Method and system for applying cluster-based group multicast to content-based publish-subscribe system

Abstract

A facility is provided for implementing a content-based publish-subscribe system using a group-based multicast. The facility includes mapping all possible groups of the publish-subscribe system to a smaller number of multicast groups, wherein the smaller number of multicast groups include brokers and the brokers have consumers. The mapping includes clustering the brokers of the publish-subscribe system into C clusters of multicast groups, wherein each cluster of the C clusters has its own subset of multicast groups, and wherein C>1. The clustered multicast groups are then used to forward an event to consumers within the content-based publish-subscribe system by multicasting the event up to C times, each multicasting being to a different cluster of the C clusters.

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