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Aspects of Autonomic Computing in P2P Systems EMANICS Workshop on Management in P2P, 27.April 2009
The Peer-to-Peer Paradigm ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Quality of Service is Key Success Factor ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Costs Security Quality of P2P Systems Retrievability Coherence Consistency Correctness Performance Scalability Flexibility Stability Dependability Service  Provisioning Overlay  Operations Individual Node Complete System IP Infrastructure Availability Reliability Robustness /  Fault tolerance Integrity Confidentiality Authentication Non - repudiation Trust Validity Efficiency Adaptability Costs Security Quality of P2P Systems Retrievability Coherence Consistency Correctness Performance Scalability Flexibility Stability Dependability Service  Provisioning Overlay  Operations Individual Node IP Infrastructure Availability Reliability Robustness /  Fault tolerance Integrity Non - Trust Validity Efficiency Adaptability
Preset Quality Intervals ,[object Object],   See: K. Graffi, D.Stingl, J.Rückert, A.Kovacevic and R.Steinmetz “Monitoring and Management of Structured Peer-to-Peer Systems”,  9th International Conference on Peer-to-Peer Computing (IEEE P2P '09)
Management & Leadership Strategies Management by Techniques Management by Objectives Management by Exception Management by Delegation Management by Decision Rules Management by Direction & Control Management by Results Management by Motivation Management by Participation Integrated Management Models St. Galler Management Model Zürcher Approach MAM Model Hoshin Management Other Management Concepts Total Quality Management Lean Management  Change Management Kaizen 7-S-Model
Management by Techniques in the Management Process Formulating of Objectives Management by Objectives Planning Management by Alternatives Decision Making Management by Decision Rules Management by Exception Implement Management by Delegation Communicating Management by Participation Management by Motivation Controlling Management by Results Management by Systems
Autonomic Computing Cycle
Autonomic Computing Cycle in P2P Systems
Applied for P2P Systems Hop Count = 20 Hop Count to high Increase routing table size Set routing table size to 80  Monitoring Analyze Plan Execute
Monitoring in Structured P2P Systems ,[object Object],[object Object],[object Object],[object Object]
SkyEye.KOM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SkyEye.KOM – Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],0 1 1 10 50 20 30 40 45 15 0,09 0,2 0,3 0,4 0,51 0,6 0,75 0,9 SkyEye on a Chord Overlay
The Monitoring Tree
SkyEye.KOM – Information Flow ,[object Object],[object Object],[object Object],[object Object],0 0,25 0,75 0,125 0,375 0,625 0,875 0,1875 0,0625 0,3125 0,4375 0,5625 0,6875 0,8125 0,9375 0,5 1
Simulation Setup (Monitoring) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Application Transport Overlay User Simulation Engine   Network PeerfactSim.KOM Service
[object Object],[object Object],Node Count and Churn ,[object Object],[object Object],[object Object],[object Object],Online and offline peers
Smoothing: Eliminate Outliners ,[object Object],[object Object],[object Object],[object Object]
Relative Error ,[object Object],[object Object],[object Object],[object Object],[object Object]
Branching Factor and Average Freshness ,[object Object],[object Object],[object Object],[object Object],[object Object]
Smooth Monitoring View
Autonomic Computing: Next Steps
Rule based Planing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stepwise Adaptation ,[object Object],[object Object],[object Object]
Execution: Spreading of new Configuration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[µ,σ,σ²,Σ, min, max] [µ,σ,σ²,Σ, min, max] [µ,σ,σ²,Σ, min, max]
Analysis and Planing ,[object Object],[object Object],[object Object],[object Object],[object Object],[µ,σ,σ²,Σ, min, max] + Decision
Simulation Setup ,[object Object],[object Object],[object Object],[object Object],Application Transport Overlay User Simulation Engine   Network PeerfactSim.KOM Service
Starting with Low Hop Count ,[object Object],[object Object],[object Object],[object Object],[object Object]
Starting with High Hop Count ,[object Object],[object Object],[object Object],[object Object],[object Object]
Simulation with 10,000 nodes
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],? Can I keep the quality of my p2p system? System quality ? SkyEye.KOM Information Management Over-Overlay
Questions? KOM Have a look at: www.lifesocial.org www.skynet-project.com www.kom.tu-darmstadt.de

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2009 kalman.graffi emanics_aspects_ofautonomiccomputing_20090617

  • 1. Aspects of Autonomic Computing in P2P Systems EMANICS Workshop on Management in P2P, 27.April 2009
  • 2.
  • 3.
  • 4.
  • 5. Management & Leadership Strategies Management by Techniques Management by Objectives Management by Exception Management by Delegation Management by Decision Rules Management by Direction & Control Management by Results Management by Motivation Management by Participation Integrated Management Models St. Galler Management Model Zürcher Approach MAM Model Hoshin Management Other Management Concepts Total Quality Management Lean Management Change Management Kaizen 7-S-Model
  • 6. Management by Techniques in the Management Process Formulating of Objectives Management by Objectives Planning Management by Alternatives Decision Making Management by Decision Rules Management by Exception Implement Management by Delegation Communicating Management by Participation Management by Motivation Controlling Management by Results Management by Systems
  • 8. Autonomic Computing Cycle in P2P Systems
  • 9. Applied for P2P Systems Hop Count = 20 Hop Count to high Increase routing table size Set routing table size to 80 Monitoring Analyze Plan Execute
  • 10.
  • 11.
  • 12.
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19.
  • 22.
  • 23.
  • 24.
  • 25.
  • 26.
  • 27.
  • 28.
  • 30.
  • 31. Questions? KOM Have a look at: www.lifesocial.org www.skynet-project.com www.kom.tu-darmstadt.de

Notes de l'éditeur

  1. Roter Faden: Evtl. Unklare Details:
  2. Roter Faden: Was ist P2P? Welche QoS Anforderungen bisher gestellt? Evtl. Unklare Details:
  3. Roter Faden: Viele Qualitätsaspekte wichtig für P2P Systeme Evtl. Unklare Details:
  4. Planung?? Was kann man bei planung schreiben? Vielleicht management by alternatives?? Keine der Techniken bietet – für sich alleine angewandt – ein geschlossenes Führungskonzept. Die Techniken ergänzen sich gegenseitig.
  5. | | November 19, 2007