【摘要】：針對混合云環(huán)境下虛擬域跨數(shù)據(jù)中心策略一致性遷移的需求,提出虛擬域遷移機制IDVE,通過數(shù)據(jù)中心間虛擬域一致性遷移協(xié)議,在數(shù)據(jù)中心間利用虛擬加密隧道遷移虛擬網(wǎng)絡,使得虛擬域的拓撲和網(wǎng)絡配置在虛擬域遷移時保持不變。該方案滿足了跨數(shù)據(jù)中心虛擬域一致性遷移需求,并能使網(wǎng)絡拓撲和配置在虛擬機遷移時提前設置完畢,大大減小了虛擬機遷移停機時間。測試結果表明:遷移時虛擬隧道下降損耗約為25%,停機時間僅為0.81 s,滿足實際應用需要。
[Abstract]:In order to meet the requirement of consistent migration of virtual domains across data center policies in hybrid cloud environment, a virtual domain migration mechanism, IDVE, is proposed to migrate virtual networks between data centers using virtual encrypted tunnels through virtual quasi-domain consistency migration protocol between data centers. So that the topology and network configuration of virtual domain remain unchanged when the virtual domain is migrated. The proposed scheme satisfies the requirement of consistent migration of virtual domains across data centers, and enables network topology and configuration to be set up in advance at the time of virtual machine migration, thus greatly reducing the downtime of virtual machine migration. The test results show that the drop loss of virtual tunnel is about 25% and the downtime of virtual tunnel is only 0.81 s during migration, which can meet the needs of practical application.
【作者單位】： 武漢大學計算機學院;空天信息安全與可信計算教育部重點實驗室(武漢大學);
【基金】：國家自然科學基金資助項目(61373169;61103219;61303213) 國家發(fā)改委重大專項項目資助(發(fā)改辦高技[2013]1309)
【分類號】：TP308

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