電影中，由劉德華飾演的量子計算機工程師圖恒宇有一個驚心動魄的情節(jié)。為了同步啟動全球地球發(fā)動機，需要重啟互聯(lián)網(wǎng)，避免地殼破碎和地質災害。而重啟互聯(lián)網(wǎng)的關鍵則是要啟動“根服務器”。電影中沒有具體交代是什么根服務器，但是當根服務器成功啟動后，畫面立即顯示 “互聯(lián)網(wǎng)域解析成功”字樣。在互聯(lián)網(wǎng)專業(yè)人士眼中，這通常指的是互聯(lián)網(wǎng)域名解析成功。所以電影中的根服務器至少是具備互聯(lián)網(wǎng)域名解析（DNS）根服務器的功能。

其實根服務器距離我們大眾還是會比較遙遠的，不過大家可以了解下下面的物理服務器

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