E191-06: Internet Infrastructures

Introduction to Networking 2026

Lectures

2026-10-05: Lecture 1

Date:2026-10-05
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Intro & Organization (Slides)
  • Networked Communication: What are networks and Protocols? (Slides)


2026-10-12: Lecture 2
Date:2026-10-12
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • IETF, IANA, ICANN, RIR, NIC: How the Internet is/was made (Slides)
  • A Layer 1 refresher – Bits, Modulation, et al. (Slides)
  • Forwarding and networking paradigms (circuit, switched, state) (Slides)
2026-10-19: Lecture 3
Date:2026-10-19
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Ethernet I: Introducing Layer 2
  • Ethernet II: Hubs, Switches, VLANs
    (+ first exercise)
  • IP: The Internet Protocol – Intro (v4, classes, cidr, ARP)
2026-11-09: Lecture 4
Date:2026-11-09
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • IP: The Internet Protocol Today – IPv6, NDP (+ second exercise)
  • Static Routing: Forwarding IP Packets, longest prefix match
  • Routing Algorithms: Link State
  • Routing Protocols: OSPF, ISIS
2026-11-16: Lecture 5
Date:2026-11-16
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Routing Algorithms: Distance-Vector
  • Routing Protocols: Babel, BGP



2026-11-23: Lecture 6
Date:2026-11-23
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Payloads: ICMP / ICMPv6
  • Payloads: UDP (+ third exercise)



2026-11-30: Mid Term
Date:2026-11-30
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI







2026-12-07: Lecture 7
Date:2026-12-07
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Payloads: TCP (intro, 3way handshake)
  • Payloads: TCP (ack-numbers, loss recovery)
2026-12-14: Lecture 8
Date:2026-12-14
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Congestion Control (TCP vs. UDP, slowstart/reno etc.) (+ fourth exercise)
  • Socket Programming: Unix, Sockets, Nagle’s algorithm
2027-01-11: Lecture 9
Date:2027-01-11
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Application Layer: DNS I
  • Application Layer: DNS II (DNSSEC) (+ last exercise)
  • Application Layer: Telnet
2027-01-18: Lecture 10
Date:2027-01-18
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI
Content:
  • Advanced Concepts: Unicast, Anycast, Multicast
  • „Ask me Anything“
2027-01-25: Final Exam
Date:2027-01-25
Time:12:00 – 14:00
Room:EI 11 HS – INF (81) – CA – Gusshausstr. 27-29 NEU EI