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Chapter 4 PowerPoint PPT Presentation


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Chapter 4. The Future of Software. Evolution of Software Production. Phase I: A Craft Industry Phase II: Power Tools & Engineering Methods (I-CASE) Phase III: Mass Production (repositories)

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Chapter 4

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Chapter 4 l.jpg

Chapter 4

The Future of Software


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Evolution of Software Production

  • Phase I: A Craft Industry

  • Phase II: Power Tools & Engineering Methods (I-CASE)

  • Phase III: Mass Production (repositories)

  • Phase IV: Robot Production (standard repositories, repository coordinator, intelligent enterprise models expressing business rules, expert systems)


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Open standards for repositories

  • A repository defined in terms of its object types

  • Repository services verifying the consistency and integrity of info.

  • Version control for multiple versions of objects

  • Tool services for defining objects and the tools that created them


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Open standards (cont’d)

  • Standard formats for object requests and response

  • Standard GUI for similar look & feel and ease of use

  • Workstation services (multi-level platform)

  • Full use of existing open system standards


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Desirable characteristics of future software

  • Built from components from many companies.

  • Components have OO with encapsulation and polymorphism

  • OO components licensed (and controlled)

  • Open standards

  • Components should reside in a standard repository.


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Desirable (cont’d)

  • Repository coordinator

  • All development repository based

  • Licensed software components have OO descriptions

  • Software generated from rules, templates and repository-based classes

  • Code is generated


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Desirable (cont’d)

  • Design independent of platform

  • Platform independence with multiple

    • host machines

    • operating systems

    • storage subsystems

    • DBMS

    • network architectures

    • LAN managers

    • GUI’s


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Desirable (cont’d)

  • Standard protocol for object interaction

  • Protocols to allow interprocess, interhost and networked interaction.

  • Protocols for portability

  • Multimedia platform support

  • Maximized use of GUI

  • Support for highly parallel processors


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Desirable (cont’d)

  • Code generated directly from specifications

  • Specification techniques which improve conceptual clarity

  • Methods based on mathematical precision, where possible

  • Maximum use of visual techniques in design and programming


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Desirable (cont’d)

  • Fast, iterative prototyping

  • Expert systems support for developers

  • Comprehensive cataloging of components

  • Network delivery of components

  • Enterprise models based on OO techniques

  • Enterprise models used as a source for code generation


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Desirable (cont’d)

  • Seamless and automated progression from specifications to code

  • End user creation and validation of high-level specification

  • AND WE THOUGHT THERE WAS NOTHING LEFT TO DO!


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