Débat sur les bombardements d'Hiroshima et de Nagasaki
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Quorum systems (introduced in the late seventies) and atomic broadcast (introduced later) are two techniques to manage replicated data. Despite of the fact that these two techniques are now well known, the advantage of atomic broadcast over quorum systems ...
This report presents the formal semantics of COALA, a design language based on the concept of Coordinated Atomic Actions (CA actions). COALA has been developped with the intent of providing a concrete language to express CA actions and thus facilitate the ...
A Coordianted Atomic Action (CA Action) is a unified scheme for coordinating complex concurrent activities and supporting error recovery between multiple interacting objects in distributed object-oriented systems. They constitute a very interesting concept ...
Experimental apparatus and data analysis techniques used in neutral particle analyzer (NPA) diagnostics on the Tokamak a Configuration Variable (TCV) are described. Two NPAs are used on TCV to measure the energy spectrum of neutral particle fluxes from the ...
We investigate the dielectric screening across the Si-SiO2 interface using a first-principle approach. By determining the profile of the microscopic polarization and the effective polarizabilities of SiOn (n = 0,..4) structural units, we show that the vari ...
Although transactional models have proved to be very useful for numerous applications, the development of new models to reflect the ever-increasing complexity and diversity of modern applications is a very active area of research. Analysis of the existing ...
The chief aim of this survey is to discuss exception handling models which have been developed for concurrent object systems. In conducting this discussion we rely on the following fundamental principles: exception handling should be associated with struct ...
Database replication protocols based on group communication primitives have recently emerged as a promising technology to improve database fault-tolerance and performance. Roughly speaking, this approach consists in exploiting the order and atomicity prope ...
The objectives of this research are twofold. On the first hand, it aims to show the interest of Coordinated Atomic actions (CA actions) as a design concept and, on the other hand it explains how the formal language COOPNTWO can be used to express a CA acti ...
Performance Comparison of a Rotating Coordinator and a Leader Based Consensus Algorithm Peter Urban, Naohiro Hayashibara, Andre Schiper, and Takuya Katayama Protocols that solve agreement problems are essential building blocks for fault tolerant distribute ...
