Validation of Communications Systems with SDL provides a clear practical guide to validating, by simulation, a telecom system modelled in SDL. SDL, the Specification and Description Language standardised by the International Telecommunication Union (ITU-T), is used to specify and develop complex systems such as GSM, GPRS, UMTS, IEEE 802.11 or Hiperlan. Since the downturn in the telecom industry, validating a system before its implementation has become mandatory to reduce costs.This volume guides you step by step through the validation of a simplified protocol layer, from interactive simulation to proof of properties using reachability analysis combined with observers. Every step is explained, using the two main SDL tools commercially available: ObjectGeode and Tau SDL Suite, both from Telelogic.Contents:Short tutorial on SDLPresentation of the protocol layer case studyInteractive simulation, MSC generationScripting, automatic non-regressionAuto matic validation against MSC, HMSC, etc.Random simulationExhaustive and bit-state simulationErrors detected and not detected by simulationOther simulator featuresThis book offers you the opportunity to:Learn expert validation techniques and tipsMaster advanced simulation features of Telelogic ObjectGeode and Tau SDL SuitePractice 156 hands-on exercises with solutions. The SDL models and scripts used in the exercises can be downloaded from the Web.

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