From: rick.jones2@hp.com   
      
   > > However, presently, data in the SYN segment is not supposed to   
   > > be presented to the application until the handshake is complete.   
      
   > Assuming that there is an "application", separate from the rest   
   > of the system...   
      
   Well, in TCPspeak the "application" is whatever is sitting above TCP.   
      
   > Otherwise, the reply could by SYN, ACK, data, FIN, and you still   
   > need the ACK on that, but the whole transaction in three packets.   
      
   The rise and fall of Transactional TCP (aka T/TCP) might be of interest.   
      
   rick jones   
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