Denielou, Pierre-Malo and Yoshida, Nobuko and Bejleri, Andi and Hu, Raymond - Parameterised Multiparty Session Types

lmcs:924 - Logical Methods in Computer Science, October 11, 2012, Volume 8, Issue 4
Parameterised Multiparty Session Types

Authors: Denielou, Pierre-Malo and Yoshida, Nobuko and Bejleri, Andi and Hu, Raymond

For many application-level distributed protocols and parallel algorithms, the set of participants, the number of messages or the interaction structure are only known at run-time. This paper proposes a dependent type theory for multiparty sessions which can statically guarantee type-safe, deadlock-free multiparty interactions among processes whose specifications are parameterised by indices. We use the primitive recursion operator from G\"odel's System T to express a wide range of communication patterns while keeping type checking decidable. To type individual distributed processes, a parameterised global type is projected onto a generic generator which represents a class of all possible end-point types. We prove the termination of the type-checking algorithm in the full system with both multiparty session types and recursive types. We illustrate our type theory through non-trivial programming and verification examples taken from parallel algorithms and Web services usecases.

Source :
DOI : 10.2168/LMCS-8(4:6)2012
Volume: Volume 8, Issue 4
Published on: October 11, 2012
Submitted on: June 25, 2015
Keywords: Computer Science - Logic in Computer Science,F.3.3, D.1.3, F.1.1, F.1.2


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