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Data Transmission Protocols and Routing • Sequence • Lenny.com

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Data Transmission Protocols and Routing

A 7th-grade sequence exploring how the internet functions through packet switching, IP addressing, DNS, and routing redundancy. Students participate in unplugged simulations to understand the rules and hardware that make global communication reliable and fault-tolerant.

Rules of the Road

Students define protocols as standardized sets of rules and explore why they are essential for communication across different devices and networks.

Digital Home Addresses

Introduces IP addressing as the unique identification system for the internet and DNS as the naming service that translates URLs into numerical addresses.

The Great Packet Race

A simulation-heavy lesson where students act as routers and packets to visualize how data is fragmented, sent, and reassembled.

Route Reroute Repeat

Students analyze how the internet remains functional even when parts of the network fail, focusing on routing logic and redundancy.

Fast Lanes and Latency

Explores the performance metrics of the internet, distinguishing between the amount of data sent (bandwidth) and the speed of delivery (latency).

Data Transmission Protocols and Routing

A 7th-grade sequence exploring how the internet functions through packet switching, IP addressing, DNS, and routing redundancy. Students participate in unplugged simulations to understand the rules and hardware that make global communication reliable and fault-tolerant.

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