.3.1.3.2 Resource Modification Request ....................................................................................................... 50

6.3.1.3.3 Resource Request/Modification Confirmation ................................................................................ 51

6.3.1.3.4 Resource Release Request ............................................................................................................... 51

ETSI
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SIST ES 282 003 V3.5.1:2011
5 ETSI ES 282 003 V3.5.1 (2011-04)

6.3.1.3.5 Abort Resource Reservation ............................................................................................................ 51

6.3.2 e4 reference point (A-RACF - NASS) ........................................................................................................ 52

6.3.3 Ia Reference Point (SPDF - BGF) .............................................................................................................. 52

6.3.3.1 Functional Requirements ...................................................................................................................... 52

6.3.3.1.1 Control of NAT, Hosted NAT traversal and Gating ........................................................................ 52

6.3.3.1.2 Transport Protocol Type Policing .................................................................................................... 52

6.3.3.1.3 Bandwidth control ........................................................................................................................... 52

6.3.3.1.4 QoS marking .................................................................................................................................... 52

6.3.3.1.5 Usage metering and statistics reporting ........................................................................................... 52

6.3.3.1.6 Resource state synchronization ....................................................................................................... 53

6.3.3.2 Non-Functional Requirements .............................................................................................................. 53

6.3.3.2.1 Reliability requirements .................................................................................................................. 53

6.3.3.2.2 Security requirements ...................................................................................................................... 53

6.3.3.3 Information exchanged over the Ia Reference Point ............................................................................. 53

6.3.3.3.1 BGF Service Request ...................................................................................................................... 53

6.3.3.3.2 BGF Service Confirmation .............................................................................................................. 56

6.3.3.3.3 BGF Service Modify Request .......................................................................................................... 57

6.3.3.3.4 BGF Service Modify Confirmation ................................................................................................. 58

6.3.3.3.5 BGF Service Audit Request ........................................................................................................... 59

6.3.3.3.6 BGF Service Audit Response .......................................................................................................... 60

6.3.3.3.7 BGF Service Notify Request ........................................................................................................... 61

6.3.3.3.8 BGF Service Notify Indication ........................................................................................................ 62

6.3.3.3.9 BGF Service Release Request ......................................................................................................... 62

6.3.3.3.10 BGF Service Release Confirmation................................................................................................. 63

6.3.4 Gq' Reference Point (AF - SPDF) ............................................................................................................... 64

6.3.4.1 Functional Requirements ...................................................................................................................... 64

6.3.4.2 Non-Functional Requirements .............................................................................................................. 64

6.3.4.3 Information exchanged over the Gq' Reference Point ........................................................................... 64

6.3.5 Ri' Reference Point (SPDF-SPDF inter-domain) ........................................................................................ 65

6.3.5.1 Functional Requirements ...................................................................................................................... 65

6.3.5.1.1 Resource management mechanisms ................................................................................................ 65

6.3.5.1.2 Service model .................................................................................................................................. 65

6.3.5.1.3 Duration semantics .......................................................................................................................... 65

6.3.5.1.4 Audit and Synchronization support ................................................................................................. 66

6.3.5.1.5 Report facilities for unsolicited events ............................................................................................ 66

6.3.5.2 Non-Functional Requirements .............................................................................................................. 66

6.3.5.2.1 Reliability requirements .................................................................................................................. 66

6.3.5.2.2 Security requirements ...................................................................................................................... 66

6.3.5.3 Information exchanged over the Ri' Reference Point ............................................................................ 66

6.3.6 Rd' Reference Point (SPDF-SPDF intra-domain) ....................................................................................... 66

6.3.6.1 Functional Requirements ...................................................................................................................... 66

6.3.6.1.1 Resource management mechanisms ................................................................................................ 66

6.3.6.1.2 Service model .................................................................................................................................. 66

6.3.6.1.3 Duration semantics .......................................................................................................................... 67

6.3.6.1.4 Audit and Synchronization support ................................................................................................. 67

6.3.6.1.5 Report facilities for unsolicited events ............................................................................................ 67

6.3.6.2 Non-Functional Requirements .............................................................................................................. 67

6.3.6.2.1 Reliability requirements .................................................................................................................. 67

6.3.6.2.2 Security requirements ...................................................................................................................... 67

6.3.6.3 Information exchanged over the Rd' Reference Point ........................................................................... 67

6.3.7 Re Reference Point (x-RACF - RCEF) ....................................................................................................... 67

6.3.7.1 Functional Requirements ...................................................................................................................... 67

6.3.7.1.1 Policy Enforcement Management.................................................................................................... 67

6.3.7.2 Non-functional requirements................................................................................................................. 68

6.3.7.2.1 Reliability requirements .................................................................................................................. 68

6.3.7.2.2 Security requirements .......................................................................................

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