光單向安全隔離與數(shù)據(jù)導(dǎo)入系統(tǒng)
“光單向安全隔離與數(shù)據(jù)導(dǎo)入系統(tǒng)”在物理隔離條件下實(shí)現(xiàn)了數(shù)據(jù)的單向傳輸，隔離卡一端只能發(fā)送數(shù)據(jù)，一端只能接收數(shù)據(jù)，兩塊隔離卡之間只有一根光纖線進(jìn)行連接，采用無(wú)反饋的單向傳輸技術(shù)，實(shí)現(xiàn)真正的物理單向傳輸，將涉密信息網(wǎng)絡(luò)與非涉密信息網(wǎng)絡(luò)進(jìn)行連接，數(shù)據(jù)僅能從非涉密信息網(wǎng)絡(luò)流向涉密信息網(wǎng)絡(luò)。光單向安全隔離與數(shù)據(jù)導(dǎo)入系統(tǒng)解決了非涉密網(wǎng)絡(luò)向涉密網(wǎng)絡(luò)進(jìn)行數(shù)據(jù)導(dǎo)入的問題，代替?zhèn)鹘y(tǒng)的終端網(wǎng)絡(luò)單導(dǎo)，更好的解決了物理隔離條件下涉密網(wǎng)絡(luò)的數(shù)據(jù)導(dǎo)入問題。國(guó)家電子政務(wù)網(wǎng)絡(luò)建設(shè)中一般都對(duì)網(wǎng)絡(luò)按照安全級(jí)別進(jìn)行了安全域的劃分，涉密網(wǎng)、非涉密網(wǎng)之間物理隔離，依照涉密信息"最小化"原則，進(jìn)行涉密網(wǎng)和非涉密網(wǎng)之間兩個(gè)不同的信息安全域信息的適度"可靠交換"。

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