TDTS06 Computer Networks

Lectures

For details about time and places, please see timedit.

Preliminary schedule 2024

3.9 Welcome. Intro (ch1)
4.9 Intro-1h. Applications-1h (ch1/2)
6.9 Applications (ch2)
10.9 Transport (ch3)
11.9 Transport (ch3)
17.9 Network data (ch4)
18.9 Network data-1h. Control-1h (ch4/5)
24.9 Network control (ch5)
26.9 Link (ch6)
1.10 Wireless (ch7)
2.10 Security (ch8)
9.10 Multimedia (ch9)
15.10 Review
17.10 Guest lecture
29.10 Exam

What is important/optional in each Chapter.

1. Important: Protocol layers, encapsulation, packet switching. Optional: history
2. Important: DNS, HTTP, client-server vs P2P. Optional: socket programming, caching details, P2P math
3. Important: TCP slow start, fast retransmit, go-back-N vs selective ACKs. Optional: details of RDT, costs of congestion
4. Important: router architecture, longest prefix matching, IPv4 vs v6 fragmentation. Optional: ipv6 adoption ways, scheduling policies, ATM service models
5. Important: link state vs distance vector, BGP, concept of SDN. Optional: SDN controllers, network management
6. Important: CSMA/CD, ALOHA, self-learning switches, ARP. Optional: Cable access, MPLS, datacenters
7. Important: WiFi, RTS/CTS, Concepts of CDMA and Mobilty. Optinal: Details of CDMA and Mobile IP, GSM handoffs
8. Important: symmetric vs assymetric crypto, MAC, email security, SSL vs IPsec. Optional: Math of public key crypto, toy SSL, operational security, IKE
9. Important: HAS, FEC, multicast, playback, QoS. Optional: Details of RTP/RTCP and Diffserv

Lecture Material

Abbreviations

Introduction
Reading: Kurose and Ross, Chapter 1

• Slides: 2023 (welcome, ppt)
• Store-and-forward
• Queueing
• Transmission vs propagation delay
• Demo: ping, tracert, ipconfig

Application layer
Reading: Kurose and Ross, Chapter 2

• Slides: (ppt),
• HTTP versions
• DNS versions
• Bittorrent animation
• Demo: nslookup, dig, telnet 80, view source email

Lesson
Sockets and Assignment 2
2023 (Gurjot)

Transport layer
Reading: Kurose and Ross, Chapter 3

• Slides: (ppt),
• Go-back-N vs Selective repeat
• Flow Control

Network layer:Data Plane
Reading: Kurose and Ross, Chapter 4

• Slides: (ppt)
• IPv6 statistics

Network layer: Control Plane
Reading: Kurose and Ross, Chapter 5

• Slides: (ppt)
• Dijkstra animation
  DV count to infinity
  LiU AS
  Current BGP Table
  List of ASes
  BGP hijack
  CIDR Report

Mid-point overview (extra 2015)
Reading: Kurose and Ross, Chapter 1-5

• Slides: 2015
• For SDN, NFV, and NV discussion, we looked at slides by Scott Shenker

Link layer
Reading: Kurose and Ross, Chapter 6

• Slides: (ppt)
• CSMA/CD animation

Wireless and mobile networks
Reading: Kurose and Ross, Chapter 7

• Slides: (ppt)
• CSMA/CA
• CSMA/CA with hidden terminals

Security
Reading: Kurose and Ross, Chapter 8.

• Slides: (ppt)

Multimedia networking
Reading: Kurose and Ross, Chapter 9

• Slides: (ppt)

Overview lecture (including exam hints)
Reading: Kurose and Ross, Chapter 1-9.

• Slides: 2023 (full)

Guest lecture
slides 2023

Page responsible: Andrei Gurtov
Last updated: 2024-07-16