38 TD 10 Sophia Antipolis ETSIMTS0438 23 24

38 TD 10 Sophia Antipolis ETSI/MTS(04)#38 23 -24 March 2004 Making Better Standards or You’ve read the book now see the web site! Steve Randall, STF 217 10 -Mar-04 Making Better Standards 1

In the beginning. . . …was The Word 10 -Mar-04 Making Better Standards 2

How did it start? q In 1994 MTS was generally viewed as ‘Academic’ q Output from MTS was becoming more practical with guides rather than strict rules q Something was needed to get these guides used and to improve the MTS image q PT 69 V set up to promote new methodologies q The “Making Better Standards” book was the outcome 10 -Mar-04 Making Better Standards 3

Why “Making BETTER Standards”? q This is not the best wording. The implication is that our standards aren’t so hot and need improving! q Alternatives could have been: § Making Even Better Standards § Making Good Standards § Making The Best Standards § Making High Quality Standards q Editorially, “Making Better Standards” sounded right q Now we are stuck with it! 10 -Mar-04 Making Better Standards 4

So Why Bother with an Update? q 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! q BUT. . It is out of date now! § § § § 10 -Mar-04 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 Making Better Standards 5

MBS 2 q New and revised guidelines available q Different thinking on the role of MTS q New and improved specification languages available q Changed emphasis on conformance testing q Increased emphasis on interoperability testing q Testing and regulation not so closely coupled q What about publishing on a web site? 10 -Mar-04 Making Better Standards 6

Why a Web Site? q More Hi-Tech than a book – the right image for ETSI q Lower cost Publication q Easier to search and navigate q Much easier to maintain q Available to a much wider audience q Distribution on CD if something “physical” needed q Simpler language is possible And anyway, why NOT a web site? !! 10 -Mar-04 Making Better Standards 7

So What’s On It? q Introduction q Market Expectations q What Makes a Standard “Better” q Planning q Non-behavioural Standards q Protocol Standards q Using Specification Languages q Test Specifications q Validating Standards q European Regulatory Regime 10 -Mar-04 Making Better Standards 8

Introduction q Introduction to the MBS site § How to use the MBS site § Simple guide to navigating MBS q Introduction to standardization § What to standardize? § Why Standardize? 10 -Mar-04 Making Better Standards 9

Market Expectations q What is “The Market” in standardization terms? q Market factors affecting the success of a standard 10 -Mar-04 Making Better Standards 10

What Makes a Standard “Better” q Characteristics of a good standard § Accurate and complete technical content § Standard is easy to read § Clear and unambiguous requirements 10 -Mar-04 Making Better Standards 11

Planning q Planning Validation and Testing activities q Which Validation method to choose q How much Validation to include in the plan q Estimating the effort involved q Building a plan q Some example scenarios 10 -Mar-04 Making Better Standards 12

Non-behavioural Standards q Physical characteristics q Tolerances 10 -Mar-04 Making Better Standards 13

Protocol Standards q Protocol engineering within a standards environment: § Layered modelling § Other modelling and visualization methods § 3 stage design approach 10 -Mar-04 Making Better Standards 14

Using Specification Languages q SDL § Including Descriptive SDL q MSC q ASN. 1 q UML q TTCN(-3) 10 -Mar-04 Making Better Standards 15

Test Specifications q Conformance Testing q Interoperability Testing q Comparison of Interoperability and Conformance Testing q Development Cycle q Certification 10 -Mar-04 Making Better Standards 16

Validating Standards q Validation methods § Walk-Through (Design Review) § Formal validation methods § SDL model simulation § SDL model exploration § Prototyping & Early Implementation § Test Development 10 -Mar-04 Making Better Standards 17

European Regulatory Regime q R & TTE Directive and its implications for Operators and Manufacturers: § Harmonized Standards § Interface Descriptions § Declarations of Conformity § Other important Directives 10 -Mar-04 Making Better Standards 18

Overall Approach q Original MBS book reproduced text from a number of standards and reports q MBS 2 gives limited introductory text then links to the necessary standards and guides 10 -Mar-04 Making Better Standards 19

Who Has Been Involved? q TC-MTS q STF 217 § § Jonathan West Michael Andersson Scott Moseley Steve Randall q PTCC § Milan Zoric § Anthony Wiles § Emmanuelle Jouan q M&D § Paul Reid q FAS § Reynolds Dugenne § Maya Ayache q TB Support § Mike Sharpe 10 -Mar-04 Making Better Standards 20

After All That, Where Is It? ? http: //portal. etsi. org/mbs/home. asp Currently open to all EOL account holders but will be launched as an open site March 2004 10 -Mar-04 Making Better Standards 21