Message Sequence Graphs and Decision Problems on Mazurkiewicz Traces

  • Anca Muscholl
  • Doron Peled
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1672)

Abstract

Message sequence charts (MSC) are a graphical specification language widely used for designing communication protocols. Our starting point are two decision problems concerning the correctness and the consistency of a design based by MSC graphs. Both problems are shown to be undecidable, in general. Using a natural connectivity assumption from Mazurkiewicz trace theory we show both problems to be EXPSPACE-complete for locally synchronized graphs. The results are based on new complexity results for star-connected rational trace languages.

Keywords

Message sequence graphs Mazurkiewicz semi-traces automata theory universality problem 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1999

Authors and Affiliations

  • Anca Muscholl
    • 1
  • Doron Peled
    • 2
    • 3
  1. 1.Institut für InformatikUniversität StuttgartStuttgartGermany
  2. 2.Department of Computer Science TechnionIsrael Institute of TechnologyHaifaIsrael
  3. 3.Bell LaboratoriesMurray HillUSA

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