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CogProt: A Framework for Cognitive Configuration and Optimization of Communication Protocols

Barcelona, 11 th May 2010. CogProt: A Framework for Cognitive Configuration and Optimization of Communication Protocols. Dzmitry Kliazovich University of Luxembourg, Luxembourg. Neumar Malheiros, University of Campinas, Brazil Nelson L. S. da Fonseca, Edmundo Madeira.

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CogProt: A Framework for Cognitive Configuration and Optimization of Communication Protocols

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  1. Barcelona, 11th May 2010 CogProt: A Framework for CognitiveConfiguration and Optimization ofCommunication Protocols Dzmitry Kliazovich University of Luxembourg, Luxembourg Neumar Malheiros, University of Campinas, Brazil Nelson L. S. da Fonseca, Edmundo Madeira Fabrizio Granelli University of Trento, Italy

  2. Outline • Introduction • The Cognitive Framework • Performance Evaluation • Conclusion

  3. Motivation • Advancements in network technologies dramatically increased management complexity • Degradation of performance due to time-varying network conditions is a challenging issue. • It is not always possible to anticipate the best setup due to the unpredictable state of the network.

  4. Goal • A novel approach to dynamic reconfiguration of network protocols • Cognitive networking • Cross-layer design • Distributed decision-making

  5. The Proposed Solution • CogProt: cognitive framework for dynamic adjustment of communication protocols • Support initial setup and runtime reconfiguration • Decentralized • Incremental deployment • Low processing requirements • TCP/IP compliant

  6. CogProt Overview

  7. The Cognitive Loop

  8. Performance Evaluation • Ns-2 simulations • Parameter of interest: increase factor of the TCP congestion window

  9. Average Throughput

  10. Throughput over Time

  11. Conclusion • We have proposed a distributed cognitive framework to deal with management complexity and avoid performance degradation • No changes on standard protocol messages or operation. • Incremental deployment • Wide range of tunable parameters

  12. Future Work • Evaluation of other probability distributions • Application to other TCP/IP protocols • Real implementation • Further development of CIS architecture and signaling

  13. Thank you.Neumar Malheirosncm@ic.unicamp.br

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