I discuss keepalive in TCP and HTTP and its pros and cons
0:00 Intro
3:28 What is KeepAlive
8:30 TCP KeepAlive
10:30 Middleboxes and Single-Path TCP
16:30 Middle Boxes and Keepalive
19:30 The FTP KeepAlive trap
25:00 HTTP KeepAlive
30:00 What's a good keepalive timeout?
https://daniel.haxx.se/blog/2020/02/10/curl-ootw-keepalive-time/
https://datatracker.ietf.org/doc/html/rfc1122#section-4.2.3.6
https://datatracker.ietf.org/doc/html/rfc793#section-3.5
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