Recent posts in Computer Networks

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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...
Manoja Rajalakshmi A posted in Computer Networks Oct 29, 2018
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3
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.
Sandeep Verma posted in Computer Networks Aug 25, 2016
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