1. WIHIDUMEvaluating performance on two topologies for a broker hierarchy of distributed publish subscribe middleware Done by DilshanAmadoru, HasiniGunasinghe, ChaminiHasanga and PrabathAbeysekara Under the supervision of Mrs. VishakaNanayakkara and Dr. SrinathPerera

2. Publish Subscribe Paradigm Send them all here. I only need sports info I’m publishing valuable information about sports and politics. Great. Please send them all to me. I’m not interested Send about politics here. Wihidum – CS & ES Conference – 09 Sep 2010

4. Number of communication channels are reduced.

5. Many communication channels when there are multiple publishers and subscribers.Wihidum – CS & ES Conference – 09 Sep 2010

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

8. Tree Topology B1 S2 B2 B3 S1 B4 B5 B6 P1 Wihidum – CS & ES Conference – 09 Sep 2010

9. Cluster Topology SSCC SSCC 1 9 SCC SCC 9 5 SCC 1 5 7 CC CC CC 9 C3 1 3 CC CC C4 SC3 6 8 C5 10 C2 C1 2 4 SC2 SC1 SSC2 SSC1 S2 P1 S1 C1,C2,C4,C5-Clusters SC-Super Cluster SSC-Super Super Cluster CC-Cluster-Controller SCC-Super Cluster Controller SSCC-Super Super Cluster Controller Wihidum – CS & ES Conference – 09 Sep 2010

10. Performance Testing Broker Hierarchy CC Publishers SCC B Listeners Subscribers Wihidum – CS & ES Conference – 09 Sep 2010

11. Throughput Results Subscription Throughput Publication Throughput Wihidum – CS & ES Conference – 09 Sep 2010

13. Simple structure

14. Efficient in the publication process

16. Complex structure

17. Efficient in the subscription process

18. Multiple nodes at the top most level

19. Load is distributed at three levels of clusteringWihidum – CS & ES Conference – 09 Sep 2010

20. Wihidum Highlights Wihidum – CS & ES Conference – 09 Sep 2010

21. Q & A Do you want to know more ? Wihidum – CS & ES Conference – 09 Sep 2010

22. Thank You WIHIDUM Wihidum – CS & ES Conference – 09 Sep 2010