Class 1. 9/15/20. Topics: Introductions all around. Course overview and goals. Logistics.  Structure and timing of classes. Topics: What is the Internet, what is a protocol?  The network edge and core.  Performance: delay, loss and throughput. Protocol layering and service models.  Encapsulation. Networks under Attack, Computer networking history.

• Reading: Sections 1.1 – 1.7 in class textbook
• Watch: recordings for sections 1.1 – 1.7. Videos corresponding to Chapter 1 sections are here.
• The slides we used in class are here

Class 2. 9/22/20.  Introduction to the Application Layer, the Web and HTTP, Email, the Domain Name Systems (DNS).

• Reading: Sections 2.1 – 2.4 (skip 2.5) in textbook.
• Watch: recordings for sections 2.1 - 2.4. Videos corresponding to these Chapter 2 sections are here.
• The slides we used in class are here
• Wireshark Labs: I'd recommend that you try out the Wireshark Lab, which you can do on your own computer - just to see what it's like. The text for the lab is here. And if you want to answer questions and get them checked (online), you can go here.

Class 3. 10/2/20 (moved from 9/29).  DNS (we didn't have time to discuss on 9/22), Video Streaming and CDNs, Socket programming.

• Reading: Sections 2.6, 2.7 in textbook.
• The slides we used in class are here
• Try out that Wireshark lab from 9/22 if you haven't had a chance (optional).
• Watch: recordings for sections 2.6, 2.7. Videos corresponding to these Chapter 2 sections are here.

Class 4. 10/13/20. Introduction to the transport layer, Multiplexing and demultiplexing, UDP, principles of reliable data transfer.

• Reading: Sections 3.1 - 3.4 in textbook.
• Watch: recordings for sections 3.1-3.4. Videos corresponding to these Chapter 3 sections are here.
• The slides we used in class are here

Class 5. 10/20/20. TCP reliable data transfer, congestion control, TCP congestion control.

• Reading: Sections 3.5 - 3.8 in textbook.
• Watch: recordings for sections 3.5-3.8. Videos corresponding to these Chapter 3 sections are here.
• The slides we'll use in class are here

Class 6. 10/27/20. The network layer. Overview of the network layer. What's inside a router (input and output ports, switching fabric, packet queueing and scheduling)? IPv4: datagram format.

• Reading: Sections 4.1, 4.2, 4.3.1.
• Watch: recordings for these sections. Videos corresponding to these chapter 4 sections are here.
• The slides we'll use in class are here (TBD).

Class 7. 11/5/20. The network layer (continued). IP4 addressing, Network Address Translation (NAT), IPv6, tunneling.

• Reading: Sections 4.3.2 through 4.3.4
• Watch: recordings for sections these sections. Videos corresponding to these sections are here (chapter 4).
• The slides we'll use in class are here.

Class 8. 11/10/20. The network layer: generalized forwarding, Internet architecture -the BIG picture. The network control plane.

• Reading: Sections 4.4 through 5.1.
• Watch: recordings for sections these sections. Videos corresponding to these sections are here (Chapter 4) and here (Chapter 5).
• The slides we'll use in class are here.

Class 9. 11/17/20. Routing algorithms, Routing protocols, intradomain versus interdomain routing, Software defined networking.

• Reading: Sections 5.2 (lightly), 5.3, 5.4, 5.5.
• Watch: recordings for sections these sections. Videos corresponding to these sections are href="http://gaia.cs.umass.edu/kurose_ross/videos/5/"> here (Chapter 5).
• The slides we'll use in class are here.

Class 10. 11/24/20. The link layer.
Link-layer services, error detection/correction, the multiple access problem, LANs and swtiches, ARP, MPLS.

• Reading: Sections 6.1, 6.2 (lightly), 6.3, 6.4
• Watch: recordings for some of these sections are href="http://gaia.cs.umass.edu/kurose_ross/videos/6/"> here (Chapter 6).
• The slides we'll use in class are here.

Class 11. 12/1/20. The link layer continued.
Ethernet, Ethernet switches,VLANS.

• Reading: Sections 6.4, 6.5.
• The slides we'll use in class are here.

Class 12. 12/8/20. The link layer continued.
EVPNs, MPLS, Data Center networks,

• Reading: Sections 6.5, 6.6,
• The slides we'll use in class are here.

 

Class 12. 12/16/20. Wireless networks,

• Reading: Sections 7.1,7.3, 7.4
• The slides we'll use in class are here.