A framework for verifying data-centric protocols

  • Authors:
  • Yuxin Deng;Stéphane Grumbach;Jean-François Monin

  • Affiliations:
  • Department of Computer Science, Shanghai Jiao Tong University and Laboratory of Computer Science, Chinese Academy of Sciences;INRIA, LIAMA;Université de Grenoble 1, CNRS, LIAMA

  • Venue:
  • FMOODS'11/FORTE'11 Proceedings of the joint 13th IFIP WG 6.1 and 30th IFIP WG 6.1 international conference on Formal techniques for distributed systems
  • Year:
  • 2011

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Abstract

Data centric languages, such as recursive rule based languages, have been proposed to program distributed applications over networks. They simplify greatly the code, while still admitting efficient distributed execution. We show that they also provide a promising approach to the verification of distributed protocols, thanks to their data centric orientation, which allows us to explicitly handle global structures such as the topology of the network. We consider a framework using an original formalization in the Coq proof assistant of a distributed computation model based on message passing with either synchronous or asynchronous behavior. The declarative rules of the Netlog language for specifying distributed protocols and the virtual machines for evaluating these rules are encoded in Coq as well. We consider as a case study tree protocols, and show how this framework enables us to formally verify them in both the asynchronous and synchronous setting.