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Coordinated runtime adaptations in cooperative open real-time systems
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Orientador(es)
Resumo(s)
This paper proposes an one-step decentralised coordination
model based on an effective feedback mechanism to reduce
the complexity of the needed interactions among interdependent
nodes of a cooperative distributed system until
a collective adaptation behaviour is determined. Positive
feedback is used to reinforce the selection of the new desired
global service solution, while negative feedback discourages
nodes to act in a greedy fashion as this adversely impacts
on the provided service levels at neighbouring nodes.
The reduced complexity and overhead of the proposed decentralised
coordination model are validated through extensive
evaluations.