This document evaluates the performance of two broker hierarchy topologies for distributed publish-subscribe middleware: a tree topology and a cluster topology. The tree topology has a simple structure but the root node becomes a bottleneck. The cluster topology has a more complex structure that distributes load across three clustering levels, making it more scalable. An experiment was conducted to test the throughput of subscriptions and publications in each topology. The results showed differences in how efficiently each topology handled subscriptions and publications.
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Wihidum-Distributed Broker Hierarchy based on WS-Eventing
1. WIHIDUMEvaluating performance on two topologies for a broker hierarchy of distributed publish subscribe middlewareDone by DilshanAmadoru, HasiniGunasinghe, ChaminiHasanga and PrabathAbeysekaraUnder the supervision of Mrs. VishakaNanayakkara and Dr. SrinathPerera
2. Publish Subscribe ParadigmSend them all here. I only need sports infoI’m publishing valuable information about sports and politics.Great. Please send them all to me.I’m not interestedSend about politics here.Wihidum – CS & ES Conference – 09 Sep 2010
3. Effect of a single broker Messaging broker stores subscriptions and delivers the matching publications.
7. Our focus is to design, implement and evaluate two topology algorithms.Single messaging broker is not scalable!Wihidum – CS & ES Conference – 09 Sep 2010