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Maintenance and support consist of services
to ensure the continuing business value of enterprise applications in
changing business and technology environments.
Repair Services – correct defects in the
application code or in the data, and includes:
Application Repairs – corrects defects in the
application.
Data Repairs – corrects defects in the data that
is not caused by user error, for example those caused by application
errors or batch run errors or data migration errors.
Support Services – provide
assistance related to maximizing the use or the performance of the
application, and includes:
Functional Support – assists users with the
proper use of the application.
Data Query Support – assists users with data
issues related to queries and report writing.
Enhancement Services – improves the
existing application, and includes:
Functional Enhancements – improves the
functional capabilities of the application.
Performance Enhancements – improves the
performance of the application.
Maintenance and
support services value is optimized by measuring, assessing, and adjusting the following
service levels:
Volume of Service – measured by the number of
units of services and the number of services delivered per unit of time.
Quality – measured by defect rates, standards
compliance, technical quality, services availability, and service
satisfaction.
Responsiveness – measured by time to acknowledge,
time to implement, and services backlog.
Efficiency –
measured by cost per unit of service delivered.
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