ITU-T M 1539-1999 Management of the Grade of Network Maintenance Services at the Maintenance Service Customer Contact Point (MSCC) - Series M TMN and Network Maintenance Internatio.pdf
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1、INTERNATIONAL TELECOMMUNICATION UNION ITU-T TELECOMMUNICATION STANDARDIZATION SECT0 R OF ITU M.1539 (03/99) SERIES M: TMN AND NETWORK MAINTENANCE: INTERNATIONAL TRANSMISSION SYSTEMS, TELEPHONE CIRCUITS, TELEGRAPHY, FACSIMILE AND LEASED CIRCUITS Designations and information exchange Management of the
2、 grade of network maintenance services at the maintenance service customer contact point (MSCC) ITU-T Recommendation M. 1539 (Previously CCIlT Recommendation) STD-ITU-T RECMN M.1537-ENGL 3997 W 4862573 Obb0773 245 ITU-T M-SERIES RECOMMENDATIONS TMN AND NETWORK MAINTENANCE: INTERNATIONAL TRANSMISSION
3、 SYSTEMS, TELEPHONE CIRCUITS, TELEGRAPHY, FACSIMILE AND LEASED CIRCUITS Introduction and general principles of maintenance and maintenance organization International transmission systems M.300-M.559 International telephone circuits M.560-M.759 M.10-M.299 Common channel signalling systems Internation
4、al telegraph systems and phototelegraph transmission M. 760-M. 799 M.800-M.899 International leased group and supergroup links International leased circuits Mobile telecommunication systems and services International public telephone network International data transmission systems Designations and i
5、nformation exchange International transport network Telecommunications management network Integrated services digital networks Common channel signalling systems M.900-M.999 M. 1000-M. 1 O99 M.11 00-M. I199 M.1200-M.1299 M. 1300-M. 1399 M.1400-MA999 M.2000-M.2999 M.3000-M.3599 M.3600-M.3999 M.4000-M.
6、4999 For further details, please refer to ITU-T List of Recommendations. STD-ITU-T RECMN M-1539-ENGL 1999 m 4Bb2571 Obb0774 181 m ITU-T RECOMMENDATION M.1539 MANAGEMENT OF THE GRADE OF NETWORK MAINTENANCE SERVICES AT THE MAINTENANCE SERVICE CUSTOMER CONTACT POINT (MSCC) Summary This Recommendation p
7、rovides the guidelines for the management of the Grade Of network Maintenance Services (GOMS) at the Maintenance Service Customer Contact point (MSCC). For any Maintenance Service (MS), the MSCC is a conceptual point at which a Maintenance Service Provider (MSP) and each of its Maintenance Service C
8、ustomers (MSCs) can interact in order to provide, use, operate, measure, retain, manage, invoice, etc., the MS concerned according to the GOMS which has been established in a contract or in an informal agreement. In this Recommendation, the following subjects are covered: 4 b) the GOMS general aspec
9、ts, from the point of view of an MSC and the point of view of an MSP requirements; the fundamental QOS criteria, methodologies, performance parameters, their indices and measurements, adopted for any MS and its Maintenance Service Elements (MSEs), including the associated set of maintenance processe
10、s and their specific procedures; the description of a consistent set of standardized Operational Procedures Selection for the management, achievement and improvement of the GOMS (OPSG) and the relevant main performance pararnetershndices, which must ensure that for any MS and its individual network
11、and service elements or any other support function i.e. Operations, Administration Maintenance and Provisioning (OAM the fundamental QOS criteria, methodologies, performance parameters, their indices and measurements, adopted for any MS and its Maintenance Service Elements (MSEs), including the asso
12、ciated set of maintenance processes and their specific procedures; the description of a consistent set of standardized Operational Procedures Selection for the GOMS management (OPSG) and the relevant main performance parametershndices, which must ensure that for any MS and its individual network and
13、 service elements or any other support function i.e. Operations, Administration, Maintenance and Provisioning (OAM b) any specific OAM performance indices for any specific MS. cl 2 References The following ITU-T Recommendations and other references contain provisions which, through reference in this
14、 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 therefore encouraged to investigate the possibility of applying the most recent e
15、dition of the Recommendations listed below. A list of the currently valid ITU-T Recommendations is regularly published. - - ITU-T Recommendation E.440 (1 996), Customer satisfaction point. ITU-T Recommendation E.800 (1 994), Terms and dejnitions related to quality of sewice and performnnce including
16、 dependability. Recommendation M.1539 (03/99) I - STD-ITU-T RECMN ImL539-ENGL L999 ITU-T Recommendation G.82 1 (1 996), Error performance of an international digital connection operating at a bit rate below the primary rate and forming part of an integrated services digital network. ITU-T Recommenda
17、tion G.826 (1 996), Error performance parameters and objectives for international, constant bit rate digital paths at or above the primary rate. ITU-T Recommendation 1.61 O (1 999), B-ISDN operation and maintenance principles and functions. ITU-T Recommendation M.60 (1 993), Maintenance terminology
18、and definitions. ITU-T Recommendation M. 1230 (1 996), Method to improve the management of operations and maintenance processes in the international telephone network. ITU-T Recommendation M. 1530 (1 999), Network maintenance information. ITU-T Recommendation M. 1535 (1 996), Principles for maintena
19、nce information to be exchanged at customer contact point (MICC) . ITU-T Recommendation M. 1537 (1997), DeJinition of maintenance information to be exchanged at customer contact point (MICC). ITU-T Recommendation 4.822 (1994), Stage I, stage 2 and stage 3 description for the Q3 interface - Performan
20、ce management. CCITT Recommendation X.733 (1 992) I ISOIIEC 1 O 164-4: 1992, Information technology - Open Systems Interconnection - Systems Management: Alarm reporting function. ITU-T Recommendation X.739 (1993) I ISOIEC 10164-1 1 : 1994, Information technology - Open Systems Interconnection - Syst
21、ems kanagement: Metric object and attributes. 3 Abbreviations and acronyms This Recommendation uses the following abbreviations: ATM Asynchronous Transfer Mode ATM PVC BER Bit Error Rate EI ES Errored Seconds GOMS Grade Of Maintenance Service ISDN Integrated Services Digital Network Asynchronous Tra
22、nsfer Mode Permanent Virtual Circuit maintenance service Element performance Index IS0 International Organization for Standardization LCS Leased Circuit Service MICC MS Maintenance Service MS/GOMS MSAV Maintenance Service Availability MSC Maintenance Service Customer MSCC Maintenance Information to
23、be exchanged at the Customer Contact point The GOMS related to a specific MS Maintenance Service Customer Contact point , MSE Maintenance Service Element - 3 Recommendation M.1539 (03199) STD-ITU-T RECMN MmL537-ENGL 1977 48b259L Obb0781 31% MSP Maintenance Service Provider OAM b) achieve, maintain o
24、r improve when required the GOMS of an MS; cl allow an MSC to make, for the same type of MS offered by different MSPs, an objective comparison between each of the GOMS offered by individual MSPs. For an efficient management of the agreed GOMS it is necessary to establish an adequate Operational Proc
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