Weekly Note 3 - Week 38

16-19 in U55 (Big auditorium time!)

We will start discussing CDN and streaming video, which we did not cover in lecture 2.

Then we will start the coverage of the transport layer, covering UDP, elaborating a bit on the services provided by the transport layer, multiplexing/demultiplexing and the principles of reliable data transfer.

This will include the two pipelining protocols Go-Back-N and Selective-Repeat for making RDT efficient.

September 19th. 12-14 in U156

or

September 20th. 10-12 in U154

Preparation:

Try to answer these exercises from chapter 3 of the book:

And consider:

In class:

Spend the first half discussing the exercises prepared at home, and the Socket exercises from last week (if you did not do it last week).

The second part of the session, you will work with DNS using Wireshark. Instructions can be found in the Instructions menu → Wireshark DNS