A Lightweight Container Architecture for Runtime Verification

  • Authors:
  • Hakim Belhaouari;Frédéric Peschanski

  • Affiliations:
  • Laboratoire d'Informatique de Paris 6, UPMC Paris Universitas,;Laboratoire d'Informatique de Paris 6, UPMC Paris Universitas,

  • Venue:
  • Runtime Verification
  • Year:
  • 2008

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Abstract

We present in this paper a runtime verification architecture that enforces formal contracts for component-based systems. The contracts are based on logical assertions combined with state-transition systems. They are expressed separately from the implementation logic. A set of static analyses can be applied on the contracts but ultimately further verifications have to be performed on-line. This is the main purpose of the monitoring system we describe in this paper. The monitoring architecture is based on a model of lightweight hierarchical containers that exhibits a high-level of flexibility and extensibility. For instance, containers can be dynamically composed and unplugged on a per-instance basis. Beyond runtime verification, the monitoring architecture is reused for other purposes such as QoS monitoring and component hot-swapping. A performance comparison with other design by contract environments is also proposed.