This week’s topics
How data travels across the internet
- Packets and IP addresses
- Routers
What you will be able to do
- 1.1 Explain the client-server model.
- 1.2 Describe the difference between LAN and WAN.
Activity
Simulate sending a message in packets across the classroom.
Study materials
Further resources
- An Introduction to Computer Networks, 1.3–1.4: Packets and Forwarding · PDF · Dordal, An Introduction to Computer Networks, release 2.0.11, 1.3–1.4: packets and how routers forward them (a step up), pp. 14–17 · for registered students
- An Introduction to Computer Networks, 1.10: IP – Internet Protocol · PDF · Dordal, An Introduction to Computer Networks, release 2.0.11, 1.10: IP addresses and routers, pp. 24–29 · for registered students
- Kurose & Ross Wireshark lab: IP · PDF · Kurose & Ross Wireshark lab (v9), hands-on lab: see IP addresses inside real packets · for registered students
- The design philosophy of the DARPA Internet protocols · Open-access article · Clark (1988), ACM SIGCOMM '88. How packets and routers carry data, from a chief Internet architect. · for registered students
- Development of the Domain Name System · Open-access article · Mockapetris & Dunlap (1988), ACM SIGCOMM '88. How names are turned into IP addresses, explained by the DNS designers. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.