Computer networks notes
How an HTTP Request Travels
From fetch() in your code to bits on the wire, the full encapsulation journey. Every section is a drawn page beside a clear written explanation, about 20 minutes in all.
- Chapter 1 of 31
- About 20 minutes
- 10 sections
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In this chapter
- The setup
- The connection is a 4-tuple
- Step 1: DNS turns the name into an IP
- Step 2: Build the HTTP request
- Step 3: HTTP rides on TCP
- Step 4: Text becomes bytes
- Step 5: The browser hands off to the OS
- Step 6: Break the data into chunks
- Wrap 1: The TCP segment
- Wrap 2: The IP packet
Next chapters
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