Transcript of UCB Communication Networks: Big Picture Jean Walrand U.C. Berkeley wlr.
UCB
Communication Networks:Big Picture
Jean WalrandU.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 | B | ...
B port 2
12
3
A | B | ...
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