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In general IO::Socket process (regardless of which socket and what typ
+e of socket to use) what should be the recommended process to detect 
+if the remote machines are alive/reachable if you dont want to put a 
+DIE command after the IO::Socket::INET->new() process? (of course, to
+ avoid HANG and probably you would have other codes to execute after 
+the socket connect process...)

sub doit
{
...
}
}  
 }