Towards the new Test Specification and Implementation Language 'Telcom TSL'

Thomas Walter, Jens Grabowski


The development of multi-media and real-time applications requires the assessment of new functional and non-functional properties by conformance tests. The Tree and Tabular Combined Notation (TTCN) is not adequate for this purpose since test cases cannot be specified for most of the new requirements. For this reason, in 1994 we started to develop TelCom TSL, a new test specification and implementation language for advanced telecommunications applications. TelCom TSL provides facilities for the specification of tests for non-functional properties like timing constraints, quality of service (QoS) aspects, or synchronization of multi-media data streams. In this paper we describe the requirements for QoS testing and present some ideas for the design of TelCom TSL.
Document Type: 
Articles in Conference Proceedings
Proceedings of the 5th GI/ITG technical meeting on Formal Description Techniques for Distributed Systems
University of Kaiserslautern, Germany
Editors: R. Gotzhein, J. Bredereke
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