Use ns-3 to create a multi-node network with a mix of starting and stopping traffic

[dosirrah]

Try creating web user talking across a network to a web server. The web user should randomly start and stop in a pattern that reasonably matches web user behavior.

b) create a network with several web users.

c) figure out how to gather statistics from links within the network, and how to create plots.

d) create 1) a plot in jupyter notebooks using matplotlib that shows the amount of traffic vs. time, and 2) shows a histogram of packet lengths.