Utilize este identificador para referenciar este registo: http://hdl.handle.net/10451/14005
Título: Análise do Tempo de Resposta da Composição de Micro-Protocolos
Autor: Ventura, João
Orientador: Rodrigues, Luís Eduardo Teixeira
Palavras-chave: Real-Time
Communication Protocols
Micro-Protocols
Schedulability Analysis
Distributed Systems
Data de Defesa: Abr-2003
Editora: Department of Informatics, University of Lisbon
Relatório da Série N.º: di-fcul-tr-03-7
Resumo: With the increase of processing power and network bandwidth it is possible to build sophisticated distributed hard-real time systems. The construction of such communication systems using the composition of several micro-protocol objects is an approach that has been applied with success in the non real-time arena. This encourages the re-use of protocol components and allows the applications to configure stacks tailored to their needs. To benefit from this approach in hard real-time systems, one must be able to derive the timing behavior of a protocol composition given a description of its protocol objects. This thesis presents a general framework to analyse the timing behavior of protocol stacks derived from the composition of micro-protocols. Individual micro-protocols are described as protocol objects that subscribe and produce events; interactions among adjacent protocols are modeled by the exchange of these events. The protocol implementation is modeled by a set of tasks, each programmed to handle a specific protocol event. To illustrate the use of the framework, a study is presented on the timing analysis of a set of modular fault-tolerant group communication protocols designed for the CAN field-bus: RELCAN and EDCAN. In order to perform this study, an existing software tool was extended to comply with the model requirements
URI: http://hdl.handle.net/10451/14005
http://repositorio.ul.pt/handle/10455/3102
Aparece nas colecções:FC-DI - Master Thesis (dissertation)

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