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  • 1. Peer-to-Peer Architecture 1 1
  • 2. Problem: Communication between Every Pair of Peers 2 2
  • 3. Idea (old): A peer p only needs to communicate with another peer q if p is relevant to q 3 3
  • 4. Recall: In C/S Architecture, the server has global information and decide who is relevant to who. 4 4
  • 5. Problem: No global information in P2P architecture. 5 5
  • 6. Naive Solution: Every peer keeps global information about all other peers and make individual decision. 6 6