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1. 发明授权

US08396986B2 Method and system of virtual machine migration 有权
标题翻译：虚拟机迁移的方法和系统
公开(公告)号：US08396986B2
公开(公告)日：2013-03-12
申请号：US13023908
申请日：2011-02-09
申请人： Yasusi Kanada , Yasushi Kasugai , Shinji Suzuki , Toshiaki Tarui
发明人： Yasusi Kanada , Yasushi Kasugai , Shinji Suzuki , Toshiaki Tarui
IPC分类号： G06F15/173
CPC分类号： H04L45/00 , G06F9/4856 , G06F11/1484 , H04L12/4641 , H04L29/12028 , H04L29/12264 , H04L29/12367 , H04L49/557 , H04L49/70 , H04L61/103 , H04L61/2046 , H04L61/2514 , Y02D10/24 , Y02D10/32
摘要： In cooperation between each data center and a WAN, virtual machine migration is carried out without interruption in processing so as to enable effective power-saving implementation, load distribution, or fault countermeasure processing. Each node located at a boundary point between the WAN and another network is provided with a network address translation (NAT) function that can be set dynamically to avoid address duplication due to virtual machine migration. Alternatively, each node included in the WAN is provided with a network virtualization function; and there are implemented a virtual network connected to a data center for including a virtual machine before migration, and a virtual network connected to a data center for including the virtual machine after migration, thereby allowing coexistent provision of identical addresses. Thus, the need for changing network routing information at the time of virtual machine migration can be eliminated, and a setting change for migration accomplished quickly.
摘要翻译：在每个数据中心和WAN之间的合作中，虚拟机迁移在处理中不间断地执行，以便能够实现有效的省电实施，负载分配或故障对策处理。位于WAN和另一个网络之间的边界点的每个节点都具有网络地址转换（NAT）功能，可以动态设置，以避免由于虚拟机迁移引起的地址重复。或者，包括在WAN中的每个节点被提供有网络虚拟化功能; 并且实现了连接到数据中心的虚拟网络，用于在迁移之前包括虚拟机，以及连接到数据中心的虚拟网络，用于在迁移之后包括虚拟机，从而允许共同提供相同的地址。因此，可以消除在虚拟机迁移时改变网络路由信息的需要，并且迁移的设置更改快速完成。

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