Link: What a difference .1 makes: HTTP 1.1 Persistent Connections

Subbu Allamaraju has written a very good description of the tricks HTTP 1.1 goes to utilise connections more efficiently.

Reading his article makes very clear that persistent connections are quite tricky and developing new code dealing with the topic requires careful thought.

And, of course, troubleshooting persistent connections is quite hard. Ethereal comes quite handy in here, but even that does not know how to extract individual parts of conversations. Does anybody know free tools that work in a network sniffing mode (not proxy mode)?

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