1、INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU D.224 (I 2/99) SERIES D: GENERAL TARIFF PRINCIPLES General tariff principles - Charging and accounting principles for international telecommunication services provided over the ISDN Charging and accounting pr
2、inciples for ATM/B-ISDN ITU-T Recommendation D. 224 (Previously CCITT Recommendation) STD-ITU-T RECMN D.224-ENGL 1999 486259% Ob69493 50b ITU-T D-SERIES RECOMMENDATIONS GENERAL TARIFF PRINCIPLES ERMS AND DEFINITIONS SENERAL TARIFF PRINCIPLES Private leased telecommunication facilities Tariff princip
3、les applying to data communication services over dedicated public data networks Charging and accounting in the international public telegram service Charging and accounting in the international telemessage service Charging and accounting in the international telex service Charging and accounting in
4、the international facsimile service Charging and accounting in the international videotex service Charging and accounting in the international phototelegraph service Charging and accounting in the mobile services Charging and accounting in the international telephone service Drawing up and exchange
5、of international telephone and telex accounts International sound- and television-programme transmissions Charging and accounting for international satellite services Transmission of monthly international accounting information Service and privilege telecommunications Settlement of international tel
6、ecommunication balances of accounts Charging and accountin princi les for international telecommunication Charging and accounting principles for universal personal telecommunication Charging and accounting principles for intelligent network supported services Recommendations applicable in Europe and
7、 the Mediterranean Basin Recommendations applicable in Latin America Recommendations applicable in Asia and Oceania Recommendations applicable to the African Region services provided overt BbP e ISD RECOMMENDATIONS FOR REGIONAL APPLICATION D.0 D.1-D.9 D.10-D.39 D.40-D.44 D.45-D.49 D.60-D.69 D.70-D.7
8、5 D.76-D.79 D .80-0 .89 D .9-D.99 D. 100-D. 159 D. I 60-D. 179 D. 180-D. 1 84 D. 185-0.1 89 D. 1 90-D. 1 9 1 D.192-D.195 D. 196-D.209 D.210-D.279 D .280-D .284 D.285-D.299 D.300-D.399 0.400-0.499 D .50O-D 599 D.600-D .699 Forfirther details, please refer to TU-T List of Recommendations. STD-ITU-T RE
9、CflN D.224-ENGL 1999 48bZ59L Obb9494 442 ITU-T RECOMMENDATION D.224 CHARGING AND ACCOUNTING PRINCIPLES FOR ATM/B-ISDN Summary This Recommendation sets out the general principles and conditions applicable by Administrations for the capability to transport ATM cells over ATM connections between standa
10、rdized interfaces and for services using such connections. Specific charging and accounting principles for point-to-multipoint ATM connections are not currently addressed in this version of this Recommendation. Source IT-T Recommendation D.224 was prepared by ITU-T Study Group 3 (1997-2000) and was
11、approved under the WTSC Resolution No. 1 procedure on 17 December 1999. Recommendation D.224 (12/99) 1 FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The ITU Telecommunication Standardization Sector (ITU-T) is a perma
12、nent organ of the ITU. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years
13、, establishes the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. The approval of Recommendations by the Members of the ITU-T is covered by the procedure laid down in WTSC Resolution No. 1. In some areas of information technology which fall w
14、ithin ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. NOTE In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGH
15、TS The ITLJ draws attention to the possibility that the practice or implementation of this Recommendation may involve the use of a claimed Intellectual Property Right. The ITU takes no position concerning the evidence, validity or applicability of claimed Intellectual Property Rights, whether assert
16、ed by ITU members or others outside of the Recommendation development process. As of the date of approval of this Recommendation, the ITU had not received notice of intellectual property, protected by patents, which may be required to implement this Recommendation. However, implementors are cautione
17、d that this may not represent the latest information and are therefore strongly urged to consult the TSB patent database. O ITU 2000 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microf
18、ilm, without permission in writing from the ITU. 11 Recommendation D.224 (12/99) 1 2 3 4 4.1 4.2 5 5.1 5.2 5.3 5.4 5.5 5.6 6 6.1 6.2 7 7.1 7.2 CONTENTS Preamble . Scope . References . Terms and definitions . Definitions Abbreviations and acronyms . Units. elements. parameters and concepts for chargi
19、ng network utilization Charging units . 5.2.1 Connection Set-up charge Connection set-up attempt charge element Charge elements 5.2.2 5.2.3 5.2.4 5.2.5 5.2.6 Charging periods . Connection characteristics that may affect the charge Viable combinations of charge elements Charging concepts related to A
20、TM Protection Switching 5.6.1 Reservation charge element affected by ATM protection switching . 5.6.2 Usage charge element affected by ATM protection switching Connection modification charge element Connection modification attempt charge element . Reservation based charge element . Usage based charg
21、e element Charging end-customers . Network access component . Network utilization component Accounting between Administrations . Network access component . Network utilization component 7.2.1 Assumptions 7.2.2 Aggregation within charge elements for accounting . 7.2.3 Accounting parameters resulting
22、from aggregation for network utilization Appendix I . Examples of use of concepts and parameters defined in this I . 1 1.2 Recommendation Chargeable Cell Rate (CCR) . Examples of assigning a charge to a connection . 1.2.1 Common assumptions . Recommendation D.224 (12/99) Page 1 1 1 2 2 2 3 3 3 4 4 4
23、 4 4 5 5 6 7 9 9 9 9 9 9 10 10 10 10 12 14 16 16 17 17 . 111 Page 1.2.2 Example of charging a DBR connection . 18 1.2.3 Example of charging an SBRl connection 19 1.2.4 Example of charging an SBR2 connection 20 iv Recommendation D.224 (12199) Recommendation D.224 CHARGING AND ACCOUNTING PRINCIPLES FO
24、R ATM/B-ISDN (Geneva, 1999) 1 Preamble This Recommendation covers charging and accounting principles applicable to B-ISDN/ATM services provided at the ATM layer. 2 Scope This Recommendation sets out the general principles and conditions applicable by Administrations for the capability to transport A
25、TM cells over ATM connections between standardized interfaces and for services using such connections (Recommendations F.811, F.8 13). An ATM connection is characterized through a traffic contract encompassing the Quality of Service (QoS) class as specified in Recommendation 1.356, ATM Transfer Capa
26、bility (ATC) as specified in Recommendations 1.371 and 1.37 1.1, and applicable traffic parameters. Specific charging and accounting principles for point-to-multipoint ATM connections are not currently addressed in this version of this Recommendation. 3 References The following ITU-T Recommendations
27、 and other references contain provisions which, through reference in this text, constitute provisions of this Recommendation. At the time of publication, the editions indicated were valid. All Recommendations and other references are subject to revision; all users of this Recommendation are therefor
28、e encouraged to investigate the possibility of applying the most recent edition of the Recommendations and other references listed below. A list of the currently valid IT-T Recommendations is regularly published. - - ITU-T Recommendation F.8 1 1 (1 996), Broadband connection-oriented bearer service.
29、 ITU-T Recommendation F.8 13 (1995), Virtud path service for reserved and permanent communications. ITU-T Recommendation 1.356 (1 996), B-ISDN ATM layer cell transfer pevformance. ITU-T Recommendation 1.371 (1996), Trafic control and congestion control in B-ISDN. ITU-T Recommendation 1.37 1.1 (1997)
30、, Traflc control and congestion control in B-ISDN: conformance definitions for ABT and ABR. ITU-T Recommendation 1.630 (1 999), ATM Protection Switching. - - - - Recommendation D.224 (12199) 1 4 Terms and definitions 4.1 Definitions This Recommendation defines the following terms: 4.1.1 Chargeable C
31、eU Rate (CCR): The Chargeable Cell Rate of a connection is a single cell rate parameter used to determine the reservation based charge element for that connection. The CCR is a computed simplification of the traffic contract values of the connection to a single cell rate value. The concept of CCR ap
32、plies only to charging and accounting. It is used only in the reservation based charge element. The CCR is computed as a function of the connection parameters, such as QoS class, ATC, source traffic descriptor and associated tolerances. The use and the calculation function for the CCR are Administra
33、tion-specific. 4.1.2 Connection establishment: Connection establishment indicates the moment the connection has been set up and has become available to the user to transport ATM cells. For connections using signalling, this corresponds to the entry into the active state. 4.1.3 Connection release: Co
34、nnection release indicates the moment the connection has become unavailable to the user to transport ATM cells. For connections using signalling this corresponds to the departure from the active state. 4.1.4 Connections active phase: The connections active phase indicates the entire period between c
35、onnection establishment and connection release. 4.1.5 Distance: Distance in the context of this Recommendation is to be related to the facilities made available to realise the connection between the applicable interfaces. It is Administration- specific whether and how distance influences the chargin
36、g parameters. If distance-dependent differentiation is used, an Administration may choose to define distance regions or distance zones to simplify its implementation. 4.2 Abbreviations and acronyms This Recommendation uses the following abbreviations: ABR Available Bit Rate (Rec. 1.371) ABT/DT ATM B
37、lock Transferrnelayed Transfer (Rec. 1.37 1) ABTAT ATM Block Transferhmediate Transfer (Rec. 1.37 1) ATC ATM Transfer Capability (Rec. 1.371) ATM Asynchronous Transfer Mode B-ISDN CAC CCR Chargeable Cell Rate CDR Connection Detail Record CDV CLP CP-M( .) CP - R(.) CP-S(.) Broadband Integrated Servic
38、es Digital Network Connection Admission Control (Rec. 1.37 1) Cell Delay Variation (Rec. 1.356) Cell Loss Priority (Recs. 1,361,1.356,1.37 1) Charge Parameter - connection Modification Charge Parameter - Reservation Charge Parameter - connection Set-up CP - U(.) DBR Charge Parameter - Usage Determin
39、istic Bit Rate (Rec. 1.37 2 Recommendation D.224 (12/99) STD-ITU-T RECMN D-224-ENGL L999 m 48b259L Obb9500 57b GFR GIT ICU IN1 MBS MCR NPC OAM PCR PVC QOS RM SBR SCR svc UNI UPC vcc VPC Guaranteed Frame Rate (Rec. 1.371) Generic Identifier Transport (Rec. Q.2726.3) Imaginary Currency Unit Inter-Netw
40、ork Interface Maximum Burst Size (Rec. 1.371) Minimum Cell Rate (Rec. 1.37 1) Network Parameter Control (Rec. 1.37 1) Operation And Maintenance (Rec. 1.6 1 O) Peak Cell Rate (Rec. 1.371) Permanent Virtual Connection Quality of Service (Rec. 1.356) Resource Management (Recs. 1.610,1.371) Statistical
41、Bit Rate (Rec. 1.371) Sustainable Cell Rate (Rec. 1.371) Switched Virtual Connection User Network Interface (Recs. I. 1 12,1.4 13) Usage Parameter Control (Rec. 1.37 1) Virtual Channel Connection (Recs. 1.3 1 1, I. 150) Virtual Path Connection (Recs. 1.3 1 1, I. 150) 5 This clause introduces the cha
42、rging units, the charge elements and their parameters and the concepts recommended to be used to charge for network utilization. The network utilization charges cover the costs related to the utilization of the network resources. Charge elements and their parameters are introduced below. The use (or
43、 not) of such elements and parameters and their values are administration-specific in case of charging, and subject to agreement between the Administrations involved in case of accounting. Units, elements, parameters and concepts for charging network utilization 5.1 Charging units The following char
44、ging units are applicable to ATM-level charging. e In case duration is used as element in the charge, the unit is second (s). In case a cell rate is used as element in the charge, the unit is cell per second (cell/s). In case usage is used as element in the charge, the unit is cell (cell). e o NOTE
45、- To ease notation, an Administration may choose to use kilocell or megacell as the unit in charging or accounting, instead of a single cell. Such a choice does not affect the essence of the charging or accounting. 5.2 Charge elements For charging individual connections the following elements may be
46、 used: o connection set-up charge element (see 5.2, i); connection set-up attempt (failed) charge element (see 5.2.2); connection modification charge element (see 5.2.3); o Recommendation D.224 (12199) 3 e connection modification attempt (failed) charge element (see 5.2.4); usage based charge elemen
47、t (see 5.2.6). a reservation based charge element (see 5.2.5); e 5.2.1 Connection Set-up charge A connection Set-up charge may be applied to each successfully established connection. This connection Set-up charge may reflect the resources to establish (and to release) the connection, e.g. transport
48、and processing of signalling messages in all relevant nodes along the route, performing route calculations, performing CAC functions in all relevant nodes and the capacity reserved during the connection set-up phase in both directions. Its value is Administration-specific in the case of charging end
49、 customers, and its value is subject to (bilateral) agreements between Administrations in case of accounting. 5.2.2 A connection Set-up attempt charge may be applied in case a connection has not been successfully established. The connection Set-up attempt charge may reflect the resources to attempt the connection Set-up (see 5.2.1). The application of such a connection Set-up attempt charge may depend on the reason for the failure of the attempt. Different policies may be applied according to the cause of the failure. Such policies are Administration-specific in the cas
