SAS/CONNECT and 
 SAS/SHARE
               support the following  communications access methods: 
            
 
            
               
               
                  TCP/IP (Transmission Control Protocol/Internet Protocol)
                     
 
                     
                        is a program-to-program
                           interface that is supported on hardware from multiple vendors. TCP/IP
                           is supported under the UNIX, Windows, and  z/OS operating environments.
                        
                      
                   
                  XMS (Cross-Memory Services)
                     
 
                     
                        is an interface that
                           is part of the  z/OS  operating
                           environment and is used by programs that run within a single  z/OS  environment.