Understanding the Internet
Discover the inner workings of the internet, its history, applications, and global governance protocols with this online course from Keio University.
Duration
4 weeks
Weekly study
3 hours
100% online
How it works
Unlimited subscription
Learn more
Established
1858
Location
Tokyo, Japan
World ranking
Source: QS World University Rankings 2021
Explore the essential elements of the internet from IP addresses to digital data
The internet allows people all over the world to connect, communicate, and transfer data.
On this four week course from Keio University, you’ll discover how the internet works. You’ll be guided through the basics of internet infrastructure and the history of the internet, giving you the skills to discuss internet functionality and explain data transference.
Investigate the fundamentals of network technology and internet connectivity
Taking a deeper look at both the OSI reference model and the TCP/IP model, you’ll learn about network architecture and protocol details, examining the different layers of internet infrastructure.
You’ll explore the global internet infrastructure, allowing you to understand the workings of the internet on both a personal level and on a global scale.
With this knowledge, you’ll be able to explain how the internet works as an essential service within the exchange of digital data.
Learn about the evolution of internet applications
Taking an in-depth look at the application layer, you’ll explore its impact on communication, security, and creativity.
You’ll investigate the concept of cloud computing and learn how it has transformed data handling.
Using this understanding, you’ll be able to track the evolution of applications to align with changing user requirements and discuss potential future applications of the internet.
Examine cyberspace as a global space
Described as the foundation of global society, the internet allows communication unlimited by borders. However, with this freedom comes risks that the global community must consider and address.
By exploring the challenges of an internet based society, you’ll finish this course understanding how the internet works and how it is operated, as well as how it is managed and governed.
Week 1
What is the Internet?
Introduction
Let's get started to explore all about the Internet!
How is the world connected?
Let's look at the Internet connection around us. And let's deepen our understanding of the Internet from the history of its birth.
What is digital data?
The Internet carries digital data. Let's take a closer look at digital data on the Internet.
The Foundation of the Internet
Let’s learn about the fundamental operations when computers communicate with each other as well as "addresses" and "names", which are the most important elements for the Internet to operate.
How does Data Travel on the Internet?
How does the data of the website that you are looking at reach your smartphone from a remote computer? In this section, we will focus on the basic task of the Internet, "delivering data", and learn more about how it works.
Summary of the Week 1
Recap what we learned in the week1.
Week 2
How is the Internet working?
Design of the Internet
Let’s further explore the Internet system that we learned about in Week 1 focusing specifically on the architecture and design of the Internet.
Quality of the Internet
In this section, let's try to understand the quality of Internet communication, while taking a closer look at the IP and TCP mechanisms we've learned so far.
Technology for the Internet Infrastructure
Let’s shift our focus to the part below those two layers, namely the physical layer, which actually sends the digital signals physically.
Summary of the Week 2
Summary of the Week 2 and introduction of Week 3
Week 3
Applications on the Internet
Welcome to Week 3
Discussion about the applications from the Internet perspective.
Client-Server Model
Let's learn the basic model of the Internet applications.
Secure Communication
Secure communication is the fundamental functionality for the Internet as a social platform.
Network Engineering
The Internet is evolving to meet the people and society's needs. Let's take a look at its challenges and solutions.
Network Computing
The computers on the Internet are more integrated to become a stronger cloud for the service.
Summary of the Week 3
Let's recap what you learned this week and discuss the future you will create.
Week 4
Internet Based Society
Welcome to Week 4
Let's discuss the global internet based society!
Global Collaboration for Internet Technology
We will learn about the people and social structures that create, run, develop, and protect the Internet, and consider what an Internet-based society would be like.
Global Coordination for the Internet Operation
Global Coordination for the Internet Operation
Global Collaboration for Governance
Understand the current Internet Governance issues and how you can contribute.
REN - Research and Education Network
There is a specialized Internet for research and education purpose connecting Universities and research institutes around the world. Why is it so important for our future?
Challenges to the Global Cyberspace
The Internet is growing and evolving. Let's see some challenges we are facing today for the future.
Summary of the Course
Recap what we learned and discuss the future!
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