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SW Architecture Lecture 6 - Coggle Diagram
SW Architecture Lecture 6
The dimensions of software architecture
1- Architectural characteristics (Quality Attribute Requirements)
Specifying Quality Attribute Requirements
Representation of quality attribute scenarios
Stimulus
Stimulus source
Response
Response measure
Environment
Artifact
2- Architectural decisions
3- Logical components
4- Architectural style (Patterns)
Availability
What is Availability?
Availability General Scenario
Tactics for Availability
Enable a system to endure faults so that services remain traceble with their specifications.
The tactics keep faults from becoming failures or at least bound the effects of the fault and make repair possible.
Types (too many to write)
1.Detect Faults
2.Recover from Faults (Preparation & Repair)
Exception Handling
3.Prevent Faults
A Design Checklist for Availability
Goal of Availability