Pipe and Filter Style Advantages and Disadvantages Advantages Simplicity Allows

Pipe and filter style advantages and disadvantages

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Pipe and Filter Style: Advantages and Disadvantages Advantages: Simplicity – Allows designer to understand overall input/output behavior of a system in terms of individual filters. Maintenance and reuse Concurrent Execution –Each filter can be implemented as a separate task and be executed in parallel with other filters.
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Pipe and Filter Style: Advantages and Disadvantages Disadvantages: Interactive transformations are difficult – Filters being independent entities designer has to think of each filter as providing a complete transformation of input data to output data. No filter cooperation. Performance – may force a lowest common denominator on data transmission -parse and unparse -latency
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Example Compiler (Example of pipeline architecture) Stages: Lexical analysis,parsing,semantic analysis, code generation Programs written in Unix shell (Example of pipeline architecture) ls –l *.java | grep “foobar” | lpr –P gaston Functional programming Kahn’s example. 3 models –each goes through 3 kinds of algebraic operations Distributed systems. CORBA components : Push and pull model.
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References rch/intro_softarch.pdf 02- architecture-driven-development.ppt - middleware.pdf G. Kahn. The semantics of a simple language for parallel programming.
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