Homework 3

  1. Page 285, 1, 2, 3, 5
  2. Page 287: (11), 12, (13), (15), (16), 17, (18), 19, 20, (21), (23), (25)
  3. What happens if GBN is used over a network that reorders packets.
  4. Show the timing diagram for a GBN transmission where N=3, there are no unacknowledged packets, and the 3rd packet is lost. Show the timing until the 7th packet is successfully ACKed.
  5. Do the same as in D, but for selective repeat.