The PADRES Event Processing Network: Uniform Querying of Past and Future Events
Abstract
This paper outlines requirements and sketches techniques for introducing to the publish/subscribe model the capability to uniformly access data produced in the past and future. The new model can filter, aggregate, correlate and project any combination of historic and future data. A flexible architecture is presented consisting of distributed and replicated data repositories that can be provisioned in ways to tradeoff availability, storage overhead, query overhead, query delay, load distribution, parallelism, redundancy and locality.
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Tags: content-based publish/subscribe, overlay design, padres, publish/subscribe
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