UCB Communication Networks Big Picture Jean Walrand U C Berkeley www eecs berkeley edu wlr UCB Outline Communication Networks Packets Switch Transport Future UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Communication Networks UCB Packets A B A B1 2 A B 3 A B port 2 B 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 UCB Transport UCB Future Before Simple Network Network Server Client Packet Transport UCB Future Now Complex Network Network Application and Contents Servers Caches Traffic Control Redirection Agents Processing UCB Future New Problems Server Location Server Allocation Load Balancing Traffic Control Quality Contract Client Mobility Rapid Deployment Self configuration Role of Optical Switches UCB Future Examples Smart Dust UCB Future Examples Sensor Networks X Temperature around X
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