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- The purpose of Connection Domains is to act as an Integrator between connected Domains.
- It can be as simple as Phenomena or complicated as a sub-Domain which has its own Problem Context.
Software Architecture as a Set of Architectural Design Decisions:
- Architectural Design Decision Model:
- Description. The description element described the solution being proposed.
- Design Rules. Design rules define partial specifications to which the realization of one or more architectural entities has to conform.
- Design Constraints. Design constraints define limitations or constraints on the further design of one or more architectural entities.
- Consequences. The consequences element is a description of the expected consequences of the solution on the architecture.
- Pros. This model element describes the expected benefit(s) from this solution to the overall design and the impact on the requirements.
- Cons. Solutions can also have a downside. The expected negative impact on the overall design is as important as the positive side.
- Software Architecture Design Decision Meta-model:
- Design Fragment is an architectural fragment defining a collection of architectural entities. An architectural entity can be part of multiple design fragments.
- Design Decision defines the solutions considered and the one decided upon (i.e. the decision) to solve a described problem.
- Component Entity is an abstraction of a component. A component entity describes the decomposition aspect of a component.
- Delta is the first-class representation of a change to the behavior of a component entity, which is provided by the deltas already incorporated in the component entity.
- Interface A definition of a collection of method signatures, representing a specific named semantic.
- Port An external visible interface required or provided by a delta or connector. A port represents the provided or required “service” of a delta or connector.
- Connector defines the “glue” between one or more deltas, i.e. a connector is a first class representation of the interaction or communication between these deltas.
- Abstract Connector is an abstraction from a Connector, as it does not have an interface associated with it.
- It defines the communication type (i.e. synchronous, asynchronous) between two or more deltas.
- It also defines a set of connectors that actually communicate between these deltas.
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