Die Spezifikationssprachen MSC und SDL - Teil 1: Message Sequence Chart (MSC)

In the telecommunication area, <i>Message Sequence Chart</i> (MSC) and <i>Specification and Description Language</i> (SDL) are the dominating modeling languages. This two-part article describes concepts and usage of both languages. In this first part, an overview of SDL and MSC is given and the specification of requirements with MSC is described.