Conclusion and contributions

• The P2P Messaging System improves peer group communication
  • Collaborates with peer-to-peer network
  • Overlay network for each peer group
  • Multi-ring topology
  • High performance
    
    
• Multi-ring topology concepts
  • Inner rings established using elected peers
  • Dual mode links
  • Backup links
    
    
• Multi-ring topology characteristics
  • Decentralized
  • Scalable
  • Robust against peer failures
  • Fast adjustment to networks dynamics
  • Exploiting individual peer capabilities
    
    
• Prototype implementation (single ring)
  • Collaboration with the peer-to-peer network JXTA
  • Outperforms JXTA performance and reliability