DCS是分布式控制的英文縮寫(Distributed Control System)，在國(guó)內(nèi)自控行業(yè)又稱之為集散控制。

　　2、 DCS有什么特點(diǎn)?

　　DCS是計(jì)算機(jī)技術(shù)、控制技術(shù)和網(wǎng)絡(luò)技術(shù)高度結(jié)合的產(chǎn)物。DCS通常采用若干個(gè)控制器(站)對(duì)一個(gè)生產(chǎn)中的眾多控制點(diǎn)進(jìn)行控制，各控制器間通過(guò)網(wǎng)絡(luò)連接并可進(jìn)行數(shù)據(jù)交換。操作采用計(jì)算機(jī)操作站，通過(guò)網(wǎng)絡(luò)與控制器連接，收集生產(chǎn)數(shù)據(jù)，傳達(dá)操作指令。因此，DCS的主要特點(diǎn)歸結(jié)為就是：分散控制集中。

　　這些攝像頭同時(shí)向美國(guó)DNS發(fā)起DDoS攻擊，讓沒(méi)常工作，也叫拒絕服務(wù)工作。站都沒(méi)法用了，陷入癱瘓。來(lái)說(shuō)，問(wèn)題更大。用戶在睡覺(jué)的時(shí)候，PC和可能是不在線的，的節(jié)點(diǎn)是永遠(yuǎn)在線的，設(shè)備被控制的機(jī)會(huì)。

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