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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Filter Merging for Efficient Information Dissemination
verfasst von : Sasu Tarkoma, Jaakko Kangasharju
Erschienen in: On the Move to Meaningful Internet Systems 2005: CoopIS, DOA, and ODBASE
Verlag: Springer Berlin Heidelberg
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In this paper we present a generic formal framework for filter merging in content-based routers. The proposed mechanism is independent of the used filtering language and routing data structure. We assume that the routing structure computes the minimal cover set. It supports merging of filters from local clients, hierarchical routing, and peer-to-peer routing. The mechanism is also transparent and does not require modifications in other routers in the distributed system to achieve benefits. In addition to content-based routers, the system may also be used in firewalls and auditing gateways. We present and analyze experimental results for the system.