Regular Collections of Message Sequence Charts
MFCS '00 Proceedings of the 25th International Symposium on Mathematical Foundations of Computer Science
On Minimum Flow and Transitive Reduction
ICALP '88 Proceedings of the 15th International Colloquium on Automata, Languages and Programming
On Message Sequence Graphs and Finitely Generated Regular MSC Languages
ICALP '00 Proceedings of the 27th International Colloquium on Automata, Languages and Programming
Pattern Matching and Membership for Hierarchical Message Sequence Charts
LATIN '02 Proceedings of the 5th Latin American Symposium on Theoretical Informatics
Deciding Properties for Message Sequence Charts
FoSSaCS '98 Proceedings of the First International Conference on Foundations of Software Science and Computation Structure
Synthesizing Distributed Finite-State Systems from MSCs
CONCUR '00 Proceedings of the 11th International Conference on Concurrency Theory
On Regular Message Sequence Chart Languages and Relationships to Mazurkiewicz Trace Theory
FoSSaCS '01 Proceedings of the 4th International Conference on Foundations of Software Science and Computation Structures
Information and Computation
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Message sequence charts (MSCs) and high-level message sequence charts (HMSCs) are popular formalisms for the specification of communication protocols between asynchronous processes. An important concept in this context is the size of the communication buffers used between processes. Since real systems impose limitations on the capacity (or speed) of communication links, we ask whether a given HMSC can be implemented with respect to a given buffer size imposed by the environment. We introduce four different measures for buffer sizes and investigate for each of these measures the complexity of deciding whether a given MSC (or HMSC, or hierarchical MSC) satisfies a given bound on the buffer size. The complexity of these problems varies between the classes P, NP, and coNP.