作者: Magdalena Balazinska , Hari Balakrishnan , David Karger
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摘要: The decreasing cost of computing technology is speeding the deployment abundant ubiquitouscomputation and communication. With increasingly large dynamic environments comes challenge scalable resource discovery, where client applications search for resources (services, devices, etc.) on network by describing some attributesof what they are looking for. This normally achieved through directory services (also called resolvers), which store information resolve queries. paper describes design, implementation, evaluation INS/Twine, an approach to intentional resolvers collaborate as peers distribute Our system maps transforming descriptions into numeric keys in a manner that preserves their expressiveness, facilitates even data distribution enables efficient query resolution. Additionally, INS/Twine handles resolver dynamism treating all soft-state.