Towards a Foundational API for Resilient Distributed Systems Design


Danilo Pianini  /  Danilo Pianini, Matteo Francia, Mirko Viroli, Jacob Beal

Engineering resilient distributed systems remains extremely challenging, particularly in mapping from collective specifications to individual device behavior. Aggregate programming aims to address this problem using a computational field abstraction to provide inherent guarantees of resilience, scalability, and safe composition. These capabilities are provided, however, by an expressive but terse set of operators too low-level for pragmatic use in complex systems development. We thus present an API to raise the level of abstraction, thereby providing an accessible and user-friendly interface for construction of complex resilient distributed systems. In particular, we capture and organize a large, heterogeneous collection of algorithms and use patterns into a unified framework, including methods for common tasks such as leader election, distance and state estimation, and gossip-based information dissemination. We demonstrate how the expressiveness of this library reduces the abstraction gap required to engineer scenarios of large-scale pervasive computing, while introducing the novel multiInstance pattern enabling an unanticipated composition of computational fields.

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2nd eCAS Workshop on Engineering Collective Adaptive Systems

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Tucson, AZ, USA

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18/09/2016

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