ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se

pdf标准 ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se

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ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se 第 1 页 ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se 第 2 页 ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se 第 3 页 ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se 第 4 页 ITU-T E.745-2000 宽带综合业务数字亡网(B-ISDN)的信元级测量要求 Cell Level Measurement Requirements for the B-ISDN Series E: Overall Network Operation, Telephone Se 第 5 页
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INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU E.745 (03/2000) SERIES E: OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS Quality of service, network management and traffic engineering – Traffic engineering – ISDN traffic engineering Cell level measurement requirements for the B-ISDN ITU-T Recommendation E.745 (Formerly CCITT Recommendation) ITU-T E-SERIES RECOMMENDATIONS OVERALL NETWORK OPERATION, TELEPHONE SERVICE, SERVICE OPERATION AND HUMAN FACTORS OPERATION, NUMBERING, ROUTING AND MOBILE SERVICES INTERNATIONAL OPERATION Definitions E.100–E.103 General provisions concerning Administrations E.104–E.119 General provisions concerning users E.120–E.139 Operation of international telephone services E.140–E.159 Numbering plan of the international telephone service E.160–E.169 International routing plan E.170–E.179 Tones in national signalling systems E.180–E.199 Maritime mobile service and public land mobile service E.200–E.229 OPERATIONAL PROVISIONS RELATING TO CHARGING AND ACCOUNTING IN THE INTERNATIONAL TELEPHONE SERVICE Charging in the international telephone service E.230–E.249 Measuring and recording call durations for accounting purposes E.260–E.269 UTILIZATION OF THE INTERNATIONAL TELEPHONE NETWORK FOR NON-TELEPHONY APPLICATIONS General E.300–E.319 Phototelegraphy E.320–E.329 ISDN PROVISIONS CONCERNING USERS E.330–E.399 QUALITY OF SERVICE, NETWORK MANAGEMENT AND TRAFFIC ENGINEERING NETWORK MANAGEMENT International service statistics E.400–E.409 International network management E.410–E.419 Checking the quality of the international telephone service E.420–E.489 TRAFFIC ENGINEERING Measurement and recording of traffic E.490–E.505 Forecasting of traffic E.506–E.509 Determination of the number of circuits in manual operation E.510–E.519 Determination of the number of circuits in automatic and semi-automatic operation E.520–E.539 Grade of service E.540–E.599 Definitions E.600–E.699 ISDN traffic engineering E.700–E.749 Mobile network traffic engineering E.750–E.799 QUALITY OF TELECOMMUNICATION SERVICES: CONCEPTS, MODELS, OBJECTIVES AND DEPENDABILITY PLANNING Terms and definitions related to the quality of telecommunication services E.800–E.809 Models for telecommunication services E.810–E.844 Objectives for quality of service and related concepts of telecommunication services E.845–E.859 Use of quality of service objectives for planning of telecommunication networks E.860–E.879 Field data collection and evaluation on the performance of equipment, networks and services E.880–E.899 For further details, please refer to ITU-T List of Recommendations. ITU-T RECOMMENDATION E.745 CELL LEVEL MEASUREMENT REQUIREMENTS FOR THE B-ISDN Summary This Recommendation provides the requirements to measurements needed at the cell level for an ATM (Asynchronous Transfer Mode)-based B-ISDN (Broadband Integrated Services Digital Network) network. Measurements may be both for real time and for record. The first release of this Recommendation focuses on the latter. This Recommendation is not restricted to point-to-point connections, but covers point-to-multipoint connections as well. Source ITU-T Recommendation E.745 was prepared by ITU-T Study Group 2 (1997-2000) and was approved under the WTSC Resolution No. 1 procedure on 13 March 2000. Recommendation E.745 (03/2000) i 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 permanent 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, 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 within ITU-T’s purview, the necessary standards are prepared on a collaborative basis with ISO 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 RIGHTS The ITU 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 applicabili

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