25 May
                
                    2009
                
            
            
                25 May
                
                '09
                
            
            
            
        
    
                5:33 p.m.
            
        * Iljitsch van Beijnum:
30 60 isn't a good choice because that means that after 30.1 seconds a keepalive comes in and then after 60.0 seconds the session will expire while the second one would be there in 60.1 seconds.
Wouldn't the underlying TCP retry sooner than that?