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Back to the basics: How does the internet work

Milda
March 27, 2019

Back to the basics: How does the internet work

Milda

March 27, 2019
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  1. Milda Glebauskaitė
    How does the internet work?
    Back to the basics
    [email protected] twitter@mildagle

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  2. What’s internet?

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  3. Not World Wide Web

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  4. World Wide Web
    is an information sharing model

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  5. What’s internet?

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  6. Request to store image
    Respond OK

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  7. Request to get image
    Respond with Image
    Request to store image
    Respond OK

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  8. INTER + NET
    INTERCONNECTED NETWORK

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  9. IP 88.119.150.196

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  10. IP 88.119.150.196
    MAC 00-14-22-01-23-45
    MAC 01-1f-52-01-23-47

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  11. IP 88.119.150.196
    MAC 00-14-22-01-23-45
    MAC 01-1f-52-01-23-47
    IP 192.168.1.50
    IP 192.168.1.57

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  12. IP 88.119.150.196
    IP 185.230.61.163

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  13. IP 88.119.150.196
    IP 185.230.61.163

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  14. Domain Name System

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  15. www.wix.com 185.230.61.163

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  16. www.wix.com 185.230.61.163
    www.wix.com

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  17. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server

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  18. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.

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  19. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.
    .com server
    www.wix.com

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  20. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.
    .com server
    www.wix.com
    wix.com xxx.xxx.xx.xx.

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  21. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.
    .com server
    www.wix.com
    wix.com xxx.xxx.xx.xx.
    wix.com server
    www.wix.com

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  22. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.
    .com server
    www.wix.com
    wix.com xxx.xxx.xx.xx.
    wix.com server
    www.wix.com
    185.230.61.163

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  23. www.wix.com 185.230.61.163
    www.wix.com
    www.wix.com
    Root server
    . com xxx.xxx.xx.xx.
    .com server
    www.wix.com
    wix.com xxx.xxx.xx.xx.
    wix.com server
    185.230.61.163
    www.wix.com
    185.230.61.163

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  24. Recap
    ▪ You write a web address to your browser
    ▪ Computer sends a request to DNS to receive the destination IP address
    ▪ Computer sends a request data to destination IP address
    ▪ Data hops from one router to another finding the best way going over different Tier
    Networks
    ▪ Server receives the data and sends the response data

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  25. There is so much more...

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  26. Thank You
    [email protected] twitter@mildagle

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