Motivation and problem statement

• Second generation of peer-to-peer networks are emerging
  • Beyond filesharing: General purpose (JXTA, Pastry)
  • Echanced capabilities: routing, caching (JXTA)
    
    
• New applications are emerging
  • Content Delivery (e.g. Kontiki)
  • Collaboration (e.g. Groove)
  • Knowledge management (e.g. Pepper)
  • Games (JXTAChess)
    
    
• Increased demand for peer group communication
  
  
• Missmatch: peer-to-peer vs. individual peer groups