Unformatted text preview: ional Use them to add clarity A time for systems analysis
A time for systems analysis ”To every thing there is a season, and a time to every purpose under heaven.” Ecclesiastes 3:1 What UP phase are your projects in?
What have you determined about your projects?
Preliminary requirements analysis determines a vision and scope, use cases, risks and estimates
I.e., is there a project worthy of pursuing?
Next comes systems analysis: Clarifies input and output System events and which Objects trigger them
Generates System Sequence Diagrams from Use Cases Why does this activity make sense now? System Sequence Diagram (SSD)
System Sequence Diagram (SSD)
For a use case scenario, an SSD shows: The System (as a black box) :System The external actors that interact with System The System events that the actors generate SSD shows operations of the System in response to events, in temporal order Develop SSDs for the main success scenario of a selected use case, then frequent and salient alternative scenarios SSD for Process Sale...
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- Spring '14
- sequence diagrams