Hybrid content-based publish/subscribe system

Current typical content-based publish/subscribe systems (CPS) are not efficient in subscription processing or event matching. This paper presents hybrid content-based publish/subscribe system (HCPS), a novel CPS which joins predicate indexing and testing network approaches. We put subscription coverage mechanism, which are separated from testing network structures, into predicate indexing mechanism to sustain efficient matching, whilst adding, deleting and changing large number of subscriptions. Finally, experiments and performance analysis show that HCPS significantly improve throughput of event propagation and reduce response time to subscription updates.