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                           Users 
                            are able to communicate with Information Exchange 
                            via TCP/IP. In order for Expedite/CICS to operate 
                            in a TCP/IP environment, users have to specify the 
                            TCP communication parameter and provide valid TCP/IP 
                            override parameters in a file that will be read at 
                            CICS startup. The default is SNA. 
                             
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