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