Why Use UML?

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As the strategic value of software increases for many companies, the
industry looks for techniques to automate the production of software
and to improve quality and reduce cost and time-to- market. These
techniques include component technology, visual programming, patterns
and frameworks. Businesses also seek techniques to manage the
complexity of systems as they increase in scope and scale. In
particular, they recognize the need to solve recurring architectural
problems, such as physical distribution, concurrency, replication,
security, load balancing and fault tolerance. Additionally, the
development for the World Wide Web, while making some things simpler,
has exacerbated these architectural problems. The Unified Modelling
Language (UML) was designed to respond to these needs.