Active brokers and their runtime deployment in the ECho/JECho distributed event systems
2001
This paper introduces active brokers and third-party derivation, which is the basic programming construct for run-time remote broker deployment, in the ECho/JECho distributed event systems. We describe its implementation in the JECho system and give examples of using it in ECho/JECho distributed event systems. In particular, we describe the use of third-party derivation in supporting the scalability of content-based event delivery. Specifically, third-party derivation is used both to dynamically construct content-based event distribution trees and to offload potentially expensive client-specific event routing/processing by the run-time creation of remote brokers. Our preliminary benchmark results demonstrate the significant benefits of using third-party derivation.
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