SSCP-PUSystem Services Control Point-Physical Unit
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This reduction in turn reduces the number of network definitions as the Frame Relay network is brought up, as well as the number of permanently active SSCP-PU control sessions that have to be supported across the WAN between the mainframe and remote PUs.
Making 50 PUs appear as a single active SSCP-PU session reduces by thousands the sessions and related front-end and mainframe processing in large banking, retail, insurance or brokerage organizations.