Schedule

Fall 2024 (08/28/2024 - 12/14/2024)

The semester has 29 class meetings including the final exam. Clicking on a class day below, you should find the class module for the day including lecture notes, assignments, and others. The instructor releases the content for a class generally on the Monday before the class. However, the instructor often makes update to the module content after the initial release. You should check this page often for up-to-date content.

In case you encounter a problem when viewing class content, such as, a broken link, please report it to the instructor immediately.

W01-1: 08/28 Overview

Topics: overview of class organization; foundations of computer networks (applications, requirements, and architecture)

Lecture Notes

Course Overview Foundations: Requirements

Reading

Sections 1.1 - 1.2 of the textbook

W02-1: 09/02 College Closed - No Classes Scheduled

Notice: College Closed - No Classes Scheduled

W02-2: 09/04 Architecture and Network Software

Topics: foundations of computer networks (applications, architecture, and network programming)

Lecture Notes

Foundations: Architecture Foundations: Network Programming and Experiment Envrionment

Reading

Sections 1.3 - 1.5 of the textbook

W03-1: 09/09 Experiment Environment and Packet Capture

Topics: discussing experiment environment and network packet capture; reviewing applications, architecture, and network programming

Lecture Notes

Foundations: Network Programming and Experiment Envrionment (Tutorial) Capture Web Traffic

Lab/Programming Assignment

Homework exercises: set up programming and experiment environment and run the example Python programs (complete experiments 1 - 3 and exercises 1 - 3, submit work on Blackboard) (Due: September 16)

Reading

Sections 1.3 - 1.5 of the textbook

W03-2: 09/11 Introduction to Performance Metrics

Topics: foundations of computer networks: performance metrics (bandwidth, latency, and the product of the two)

Lecture Notes

Foundations: Performance

In-Class Lab Exercises

In-Class exercises on network performance metrics (in slides) (Due: September 11)

Reading

Section 1.6 of the textbook

W04-1: 09/16 Direct Link Networks - Part I - Encoding and Framing

Topics: Encoding and framing

Lecture Notes

Overview of Technology Landscape Encoding and Framing

In-Class Lab Exercises

In-Class exercises on encoding (in slides) (Due: September 18)

Reading

Section 2.1 - 2.4 of the textbook

W04-2: 09/18 Direct Link Networks - Part II - Error Detection (Concept)

Topics: error detection and reliable transmission (stop-and-wait; sliding window; concurrent logical channel)

Lecture Notes

Error Detection - Concept and 2-Dimensional Parity

In-Class Lab Exercises

In-Class exercises on framing and error detection (on character/bit stuffing and on two-dimensional parity, in slides) (Due: September 18)

Reading

Section 2.5 of the textbook

W05-1: 09/23 Direct Link Networks - Part III - Error Detection (CRC)

Topics: error detection and reliable transmission (stop-and-wait; sliding window; concurrent logical channel)

Lecture Notes

Error Detection - CRC

In-Class Lab Exercises

In-Class exercises on error detection (on CRC, in slides) (Due: September 23)

Reading

Section 2.4 of the textbook

W05-2: 09/25 Direct Link Networks - Part IV - Stop-and-Wait

Topics: reliable transmission (stop-and-wait; sliding window; concurrent logical

Lecture Notes

Reliable Transmission: Stop-and-Wait and Sliding Window

In-Class Lab Exercises

In-Class exercises on reliable transmission (on stop-and-wait, in slides) (Due: September 25)

Reading

Section 2.5 of the textbook Sliding Window protocol animation

W06-1: 09/30 Direct Link Networks - Part V - Sliding Window

Topics: media access control, contention resolution protocols, Ethernet

Lecture Notes

Reliable Transmission: Sliding Window

Reading

Section 2.6 of the textbook Chapter 2 of the reference book

W06-2: 10/02 No Classes Scheduled

Notice: No Classes Scheduled

W07-1: 10/07 Direct Link Networks - Part VI - Media Access Control

Topics: media access control, contention resolution protocols, Ethernet

Lecture Notes

Media Access Control and Ethernet

Reading

Section 2.6 of the textbook Chapter 2 of the reference book

W07-2: 10/09 Direct Link Networks - Part VII - Internet - Programming and Experiment

Topics: Ethernet and Programming

Lecture Notes

Ethernet Programming (Tutorial) Ethernet Programming ane Experiment - Socket API (Tutorial) Ethernet Programming ane Experiment - ScaPy

Lab/Programming Assignment

Homework exercises: experimenting with Ethernet and writing Ethernet sending/receiving programs using ScaPy (complete all experiments and exerices, submit work on Blackboard) (Due: October 15)

Reading

Section 2.6 of the textbook Example programs

W08-1: 10/14 College Closed - No Classes Scheduled

Notice: College Closed - No Classes Scheduled

W08-2: 10/15 Midterm Review

Topics: Brief review

Lecture Notes

Midterm Review

In-Class Lab Exercises

In-Class exercises on packet switching approaches (in slides) (Due: October 21)

Reading

Section 3.1 of the textbook

W08-3: 10/16 Midterm Exam

Topics: The instructor will hold a midterm exam in class

W09-1: 10/21 Internetworking - Part I - Introduction to Packet Switching

Topics: intro to packet switching

Lecture Notes

Introduction to Packet Switching

In-Class Lab Exercises

In-Class exercises on packet switching approaches (in slides) (Due: October 21)

Reading

Section 3.1 of the textbook

W09-2: 10/23 Internetworking - Part II - Switched Ethernet

Topics: Packet switching, switched Ethernet (forwarding algorithm, learning algorithm)

Lecture Notes

LAN Switching - Switched Ethernet

In-Class Lab Exercises

In-Class exercises on Ethernet switching (in slides) (Due: October 23)

Reading

Sections 3.1 and 3.2 of the textbook

W10-1: 10/28 Internetworking - Part III - Spanning Tree - Protocol

Topics: Switched Ethernet (spanning tree algorithm), VLAN (on your own)

Lecture Notes

Spanning Tree Protocol and VLAN

In-Class Lab Exercises

In-Class exercises on Spanning Tree algorithm (in slides) (Due: October 28)

Reading

Section 3.2 of the textbook

W10-2: 10/30 Internetworking - Part III - Spanning Tree - Examples

Topics: Switched Ethernet (spanning tree algorithm and examples), VLAN (on your own)

Lecture Notes

Spanning Tree Protocol and VLAN

In-Class Lab Exercises

In-Class exercises on Spanning Tree algorithm (in slides) (Due: October 30)

Reading

Section 3.2 of the textbook

W11-1: 11/04 Internetworking - Part IV - Internet Overview and IPv4 Packet

Topics: Internetworking (layer 3), IPv4 (packet format)

Lecture Notes

Simple Internetworking: IP Network and Packet Format

In-Class Lab Exercises

In-Class exercises on IPv4 packet format (in slides) (Due: November 4)

Reading

Section 3.3 of the textbook

W11-2: 11/06 Internetworking - Part IV - Internet and Datagram Forwarding (a)

Topics: Internetworking (layer 3), IPv4 (datagram forwarding)

Lecture Notes

Simple Internetworking: IP Network and Datafram Forwarding

In-Class Lab Exercises

In-Class exercises on IP datagram forwarding (in slides) (Due: November 6)

Reading

Section 3.3 of the textbook

W12-1: 11/11 Internetworking - Part IV - Internet and Datagram Forwarding (b)

Topics: Internetworking (layer 3), IPv4 (datagram forwarding)

Lecture Notes

Simple Internetworking: IP Network and Datafram Forwarding

In-Class Lab Exercises

In-Class exercises on IP datagram forwarding (in slides) (Due: November 11)

Reading

Section 3.3 of the textbook

W12-2: 11/13 Internetworking - Part V - Internet - A Few Other Problems (a)

Topics: packet fragmentation and reassembly, address translation, host configuraiton, and error reporting

Lecture Notes

Internetworking: Packet Fragmentation Internetworking: Address Translation Internetworking: Host Configuration and Error Reporting

In-Class Lab Exercises

In-Class exercises on packet fragmentation, address translation, and host configuration (in slides) (Due: November 13)

Reading

Section 3.3 of the textbook

W13-1: 11/18 Internetworking - Part V - Internet - A Few Other Problems (b)

Topics: packet fragmentation and reassembly, address translation, host configuraiton, and error reporting

Lecture Notes

Internetworking: Packet Fragmentation Internetworking: Address Translation Internetworking: Host Configuration and Error Reporting

In-Class Lab Exercises

In-Class exercises on packet fragmentation, address translation, and host configuration (in slides) (Due: November 13)

Reading

Section 3.3 of the textbook

W13-2: 11/20 Internetworking - Part V - Internet - Introduction to IPv6

Topics: Intro to IPv6 (address, packet format)

Lecture Notes

Internetworking: Introduction to IPv6

Reading

Section 4.2 of the textbook

W14-1: 11/25 Internetworking - Part VI - Internet - Lab/Programming

Topics: IP programming and experiments

Lecture Notes

Experiment with IPv4 Address Experiment with IPv6 Address Experiment with IPv4 Address Translation Experiment with IPv4 Forwarding Experiment with IPv6 Forwarding