1. In SNA, one of the components of transmission control. Session control is used to purge data flowing in a session after an unrecoverable error occurs, to resynchronize the data flow after such an error, and to perform cryptographic verification.; 在系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu)(SNA)中,傳輸控制程序的一個組成部分,在出現(xiàn)不可恢復(fù)的錯誤之后,可 以用話路控制程序來清理在話路中流動的數(shù)據(jù),重新同步該錯誤之后的數(shù)據(jù)流,并進(jìn)行加密的驗證工作。 2. In SNA, an RU category used for requests and responses exchanged between the session control components of a session and for session activation/deactivation requests and responses. | 在系統(tǒng)網(wǎng)絡(luò)體系結(jié)構(gòu)(SNA)中,用于在話路兩端的兩個話路控制程序(組成部分)之間交換請求 和應(yīng)答(報文)以及用于話路激活/撤消請求和應(yīng)答(報文)的一種請求應(yīng)答單元(RU)的程序。