�1���� Scope
�2����
References
�3����
Abbreviations and acronyms
�4����
Terms and definitions
�5����
Maintenance Services (MSs) and relationship with the
telecommunications-managed areas
�6����
Outline description of the management of the Grade Of Maintenance
Service (GOMS) at the Maintenance Service Customer Contact point (MSCC) and its
reference model
�7����
GOMS states and concepts of "acceptable" and
"unacceptable"
�8����
Maintenance Service Customer (MSC) expectations for the GOMS
�9����
MSC requirements for the GOMS
������� 9.1���� MSC requirements and goals independent of the characteristics
of the MS
������� 9.2���� MSC requirements and goals dependent on the characteristics of
the MS
10���� GOMS methodology for a
Maintenance Service Provider (MSP)
������ 10.1���� Goals of an MSP for the offered GOMS
������ 10.2���� Relationship with an MSC for the GOMS requirements independent
of the MS characteristics
������ 10.3���� Relationship with an MSC for the GOMS requirements dependent
on the MS characteristics
11���� Main performance
parameters/indices for the assessment, management and improvement of the GOMS
������ 11.1���� Minimum set of performance parameters/indices for the GOMS and
relationship with the type of MS
������ 11.2���� Measurement methods for the GOMS
������ 11.3���� Evaluation methods for the GOMS
12���� Basic MS processes leading to an
Operational Procedures Selection for the�
management, achievement and improvement of the GOMS (OPSG)
������ 12.1���� MS information interfacing
�� ����12.2���� MS data
collection
������ 12.3���� MS data recording
������ 12.4���� MS data filtering
������ 12.5���� MS data reporting
���������������� 12.5.1���� MS periodic data reporting
���������������� 12.5.2���� MS exception data reporting
������ 12.6���� MS data performance monitoring
13���� Operational procedures in case of
recurrent state of unacceptable GOMS
14���� Main advantages of a standardized
OPSG
Annex A � MSs brief overview
������� A.1���� MS Provisioning
������� A.2���� MS Monitoring and Performance Management
������� A.3���� MS Restoration
������� A.4���� MS Billing Integrity
������� A.5���� MS Security
������� A.6���� MS Auditing
Annex B � Maintenance Service Availability calculation formula and� definition of Maintenance Service Degradation
Factor
������� B.1���� Basic Maintenance Service Availability calculation formula
������� B.2���� Maintenance Service Elements degradation state � Definition of
maintenance Service Degradation Factor (SDF)
Appendix I � Example of the application of an OPSG to an MS for
Videoconferencing
������� I.1���� Overview
������� I.2���� MSEs and operational procedures
������� I.3���� Performance parameters and indices
Appendix II � Example of the application of an OPSG to� an MS for Internet service
������ II.1� ���Overview
������ II.2���� MSEs and operational procedures
������ II.3���� Performance parameters and indices
Appendix III � Example of the application of an OPSG to an MS Provisioning
for� Leased Circuit Services (LCS)
����� III.1���� Overview
����� III.2���� MSEs and operational procedures
����� III.3���� Performance parameters and indices
Appendix IV � Bibliography