3bc3ea7b   
   From: grahn+nntp@snipabacken.se   
      
   On Mon, 2010-09-27, Guy Fleegman wrote:   
   > Hello:   
   > I have been using a packet sniffer to diagnose a slowness i am seeing   
   > in one of our SFTP transfers.   
   > In particular I am seeing these smaller recurring "handshakes" beyond   
   > the initial set up.   
   > More concerning is the fact that there seems to be a recurring need   
   > for an "ACK" then an "ACK PSH" before more data is sent. However..we   
   > are seeing delays between 6 to 90 seconds for the ACK PSH to appear   
   >   
   > Where should i look/consult for what is considered the standard for   
   > SFTP's implementation of TCP/IP ?   
      
   Sftp doesn't implement TCP or IP -- it uses the ones that come with   
   the OS.   
      
   It's not possible to tell what you're seeing just based on the   
   information above, but try posting some output from tcpdump. Or   
   try learning to interpret it yourself -- it's not that hard.   
      
   /Jorgen   
      
   --   
     // Jorgen Grahn    O  o   .   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)