Related Work: JXTA [1,2]

• All purpose peer-to-peer protocol
  • Platform and language independent
  • Reference implementation in Java
  • Routing
  • Security
    
    
• Peer groups to partition peers of common interest
  • Membership service
    
    
• Advertisement of resources like peers, peer groups, and pipes using XML
  • Discovery and response messages
  • Cached locally
    
    
• Pipes offer communication endpoints for peers
  • Hide the delivery done by the peer-to-peer network
  • Unicast and multicast pipes
  • Basic types are unreliable
  • Reliable unicast pipe built on top of the unreliable pipe
    
    
• Relay/rendezvous/router peers take care of additional tasks