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TR 32.815
Telecommunication management;
Charging management;
Online Charging System (OCS) architecture study

3GPP‑Page   ToC↓  
V6.1.0 (Wzip)  2005/06  21 p.
Rapporteur:
Mr. Goermer, Gerald
Nokia Networks Oy

full Table of Contents for  TR 32.815  Word version:  6.1.0

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1  Scope  p. 5

2  References  p. 5

3  Definitions, symbols and abbreviations  p. 5

3.1  Definitions  p. 5

3.2  Symbols  p. 6

3.3  Abbreviations  p. 6

4  Required functionality of OCS  p. 6

5  Architectural concept  p. 7

5.1  Architecture reference model for online charging  p. 7

5.1.1  Functional split between Charging Function and Rating Function  p. 9

5.1.2  Functional split between Charging Function and Rating Function  p. 9

5.1.2.1  Option 1: Repository style  p. 9

5.1.2.2  Option 2: Rating Engine  p. 10

5.1.2.3  Option 3: Extended Rating Engine  p. 11

5.1.2.4  Recommendation  p. 11

5.1.2a  Bearer Charging Function (BCF)  p. 12

5.1.3  Event Charging Function (ECF)  p. 12

5.1.4  Session Charging Function (SCF)  p. 13

5.1.5  Rating Function  p. 13

5.1.6  Account Balance Management Function  p. 13

5.2  Charging architecture reference points  p. 13

5.2.1  Re Reference Point (BCF, SCF, ECF - Rating Function)  p. 13

5.2.1.1  Functionality for the "Rating Engine" Option  p. 13

5.2.1.2  Functionality for the "Extended Rating Engine" Option  p. 15

5.2.2  Rc Reference Point (BCF, SCF, ECF - Account Balance Management Function)  p. 16

5.2.3  Reference Point (Account Balance Management Function - ext. server)  p. 16

5.2.4  Bo Reference Points (BCF, SCF, ECF - post-processing system)  p. 16

5.3  Impact of Correlation of Charging Information on OCS  p. 16

5.3.1  Basic Principles of Charging Correlation  p. 16

5.3.2  Implications on OCS  p. 17

5.4  Discussion: Interface towards IMS CSCF  p. 17

6  Examples for Message Flows via Rc and Re  p. 17

6.1  Re message flow examples  p. 18

6.1.1  Scenario with rateRequest operation  p. 18

6.1.2  Scenario with tariffRequest operation  p. 19

6.2  Rc message flow examples  p. 20

7  Conclusions and recommendations  p. 20

A  Change history  p. 21

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