logical unit (LU) services

In SNA, capabilities in the logical unit to: (a) receive requests from an end user and, in succession, issue requests to the system services control point (SSCP) in order to perform the requested functions, typically for session initiation; (b) receive requests from the SSCP to activate LU-LU sessions via BINDSESSION requests; and (c) provide session presentation and other services for LU-LU sessions.; 在系統網絡體系結構(SNA)中,邏輯單元中的如下能力:(1)接收來自端點用戶的請求,依次向 系統服務控制點(SSCP)發出請求,以便執行所需的 功能。典型的是啟動話路。(2)接收來自SSCP的請求,通過BIND SESSION請求激話LU-LU話路。(3) 為LU-LU話路提供話路表示和其它服務。參閱physical unit services, SSCP services。