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UCB Communication Networks: Big Picture Jean Walrand U.C. Berkeley www.eecs.berkeley.edu/~wlr
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UCB Outline Communication Networks Packets Switch Transport Future
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Communication Networks
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UCB Packets A B A | B |... B port 2 1 2 3 A | B |...
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UCB Packets: Main Ideas The switches have no memory of packets: scalability The network is independent of the applications: flexibility The packet formats and addresses are independent of the technology: extensibility
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UCB Transport
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UCB Future... Before: “Simple” Network Client Server Network Packet Transport
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UCB Future... Now: “Complex” Network Network Application and Contents Servers, Caches, Traffic Control, Redirection Agents, Processing
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UCB Future... Server Location Server Allocation (Load Balancing) Traffic Control: Quality Contract Client Mobility Rapid Deployment: Self-configuration Role of Optical Switches New Problems:
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UCB Future... Examples: Smart Dust
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UCB Future... Examples: Sensor Networks Temperature around X? X
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