for 3 classes
How Does the Internet Work? Exploring How Information Travels Around the World!
Completed by 412 learners
Ages 9-14
Live Group Class
Live video meetings
1x per week, 3 weeks
4-18 learners per class
50 min
What's included
3 live meetings
2 hrs 30 mins in-class hoursClass Experience
The Internet seems to many to be a magical unknown force that just works, but HOW does it work? This class delves into the very basics of how the internet itself is organized, and how it is built at a very low level. Emphasis is on the mechanics of the internet to explain how everything works together. This lays a solid foundation for exploring further into the technologies involved. In Part 1 we explore how information is sent from one computer to another across the internet. Concepts discussed in Part 1 include : IP addressing Routers and Routing DNS Internet Service Providers Redundancy Packets Bandwidth Ping and Traceroute commands In part 2 we discuss how the flow of packets across routers can become unlimited streams of information. Concepts in part 2 include: Encapsulation Reliable vs unreliable streams TCP UDP Ports Sequence #s Ack packets Connection evaluation using statistics within zoom In part 3 we discuss what is "said" across the streams of packets Concepts discussed in part 3 include: What is a protocol What is a service Services such as HTTP, HTTPS, SMTP, RTSP Hands on tools to explore the use of protocols Languages (ie HTML) sent across streams using a protocol Using telnet to make manual connections to a service There is some amount of hands on work during each of these classes, to allow the student to explore the concepts on their own at their own computer. This is an interactive whiteboarding class, where the teacher draws illustrations on a whiteboard as the class progresses. Questions and comments are welcome and encouraged but not required. Each student can choose their own level of interaction.
Learning Goals
This initial class explains the lowest level of Internet communication through routing of packets. This builds a foundation for understand the higher levels coming in the subsequent classes.
Other Details
External Resources
Learners will not need to use any apps or websites beyond the standard Outschool tools.
Meet the teacher
Teacher expertise and credentials
I have been deeply involved in the technology of the internet before there was an internet. I personally built online systems before the internet existed and watched it's creation while adopting the technology. I managed and built everything from local networks to web services to interstate communication systems and then spent a decade developing high tech internet filtering devices for schools and business. I have lived and breathed the internet from top to bottom, inside and out, since it's birth. This experience gives me the ability to explain complex concepts in a very simple and understandable way. I am passionate about empowering the next generation to take over where we left off, but with a solid foundation.
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