Delta: Scalable Data Dissemination Under Capacity Constraints

Provided by: VLD Digital
Topic: Data Management
Format: PDF
In content-based publish-subscribe (pub/sub) systems, users express their interests as queries over a stream of publications. Scaling up content-based pub/sub to very large numbers of subscriptions is challenging: users are interested in low latency, that is, getting subscription results fast, while the pub/sub system provider is mostly interested in scaling, i.e., being able to serve large numbers of subscribers, with low computational resources utilization. The authors present a novel approach for scalable content-based pub/sub in the presence of constraints on the available CPU and network resources, implemented within their pub/sub system delta.

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