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Aspect-oriented fault tolerance for real-time embedded systems

Afonso, Francisco; Silva, Carlos A.; Brito, Nuno; Montenegro, Sérgio; Tavares, Adriano

Real-time embedded systems for safety-critical applications have to introduce fault tolerance mechanisms in order to cope with hardware and software errors. Fault tolerance is usually applied by means of redundancy and diversity. Redundant hardware implies the establishment of a distributed system executing a set of fault tolerance strategies by software, and may also employ some form of diversity, by using dif...


Application-level fault tolerance in real-time embedded systems

Afonso, Francisco; Silva, Carlos A.; Tavares, Adriano; Montenegro, Sérgio

Critical real-time embedded systems need to make use of fault tolerance techniques to cope with operation time errors, either in hardware or software. Fault tolerance is usually applied by means of redundancy and diversity. Redundant hardware implies the establishment of a distributed system executing a set of fault tolerance strategies by software, and may also employ some form of diversity, by using different...


Applying aspects to a real-time embedded operating system

Afonso, Francisco; Silva, Carlos A.; Montenegro, Sérgio; Tavares, Adriano

The application of aspect-oriented programming (AOP) to the embedded operating system domain is still a very controversial topic, as this area demands high performance and small memory footprint. However, recent studies quantifying aspects overheads in AspectC++ show that the resource cost is very low. Therefore, operating system development may benefit with the modularization of crosscutting concerns and syste...


Implementation of middleware fault tolerance support for real-time embedded app...

Afonso, Francisco; Silva, Carlos A.; Montenegro, Sérgio; Tavares, Adriano

Critical real-time embedded systems need to apply fault tolerance strategies to deal with operation time errors, either in hardware or software. In this paper we present the ongoing work to provide application fault tolerance by means of implementing middleware transparent support over the BOSS embedded operating system. The middleware uses a publishersubscriber protocol and enables the execution of several fau...


Middleware Fault Tolerance Support for the BOSS Embedded Operating System

Afonso, Francisco; Silva, Carlos A.; Montenegro, Sérgio; Tavares, Adriano

Critical embedded systems need a dependable operating system and application. Despite all efforts to prevent and remove faults in system development, residual software faults usually persist. Therefore, critical systems need some sort of fault tolerance to deal with these faults and also with hardware faults at operation time. This work proposes fault-tolerant support mechanisms for the BOSS embedded operating ...


Diretrizes da cirúrgia de revascularização miocárdica valvopatias e doenças da ...

Brick,Alexandre Visconti; Souza,Domingos Sávio Ramos de; Braile,Domingos Marcolino; Buffolo,Enio; Lucchese,Fernando Antonio

Data: 2004   |   Origem: OASIS br

Diretrizes de doença coronariana crônica angina estável

Mansur,Antonio de Pádua; Armaganijan,Dikran; Amino,José Geraldo; Sousa,Antônio Carlos; Simão,Antonio Felipe; Brito,Augusto Xavier de; Caramelli,Bruno

Data: 2004   |   Origem: OASIS br

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia