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Day Date Contents Slides Assignments  1  Oct 15 Introduction to Computer Networks
Networks- links and nodes, 
Based on links- simplex, half duplex, full duplex
Based on connection- point to point, multipoint
Circuit switching- dedicated channel is required, not efficient
Packet switching- store and forward, congestion and loss of packets may occur
Unicast, multicast, broadcast
Time division multiplexing, Frequency division multiplexing, statistical multiplexing
Errors- bit error, burst error, packet loss, node/link...

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Consider a TCP connection with 10 ms round-trip time, max segment size = 2 KB, receiver window = 64 KB. Suppose packet #4 timed out and all other transmissions were successful. RTO value is 50 ms. Calculate the time required to reach the receiver window size. Assume RTT is fixed.

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Good problems on Sliding Window Protocols: http://web.mit.edu/6.02/www/s2011/handouts/tutprobs/transport.html