Publications by Nuno Filipe de Sousa Santos

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Swift Algorithms for Repeated Consensus

André Schiper, Martin Hutle, Fatemeh Borran, Nuno Filipe de Sousa Santos

We introduce the notion of a swift algorithm. Informally, an algorithm that solves the repeated consensus is swift if, in a partial synchronous run of this algorithm, eventually no timeout expires, i.e., the algorithm execution proceeds with the actual spe ...

EPFL2010

Swift Algorithms for Repeated Consensus

André Schiper, Martin Hutle, Fatemeh Borran, Nuno Filipe de Sousa Santos

Ieee Computer Soc Press, Customer Service Center, Po Box 3014, 10662 Los Vaqueros Circle, Los Alamitos, Ca 90720-1264 Usa2010

Latency-aware Leader Election

André Schiper, Martin Hutle, Nuno Filipe de Sousa Santos

Experimental studies have shown that electing a leader based on measurements of the underlying communication network can be beneficial. We use this approach to study the problem of electing a leader that is eventually not only correct (as aptured by the fa ...

ACM2009

Latency-aware leader election

André Schiper, Martin Hutle, Nuno Filipe de Sousa Santos

Experimental studies have shown that electing a leader based on measurements of the underlying communication network can be beneficial. We use this approach to study the prob- lem of electing a leader that is eventually not only correct (as captured by the ...

ACM Press2009

The AMGA Metadata Service

Nuno Filipe de Sousa Santos

We present the AMGA metadata catalogue, which was developed as part of the EGEE (enabling Grids for EsciencE) project's gLite Grid middleware. AMGA provides access to metadata for files stored on the Grid, as well as a simplified general access to relation ...

Springer Verlag2008

Nuno Filipe de Sousa Santos

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Swift Algorithms for Repeated Consensus

Swift Algorithms for Repeated Consensus

Latency-aware Leader Election

Latency-aware leader election

The AMGA Metadata Service

Security in distributed metadata catalogues

Latency-aware leader election

Latency-aware Leader Election

Swift Algorithms for Repeated Consensus

Security in distributed metadata catalogues

Swift Algorithms for Repeated Consensus

The AMGA Metadata Service