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A Tool Vendor View on ITU-T Language Standardization

Explore the impact of language standardization on tool vending platforms, highlighting benefits such as cost-effectiveness, interchangeability, training efficiency, and industry-wide compatibility. Dive into the historical Language Wars and the evolution of Telelogic's solutions in aligning SDL and UML languages.

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A Tool Vendor View on ITU-T Language Standardization

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  1. A Tool Vendor View on ITU-T Language Standardization Anders Ek

  2. Why Standards? • Money!!! • Following a standard is a sales argument. • Sometimes even a requirement

  3. Customer’s view • More than one tool • Cheaper • Safer (can switch tools) • Training costs • Wide-spread standard better than proprietory solution • Same notation in many teams • Subcontractors / joint development • Import / export • Standardized protocols / APIs / applications • Cheaper development

  4. Telelogic and Language Standards • SDL since 1984 • MSC since 1992 • TTCN-2 since 1990 • TTCN-3 since 2002 • UML since 1999 • UML-2 since 2002

  5. Language Wars 1 • Early 90s: SDL vs LOTUS • SDL winner • Graphics • Easier to understand • Industrial strength tools

  6. Language Wars 2 • Late 90s: • SDL vs UML • UML winner • Marketing: UML better known (in particular in US) • More books, more tools, more conferences, more ads ... • Broader application area • Applicable to early phases • But if we lost, how come we’re still here?

  7. Telelogic Solution • Basics: SDL & SDL tools are good! • ...but not enough. • 2000 • Co-existance SDL / UML • SDL-2000: UML harmonization • 2002 • One integrated language • UML-2 ongoing • 2004 • SDL profile? • ITU / ETSI acceptance?

  8. Telelogic Standardization Priorites • SDL profile (”SDL part of UML”) • MSC profile • Application standards using the SDL profile • Outside ITU • UML-2 finished (”UML compatible with SDL”) • SysML (systems engineering profile)

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