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Origin of different network timeouts?

I would like to know why e.g. linux uses 20 second timeout for socket connect. I can't find any information myself so I'm curious if anyone knows better sources or happens to know the rational off-hand. Are questions about historical purpose of a given unix/linux facet generally too broad? Or is there a way I can improve my question?

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    Well done on using Meta to get help improving your question! – Wildcard Jul 7 '17 at 7:20
8

Your questions were put On Hold as too broad

From help-center

too broad - if your question could be answered by an entire book, or has many valid answers (but no way to determine which - if any - are correct), then it is probably too broad for our format

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question.

I think that having one specific question would be a good start.

I'd rephrase it as follows:

Linux uses 20 seconds as default network timeout

  • What is the reason for this specific timeout value?

Note that: java and bsd use different values for the network timeout (30 for java and ~75 for bsd)

If you have any references for the timeout values you mentioned, I'd add those references as a note.

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    You do have a point, and i applaud you for taking a crack at identifying just what's wrong with the question in question – cat Jul 7 '17 at 6:50

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