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Education and Innovation in Embedded Systems Design

USI Università della Svizzera italiana, USI Faculty of Informatics, Advanced Learning and Research Institute USI Università della Svizzera italiana USI Faculty of Informatics USI Advanced Learning and Research Institute
TitleA Protocol For Pervasive Distributed Computing Reliability
Publication TypeConference Paper
Year of Publication2008
AuthorsFerrante, A., R. Pompei, A. Stulova, and A V. Taddeo
Conference NameSecPri_WiMob 2008
Date Published10/2008
PublisherIEEE
Conference LocationAvignon, France
Keywordsprotocol, quality of service (QoS), security, trusting
Abstract

The adoption of new hardware and software architectures will make future generations of pervasive devices more flexible and extensible. Networks of computational nodes will be used to compose such systems. In these networks tasks will be delegated dynamically to different nodes (that may be either general purpose or specialized). Thus, a mechanism to verify the reliability of the nodes is required, especially when nodes are allowed to move in different networks. In this context, the reliability of nodes is determined by their ability to execute the tasks assigned to them with the promised performances. This paper proposes a protocol to evaluate the reliability of the different nodes in the network, thus providing a trusting mechanism among nodes which can also manage the soft/hard real-time constrains of task execution. Some simulation results are also shown to help describing the properties of the protocol.