Equipe de recherche SARDES

Rapports d'activité

Overall objectives

The overall goal of the Sardes project-team is to develop software engineering and software infrastructure (operating system, virtual machine, middleware) foundations for the construction of provably dependable, self-manageable distributed systems.

To contribute to the above goal, the project-team has three major objectives:

To develop component-based software technology, that allows the construction of efficient, dynamically configurable systems, and that relies on a well-defined formal foundation.

To develop a “language-based” approach to the construction of configurable, provably dependable operating systems and distributed software infrastructures.

To develop algorithms and control techniques required to build scalable, self-manageable distributed systems.

In line with these objectives, the project-team organizes its research along four major areas:

Languages and foundations for component systems Work in this area focuses on language support and semantical foundations for distributed component-based systems, with two main goals: (1) the development of a new generation of reflective software component technology with a formal semantical basis, and extensive language support in the form of architecture description and programming languages for dynamic distributed software architectures; (2) the study of process calculus foundations and coinductive proof techniques for distributed component-based programs.

System support for multiscale systems Work in this area focuses on operating system and middleware services required for the construction of component-based systems at different scales (multicore systems on chip, and peer-to-peer systems), with two main goals: (1) to develop algorithms and operating system functions required for the support of efficient event-based concurrency and component reconfiguration in MPSoCs; (2) to develop algorithms and middleware functions required for the deployment, configuration and operation of applications in realistic peer-to-peer environments, typically exploiting an epidemic approach.

Control for adaptive and self-managed systems Workk in this area focuses on the exploitation and development of discrete and continuous control techniques for the construction of adaptive component-based system. Application domains considered for this theme are, respectively, embedded systems and performance management for application server clusters.

Virtual machine for component systems Work in this area focuses on the development of a component-based virtual machine for embedded systems, with two main goals: (1) to develop an extended instruction set for component support, including support for dynamic configuration, orthogonal component persistence, and isolation; (2) to develop a native implementation of the virtual machine, on resource-constrained hardware.

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