You better be aware of what just changed on the Internet. TCP is being replaced with QUIC. UDP is being used more and more instead of TCP. This affects your firewalls. It affects a lot of your network troubleshooting. HTTP/3 has been standardized. Everything is encrypted with QUIC - welcome to the new world of network troubleshooting and security.

// MENU //

00:00 - The Problem with TCP

00:12 - Introducing//Robin Marx

02:12 - Clean Ship, Clean House//RFCs

03:25 - HTTP Semantics//QUIC//HTTP/3

04:17 - Why the Hell Do We Need HTTP/3?

05:05 - Why QUIC?

08:35 - QUIC & TLS Integration

10:02 - Why Use UDP?

13:50 - Replacing TCP with QUIC

14:28 - Summary So Far

15:22 - Stream Multiplexing

15:40 - Head-of-line blocking

18:40 - Why This Slows Things Down

19:29 - How QUIC Does It Differently

20:58 - TCP vs QUIC//Packet Handling

23:11 - HTTP/3 Prioritization

25:25 - Stats//QUIC Isn't Going Anywhere

26:30 - Firewalls are almost useless

27:20 - Firewalls Blocking QUIC?

28:04 - QUIC & Other Protocols?

29:20 - IPv4 & IPv6//Different for QUIC?

29:54 - Challenges for QUIC's Growth

30:43 - Connection Migration

33:33 - What About Hackers?

36:32 - How Do I Get To Use QUIC?

38:28 - Large Companies Adopting QUIC

39:09 - The Internet is Too Centralized?

40:02 - Header Compression

41:55 - Server Push

43:47 - Practical Examples with Wireshark

50:34 - Thank You & How to Contact Robin

// Robin SOCIAL //

Twitter: https://twitter.com/programmingart

LinkedIn: https://www.linkedin.com/in/rmarx/

YouTube: https://www.youtube.com/channel/UCyqP...

// Robin's Blog articles //

HTTP3 core concepts Part 1: https://www.smashingmagazine.com/2021...

HTTP3 core concepts Part 2: https://www.smashingmagazine.com/2021...

HTTP3 core concepts Part 3: https://www.smashingmagazine.com/2021...

// Chris Greer Videos //

HTTPS Decryption with Wireshark: https://youtu.be/GMNOT1aZmD8

Decrypting TLS, HTTP/2 and QUIC with Wireshark: https://youtu.be/yodDbgoCnLM

// David SOCIAL //

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#http3 #quic #tcp