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Making Better Standards Steve Randall, STF217

Making Better Standards Steve Randall, STF217. or You’ve read the book now see the web site!. In the beginning . . . . …was The Word. How did it start?. In 1994 MTS was generally viewed as ‘Academic’ Output from MTS was becoming more practical with guides rather than strict rules

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Making Better Standards Steve Randall, STF217

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  1. Making Better Standards Steve Randall, STF217 or You’ve read the book now see the web site!

  2. In the beginning . . . …was The Word

  3. How did it start? • In 1994 MTS was generally viewed as ‘Academic’ • Output from MTS was becoming more practical with guides rather than strict rules • Something was needed to get these guides used and to improve the MTS image • PT69V set up to promote new methodologies • The “Making Better Standards” book was the outcome

  4. Why “Making BETTER Standards”? • This is not the best wording. The implication is that our standards aren’t so hot and need improving! • Alternatives could have been: • Making Even Better Standards • Making Good Standards • Making The Best Standards • Making High Quality Standards • Editorially, “Making Better Standards” sounded right • Now we are stuck with it!

  5. So Why Bother with an Update? • The MBS book was a remarkable success • Sent to all members • Demand means no spares left in ETSI now • Even hardened standards writers STILL use it - and are prepared to admit it! • BUT . . . . It is out of date now! • Based on MTS Rules rather than Guidelines • Reflects a much stricter regulatory regime in Europe • No Interoperability Testing • No TTCN-3 • No Descriptive SDL • No UML • Nothing substantial on MSC and ASN.1

  6. MBS 2 • New and revised guidelines available • Different thinking on the role of MTS • New and improved specification languages available • Changed emphasis on conformance testing • Increased emphasis on interoperability testing • Testing and regulation not so closely coupled • What about publishing on a web site?

  7. Why a Web Site? • More Hi-Tech than a book – the right image for ETSI • Lower cost Publication • Easier to search and navigate • Much easier to maintain • Available to a much wider audience • Distribution on CD if something “physical” needed • Simpler language is possible And anyway, why NOT a web site?!!

  8. So What’s On It? • Introduction • Market Expectations • What Makes a Standard “Better” • Planning • Non-behavioural Standards • Protocol Standards • Using Specification Languages • Test Specifications • Validating Standards • European Regulatory Regime

  9. Introduction • Introduction to the MBS site • How to use the MBS site • Simple guide to navigating MBS • Introduction to standardization • What to standardize? • Why Standardize?

  10. Market Expectations • What is “The Market” in standardization terms? • Market factors affecting the success of a standard

  11. What Makes a Standard “Better” • Characteristics of a good standard • Accurate and complete technical content • Standard is easy to read • Clear and unambiguous requirements

  12. Planning • Planning Validation and Testing activities • Which Validation method to choose • How much Validation to include in the plan • Estimating the effort involved • Building a plan • Some example scenarios

  13. Non-behavioural Standards • Physical characteristics • Tolerances

  14. Protocol Standards • Protocol engineering within a standards environment: • Layered modelling • Other modelling and visualization methods • 3 stage design approach

  15. Using Specification Languages • SDL • Including Descriptive SDL • MSC • ASN.1 • UML • TTCN(-3)

  16. Test Specifications • Conformance Testing • Interoperability Testing • Comparison of Interoperability and Conformance Testing • Development Cycle • Certification

  17. Validating Standards • Validation methods • Walk-Through (Design Review) • Formal validation methods • SDL model simulation • SDL model exploration • Prototyping & Early Implementation • Test Development

  18. European Regulatory Regime • R & TTE Directive and its implications for Operators and Manufacturers: • Harmonized Standards • Interface Descriptions • Declarations of Conformity • Other important Directives

  19. Overall Approach • Original MBS book reproduced text from a number of standards and reports • MBS 2 gives limited introductory text then links to the necessary standards and guides

  20. Who Has Been Involved? • TC-MTS • STF217 • Jonathan West • Michael Andersson • Scott Moseley • Steve Randall • PTCC • Milan Zoric • Anthony Wiles • Emmanuelle Jouan • M&D • Paul Reid • FAS • Reynolds Dugenne • Maya Ayache • TB Support • Mike Sharpe

  21. After All That, Where Is It?? http://portal.etsi.org/mbs/home.asp

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