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Kalman Graffi:
  Monitoring and Management of Peer-to-Peer Systems
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  Management of P2P systems                                                                         C_ID 0,25

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                                                                                                                                                          C_ID 0,75




        Reach and hold preset quality intervals                                              C_ID 0,125

                                                                                                      C2            C_ID 0,375
                                                                                                                                        C_ID 0,625
                                                                                                                                            2
                                                                                                                                               C              C2
                                                                                                                                                                 C_ID 0,875



                                                                                                                             C2
          Monitoring and self-configuration                                                               C_ID 0,3125
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                                                                                                     0,09 0,2 0,31           0,4 0,5           0,6   0,75             0,9
                                                                                                0                                                                             1
  Coordinated resource usage                                                                                5                              1                       1
                                                                                                            0           DHT
        Parameterization influences quality metrics                                            4
                                                                                               5
                                                                                                            4
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                                                                                                                                                                              15

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        Identifying optimization goals needs monitoring

  Monitoring P2P systems
        Global view on statistics of running system:
        avg./stddev./min./max on all metrics
        Gathering peer-specific information
        Precise yet cost effective monitoring

  Self-configuration control loop
        Automated rule application
        Quality goals are reached stepwise and held
        Example: Chord, hop count goal [7;10]
Contact: Kalman Graffi, graffi@mail.upb.de, +49 5121 606730, UniversitĂ€t Paderborn   KOM – Multimedia Communications Lab                                                  1

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Kalman Graffi - 1 Slide - 2010

  • 1. Kalman Graffi: Monitoring and Management of Peer-to-Peer Systems Coordinator_ID 0,5 C0 Management of P2P systems C_ID 0,25 C1 C1 C_ID 0,75 Reach and hold preset quality intervals C_ID 0,125 C2 C_ID 0,375 C_ID 0,625 2 C C2 C_ID 0,875 C2 Monitoring and self-configuration C_ID 0,3125 C3 0,09 0,2 0,31 0,4 0,5 0,6 0,75 0,9 0 1 Coordinated resource usage 5 1 1 0 DHT Parameterization influences quality metrics 4 5 4 0 3 0 2 0 15 0 Identifying optimization goals needs monitoring Monitoring P2P systems Global view on statistics of running system: avg./stddev./min./max on all metrics Gathering peer-specific information Precise yet cost effective monitoring Self-configuration control loop Automated rule application Quality goals are reached stepwise and held Example: Chord, hop count goal [7;10] Contact: Kalman Graffi, graffi@mail.upb.de, +49 5121 606730, UniversitĂ€t Paderborn KOM – Multimedia Communications Lab 1