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''See also [[Computer architecture]], [[Software architecture]]''
This phase can also be called as high-level design. The baseline in selecting the architecture is that it should realize all the requirements within the given time, cost and resources. Software architecture is commonly represented as two-tier, three-tier or multi-tier models which typically
▲This phase can also be called as high-level design. The baseline in selecting the architecture is that it should realize all the requirements within the given time, cost and resources. Software architecture is commonly represented as two-tier, three-tier or multi-tier models which typically comprises of the database layer, user-interface layer and the application layer. The modules and components representing each layer, their inter-relationships, subsystems, operating environment and interfaces are laid out in detail.
The output of this phase is the high-level design document which typically consists of the list of modules, brief functionality of each module, their [[Interface (computer science)|interface]] relationships, [[Coupling (computer science)|dependencies]], [[database]] [[Table (database)|tables]], architecture diagrams, technology details etc. The integration testing design is carried out in this phase.
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