one or more threads of w3wp.exe are waiting to finish network I/O

Question

I'm currently experiencing some hangs on production environmen of our web application server and after some investigation I'm not seeing too much request queued up in the worker process of the Application Pool just normall one may be 10 or 15 , the state of most of this request is ExexuteRequestHandler , when i monitor w3wp.exe in Resource monitor and right click it and choose Analyze wait chain , i found i got the atatched error message "one or more threads of w3wp.exe are waiting to finish network I/O"

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and in this point the system become very slow and i have to end process of the hanging w3pw.exe to make it normal again, but this issue happen like 4 times daily.

any help please where to check

I followed the instrcutions in this issue but withour any resulte

How prevent CPU usage 100% because of worker process in iis