• Lecture 1 (PDF) (Jan 7, 2019) - administrative stuff, lab1
• Lecture 2 (PDF) (Jan 9, 2019) - what is the Internet (1.1), the network edge (1.2), lab1, PA1
• Lecture 3 (PDF) (Jan 14, 2019) - the network edge (1.2), the network core (1.3), PA1
• Lecture 4 (PDF) (Jan 16, 2019) - delay, loss, throughput (1.4), protocol layers, service models (1.5), network under attack (1.6), history of Internet (1.7), PA1, lab2
• (Jan 21, 2019) - Martin Luther King Day, university holiday
• Lecture 6 (PDF) (Jan 23, 2019) - sockets programming, lab3, principles of network applications (2.1)
• Lecture 7 (PDF) (Jan 28, 2019) - principles of network applications (2.1), the web and HTTP (2.2), lab4, pa2+pa3
• Lecture 8 (PDF) (Jan 30, 2019) - the web and HTTP (2.2), electronic mail in the Internet (2.3), DNS (2.4), pa2+pa3, multithreading part 1
• Lecture 9 (PDF) (Feb 4, 2019) - DNS (2.4), peer-to-peer applications (2.5), lab5, multithreading parts 1 & 2
• Lecture 10 (PDF) (Feb 6, 2019) - video streaming and conent distribution networks (2.6), socket programming (2.7), multithreading parts 1 & 2
• Lecture 11 (PDF) (Feb 11, 2019) - transport-layer services (3.1), multiplexing and demultiplexing (3.2), and connectionless transport: UDP (3.3), principles of reliable data transfer (3.4), lab6, multithreading part 3 - mutex
• Lecture 12 (PDF) (Feb 13, 2019) - principles of reliable data transfer (3.4), multithreading part 3 - mutex
• (Feb 18, 2019) - Presidents' Day, university holiday
• Lecture 14 (PDF) (Feb 20, 2019) - principles of reliable data transfer (3.4), connection-oriented transport: TCP (3.5), lab7, multithreading part 3 - mutex, pa4
• Lecture 15 (PDF) (Feb 25, 2019) - midterm, connection-oriented transport: TCP (3.5), lab8
• Lecture 16 (PDF) (Feb 25, 2019) - principles of congestion control (3.6), TCP congestion control (3.7), pa4
• Lecture 17 (PDF) (Mar 4, 2019) - midterm exam, pa4, multithreading part 4 - generalized synchronization with condition variables
• Lecture 18 (PDF) (Mar 6, 2019) - midterm solutions, overview of network layer (4.1), multithreading part 4 - generalized synchronization with condition variables, lab9
• (Mar 11-15, 2019) - spring recess
• Lecture 19 (PDF) (Mar 18, 2019) - what's inside a router (4.2), lab 10
• Lecture 20 (PDF) (Mar 20, 2019) - the Internet protocol (IP): IPv4, addressing, IPv6, and more (4.3), lab10, pa5
• Lecture 21 (PDF) (Mar 25, 2019) - IPv6, and more (4.3), generalized forwarding and SDN (4.4), introduction (5.1), routing algorithms (5.2), lab11, pa5
• Lecture 22 (PDF) (Mar 27, 2019) - routing algorithms (5.2)
• Lecture 23 (PDF) (Apr 1, 2019) - routing algorithms (5.2) intra-AS routing in the Internet: OSPF (5.3), routing among the ISPs: BGP (5.4), lab12
• Lecture 24 (PDF) (Apr 3, 2019) - routing among the ISPs: BGP (5.4), the SDN control plane (5.5), ICMP: the Internet control message protocol (5.6), network management and SNMP (5.7), lab12
• Lecture 25 (PDF) (Apr 8, 2019) - introduction to the link layer (6.1), error-detection and correction techniques (6.2), multiple access links and protocols (6.3), lab13
• Lecture 26 (PDF) (Apr 10, 2019) - multiple access links and protocols (6.3), switched local area networks (6.4), lab13
• Lecture 27 (PDF) (Apr 15, 2019) - switched local area networks (6.4), link virtualization: a network as a link layer (6.5), data center networking (6.6), retrospective: a day in the life of a web page request (6.7), introduction wireless and mobile networks (7.1), lab14
• Lecture 28 (PDF) (Apr 17, 2019) - introduction wireless and mobile networks (7.1), wireless links and network characteristics (7.2), wifi: 802.11 wireless LANs (7.3), what is network security (8.1), principles of cryptography (8.2), lab14
• Lecture 29 (PDF) (Apr 22, 2019) - principles of cryptography (8.2), pa6
• Lecture 30 (PDF) (Apr 24, 2019) - principles of cryptography (8.2), end-point authentication (8.4), message integrity and digital signatures (8.3), securing e-mail (8.5), securing TCP connections: SSL (8.6)

Preview:

• (May 3, 2019) - final exam, 11am - 12:40pm (firm)

• Administrative
  • course administration (PDF)
  • midterm (PDF)
  • housekeeping (PDF) (frequent updates)

• Discussion
  • sockets programming (PDF)
  • multithreading parts 1 & 2 - thread creation and termination (PDF)
    • first.cpp, first-arg.cpp, fac.cpp, create.cpp, ref-create.cpp, bad-create.cpp, join.cpp, join-ref.cpp, lambda-join.cpp, lambda-join-ref.cpp, exit-detach.cpp, detach.cpp, bad-dyn-create.cpp, bad-dyn-create2.cpp, bad-dyn-create3.cpp, join-dyn.cpp, join-dyn3.cpp, join-dyn4.cpp, join-new.cpp
  • multithreading part 3 - mutex (PDF)
    • race.cpp, no-race.cpp, no-race-atomic.cpp
  • multithreading part 4 - generalized synchronization with condition variables (PDF)
    • cv.cpp

• Ch 1 - Computer Networks and the Internet
  • what is the Internet (1.1), the network edge (1.2), the network core (1.3) (PDF) (6-up PDF)
  • delay, loss, throughput (1.4), protocol layers, service models (1.5), network under attack (1.6), history of Internet (1.7) (PDF) (6-up PDF)

• Ch 2 - Application Layer
  • principles of network applications (2.1), the web and HTTP (2.2), electronic mail in the Internet (2.3) (PDF) (6-up PDF)
  • DNS (2.4), peer-to-peer applications (2.5), video streaming and conent distribution networks (2.6) (PDF) (6-up PDF)
  • socket programming (2.7) (PDF) (6-up PDF)

• Ch 3 - Transport Layer
  • transport-layer services (3.1), multiplexing and demultiplexing (3.2), connectionless transport: UDP (3.3) (PDF) (6-up PDF)
  • principles of reliable data transfer (3.4) (PDF) (6-up PDF)
  • connection-oriented transport: TCP (3.5) (PDF) (6-up PDF)
  • principles of congestion control (3.6), TCP congestion control (3.7) (PDF) (6-up PDF)

• Ch 4 - The Network Layer: Data Plane
  • overview of network layer (4.1), what's inside a router (4.2) (PDF) (6-up PDF)
  • the Internet protocol (IP): IPv4, addressing, IPv6, and more (4.3), generalized forwarding and SDN (4.4) (PDF) (6-up PDF)

• Ch 5 - The Network Layer: Control Plane
  • introduction to the network control plane (5.1), routing algorithms (5.2) (PDF) (6-up PDF)
  • intra-AS routing in the Internet: OSPF (5.3), routing among the ISPs: BGP (5.4) (PDF) (6-up PDF)
  • the SDN control plane (5.5), ICMP: the Internet control message protocol (5.6), network management and SNMP (5.7) (PDF) (6-up PDF)

• Ch 6 - The Link Layer and LANs
  • introduction to the link layer (6.1), error-detection and correction techniques (6.2), multiple access links and protocols (6.3) (PDF) (6-up PDF)
  • switched local area networks (6.4) (PDF) (6-up PDF)
  • link virtualization: a network as a link layer (6.5), data center networking (6.6), retrospective: a day in the life of a web page request (6.7) (PDF) (6-up PDF)

• Ch 7 - Wireless and Mobile Networks
  • introduction wireless and mobile networks (7.1), wireless links and network characteristics (7.2) (PDF) (6-up PDF)
  • wifi: 802.11 wireless LANs (7.3), cellular Internet access (7.4) (PDF) (6-up PDF)
  • mobility management: principles (7.5), mobile IP (7.6), managing mobility in cellular networks (7.7), wireless and mobility: impact on higher-layer protocols (7.8) (PDF) (6-up PDF)

• Ch 8 - Security in Computer Networks (most likely will cover only part of this chapter)
  • what is network security (8.1), principles of cryptography (8.2) (PDF) (6-up PDF)
  • end-point authentication (8.4), message integrity and digital signatures (8.3), securing e-mail (8.5), securing TCP connections: SSL (8.6) (PDF) (6-up PDF)
  • network-layer security: IPsec and virtual private networks (8.7), securing wireless LANs (8.8), operational security: firewalls and intrusion detection systems (8.9) (PDF) (6-up PDF)

• Ch 9 - Multimedia Networking (most likely will not cover this chapter)
  • multimedia networking applications (9.1), streaming stored video (9.2), Voice-over-IP (9.3) (PDF) (6-up PDF)
  • protocols for real-time conversational applications (9.4), network support for multimedia (9.5) (PDF) (6-up PDF)

• Miscellaneous
  • blank slides (for use by instructor) (PDF)

Week #	Dates	Topics	Comments
1	1/7&1/9	administrative, Computer Networks and the Internet (Ch 1)	(PA1 #1 starts)
2	1/14&1/16	Computer Networks and the Internet (Ch 1)
3	1/21 1/23	MLK Holiday Application Layer (Ch 2)
4	1/28&1/30	Application Layer (Ch 2)	(PA2 & PA3 starts)
5	2/4&2/6	Application Layer (Ch 2)
6	2/11&2/13	Transport Layer (Ch 3)
7	2/18 2/20	Presidents' Day Holiday Transport Layer (Ch 3)	(PA4 starts)
8	2/25&2/27	Transport Layer (Ch 3)
9	3/4 3/6	midterm exam The Network Layer: Data Plane (Ch 4)
-	3/11-3/15	(Spring Recess)
10	3/18&3/20	The Network Layer: Data Plane (Ch 4)	(PA5 starts)
11	3/25&3/27	The Network Layer: Control Plane (Ch 5)
12	4/1&4/3	The Link Layer and LANs (Ch 6)
13	4/8&4/10	Wireless and Mobile Networks (Ch 7)	(PA6 starts)
14	4/15&4/17	Wireless and Mobile Networks (Ch 7)
15	4/22&4/24	Security in Computer Networks (Ch 8)