UCB Communication Networks: Big Picture Jean Walrand U.C. Berkeley www.eecs.berkeley.edu/~wlr.

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Presentation transcript:

UCB Communication Networks: Big Picture Jean Walrand U.C. Berkeley

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 | B |... B  port A | 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 Client Server Network Packet Transport

UCB Future... Now: “Complex” Network Network Application and Contents Servers, Caches, Traffic Control, Redirection Agents, Processing

UCB Future... Server Location Server Allocation (Load Balancing) Traffic Control: Quality Contract Client Mobility Rapid Deployment: Self-configuration Role of Optical Switches New Problems:

UCB Future... Examples: Smart Dust

UCB Future... Examples: Sensor Networks Temperature around X? X