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Software Architecture Frameworks A Family of Implementations

Software Architecture Frameworks A Family of Implementations. Nikunj Mehta Computer Science Department University of Southern California Los Angeles, CA 90089-0781 mehta@usc.edu. Software Architectures. High level representation of system Structure, behavior, interactions, properties

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Software Architecture Frameworks A Family of Implementations

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  1. Software Architecture FrameworksA Family of Implementations Nikunj MehtaComputer Science Department University of Southern California Los Angeles, CA 90089-0781 mehta@usc.edu

  2. Software Architectures • High level representation of system • Structure, behavior, interactions, properties • Architecture Description Languages (ADLs) • Formal descriptions, • Style representations • Analysis • Lack implementation support • Mismatch between conceptual model and running systems • Difficulties in system evolution

  3. Architecture and Implementation

  4. Architecture Frameworks • Infrastructure support for architecture • Implementation • Deployment • Execution • Evolution • E.g. Middleware technologies and object frameworks • Based on architectural styles • C2 style for highly distributed, dynamic architectures • CORBA for brokered architectures

  5. C2 Framework Objectives • A runtime environment for C2-style architectures that provides • Substrate independence • Distribution of computation • Message based communication • Dynamism • Light weight infrastructure with support for monitoring • Extensible foundation • Tractable transformation of architecture in to systems

  6. Family of Frameworks • Different programming languages • Support for different underlying middleware • Tailored for different needs • Performance vs. Flexibility • Resource constrained environments • Palm pilot, embedded devices • Over 100 applications to date • Architectural style in terms of object oriented infrastructure

  7. Polylith, ILU and RMI connectors Embedded applications Ada framework C++ framework Q Middleware eC2 framework xC2 framework C2 Project Inception First Applications developed ArchStudio oC2 framework Java framework C2.fw framework Framework Evolution

  8. C2 Framework Design Evolution

  9. Next Generation Software Architectures • Sound implementation techniques • Better composition abilities • Richer architectural constructs • Highly tailored frameworks • Merging academic research with industrial practices • More objective principles of architecture based software development

  10. Questions ??

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