SDLC txhais li cas hauv kev sib txuas lus?
SDLC txhais li cas hauv kev sib txuas lus?

Video: SDLC txhais li cas hauv kev sib txuas lus?

Video: SDLC txhais li cas hauv kev sib txuas lus?
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Anonim

Synchronous Data Link Control (SDLC) yog kev sib txuas lus hauv computer. Nws yog txheej 2 raws tu qauv rau IBM's Systems Network Architecture (SNA). SDLC txhawb nqa ntau qhov txuas nrog rau kev kho qhov yuam kev.

Xav txog qhov no, HDLC thiab SDLC yog dab tsi?

HDLC (High-Level Data Link Control) thiab SDLC (Synchronous Data Link Control) yog ob txoj cai uas muab taw tes rau ntau qhov sib txuas ntawm cov khoos phis tawj. Qhov sib txawv tseem ceeb ntawm HDLC thiab SDLC yog lawv lub hauv paus. SDLC yog tsim los ntawm IBM rau siv nrog lawv cov computers.

HDLC frame format yog dab tsi? High-Level Data Control, tseem hu ua HDLC , yog me ntsis taw qhia, hloov thiab tsis hloov raws tu qauv . HDLC Ncej Structure : HDLC siv lub sij hawm " ncej "los qhia txog qhov chaw ntawm cov ntaub ntawv (los yog a raws tu qauv data unit) kis ntawm ib lub chaw nres tsheb mus rau lwm qhov.

Ib yam li ntawd, tib neeg nug, bisync raws tu qauv yog dab tsi?

Binary Synchronous Kev Sib Txuas Lus (BSC lossis Bisync ) yog IBM cim-oriented, ib nrab-duplex txuas raws tu qauv , tshaj tawm hauv 1967 tom qab kev taw qhia ntawm System/360. Nws hloov qhov synchronous transmit-receive (STR) raws tu qauv siv nrog ob tiam computers.

Dab tsi yog txheej HDLC?

cov ntaub ntawv txuas

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