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System operation and support - Coggle Diagram
System operation and support
4 Classification of maintainance
Corrective maintainance
Ex: User submit a system request with supporting evidence
Adaptive maintainence
Adds enhancements to an operational system and
makes the system easier to use
Perfective maintainence
Involves changing an operational system to make it
more efficient, reliable or maintainable
Preventive maintainance
Reverse engineering
Configuration management
is systems engineering process for establishing and maintaining consistency of a product's performance, functional, and physical attributes with its requirements, design, and operational information throughout its life.
its important because enterprise wide information system grow more complex, configuration management becomes critical. Also most importance projects require documentation changes.
Release methodology
is a process that entails the management, planning, scheduling, and controlling of an entire software build through every stage and environment involved, including testing and deploying software releases.
Pros: Reduce the documentation burden
Cons: New updates and features are less available
Define
Response time is time between a request
Bandwith is a the amount of data that the system can transfer in a fixed time period
Throughput: Measure actual system performance under specific circumstances
Turn around time: measure time between submitting request of information and the fulfillment of the request