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Journal of the Brazilian Computer Society

Print version ISSN 0104-6500On-line version ISSN 1678-4804

Abstract

BRASILEIRO, Francisco Vilar; VASCONCELOS, Sheila Regine Almeida; GALLINDO, Érica de Lima  and  CATAO, Vladimir Soares. On the Design of the Seljuk-Amoeba Operating Environment. J. Braz. Comp. Soc. [online]. 1997, vol.4, n.2, pp.-. ISSN 1678-4804.  http://dx.doi.org/10.1590/S0104-65001997000300005.

Building dependable distributed applications is not an easy task. Designers of such systems have followed two complementary approaches to reduce design complexity, namely: i) the use of appropriate developing tools; and ii) the choice of the most restrictive failure semantics possible for the components that form the system’s underlying execution layer. The Seljuk model uses these two approaches to specify a structured way of providing fault tolerance services in the context of distributed operating environments, thus facilitating the construction and execution of dependable distributed applications. In this paper we present the design of the Seljuk-Amoeba operating environment, which follows the Seljuk model to enhance the Amoeba distributed operating system with the provision of fault tolerance services

Keywords : fault tolerance; Byzantine failures; replicated processing; dependable distributed applications; distributed operating systems.

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