CArD: Controlling    ArchitecturalDegradation in Real life Applications
Overview Software Architecture defines the structure of the system  in terms of its components, connectors and interactio...
Overview(2) Original design that is created prior the system’s  implementation is known as the prescriptive  architecture...
System Evolution
Proposed System Mapping of an entity in the model to its corresponding entity in  the implementation, and vice-versa. Co...
What is conformance? Ensures that the model conforms to the implementation  or vice-versa. A set of rules have been desi...
More Structural Rules…Definition: Communication Integrity – Absent Link Rule.DA conforms to PA if and only if every entity...
Extension - Interaction RulesDefinition: Temporal Rule. PA conforms to DA if and only ifthe same sequence of method calls ...
FlaggingWhen a violation is detected, a flagging notification isdisplayed to the user, as follows:
ConclusionCArD is:- An Eclipse plug-in;- Checks Conformance;- Between Model in UML 2.0 Class Diagrams/Sequence  Diagrams a...
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CARD - Controlling Architectural Degradation in Real life Applications

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This presentation gives a very brief overview of my MSc dissertation at the University of St Andrews.

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CARD - Controlling Architectural Degradation in Real life Applications

  1. 1. CArD: Controlling ArchitecturalDegradation in Real life Applications
  2. 2. Overview Software Architecture defines the structure of the system in terms of its components, connectors and interactions. It is a key tool widely used in the industry because:  Improves communication with stakeholders;  Facilitates early design decisions;  Promotes transferable abstractions of a system;  Considered as the basis for implementation
  3. 3. Overview(2) Original design that is created prior the system’s implementation is known as the prescriptive architecture The architecture reflecting the current implementation is called the descriptive architecture. The inconsistency between both architectures results in architectural degradation.
  4. 4. System Evolution
  5. 5. Proposed System Mapping of an entity in the model to its corresponding entity in the implementation, and vice-versa. Compare and conform involves the detection of any architectural property violation between the two descriptions. Master and Slave. The master can alternate between model and implementation. The respective slave has to conform to the master.
  6. 6. What is conformance? Ensures that the model conforms to the implementation or vice-versa. A set of rules have been designed and implemented, such as Inheritance Relationship Rule:Definition: DA conforms to PAif and only if every entity thatinherits from another entity in PAis required to inherit an identicalentity type in its corresponding DA.
  7. 7. More Structural Rules…Definition: Communication Integrity – Absent Link Rule.DA conforms to PA if and only if every entity that communicateswith another entityin PA is required tohave the sameassociation relationshipin its corresponding DA.+ 19 more rules.
  8. 8. Extension - Interaction RulesDefinition: Temporal Rule. PA conforms to DA if and only ifthe same sequence of method calls is maintained between PA andDA.
  9. 9. FlaggingWhen a violation is detected, a flagging notification isdisplayed to the user, as follows:
  10. 10. ConclusionCArD is:- An Eclipse plug-in;- Checks Conformance;- Between Model in UML 2.0 Class Diagrams/Sequence Diagrams and Implementation;

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