Mejorando la Computación Ubicua Confiable: Estudio de un Caso (Boosting Dependable Ubiquitous Computing: A Case Study)

Christian Fernández Campusano (, Roberto Cortiñas Rodríguez (, Mikel Larrea Álava (

Universidad del País Vasco UPV/EHU
This paper appears in: Revista IEEE América Latina

Publication Date: May 2014
Volume: 12,   Issue: 3 
ISSN: 1548-0992

Ubiquitous computing has inherent features, e.g., a number of elements in the system with restricted communication and computation capabilities, which make harder to achieve dependability. In this work we explore this research line through the study of TrustedPals, a smartcard-based framework that allows implementing security policies in ubiquitous systems and applications in a decentralized way. The current architecture of TrustedPals uses a consensus algorithm adapted to the omission failure model. In this work, we propose to alternatively use the Paxos algorithm, in order to address more ubiquitous environments.

Index Terms:
dependable ubiquitous applications, consensus, fault-tolerant agreement, TrustedPals, omission and crash-recovery scenarios, performance study   

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