1. A method for a first processing system to communicate with a second processing system using a network architecture, said method comprising: issuing, by an application program running on said first processing system, a first routine specifying a connection name identifying a network path from said application program to a resource in said second processing system; issuing, by said application program, a second routine for accessing a networking function of said network architecture, said routine having at least one parameter; and specifying, in the at least one parameter of said second routine, an identifier parameter correlating to said specified connection name of said first routine.