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WHAT WE LEARNED FROM ONIONS?

Pral2a
May 12, 2020

WHAT WE LEARNED FROM ONIONS?

What happens when you type google.com into your browser and press enter?

An opinionated presentation about the OSI Model and the Internet for Fab Academy

Pral2a

May 12, 2020
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  1. ARP and MAC How we address the physical? or how

    we glue Layer 2 and 3 together to built a network
  2. Sender MAC: interface:mac:address:here Sender IP: interface.ip.goes.here Target MAC: FF:FF:FF:FF:FF:FF (Broadcast)

    Target IP: target.ip.goes.here Sender MAC: target:mac:address:here Sender IP: target.ip.goes.here Target MAC: interface:mac:address:here Target IP: interface.ip.goes.here
  3. What happens when you send an Email? Or a MQTT

    message from your Arduino to Node-Red?