thanks for your reply. I modified my code to have keep-alive. Below is output. It still send Connection as TE, Close. However I see Keepalive message send but ignored. 
POST / HTTP/1.1
TE: deflate,gzip;q=0.3
Connection: TE, close
Host: someip:port
User-Agent: Perlprogram/0.1
Content-Length: 218
Content-Type: application/text
Keep-Alive: 1

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In reply to Re^2: HTTP Post read response , Post again by perljunkie
in thread HTTP Post read response , Post again by perljunkie

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