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1. 发明授权

US09270590B2 Method, apparatus and system for transmitting packets in virtual network with respect to a virtual machine (VM) migration 有权
标题翻译：用于在虚拟网络中相对于虚拟机（VM）迁移传送分组的方法，装置和系统
公开(公告)号：US09270590B2
公开(公告)日：2016-02-23
申请号：US14010109
申请日：2013-08-26
申请人： Huawei Technologies Co., Ltd.
发明人： Keshava A K , Dhruv Dhody
IPC分类号： H04B3/20 , H04L12/741 , H04L12/721
CPC分类号： H04L45/74 , H04L45/66
摘要： The embodiments of the present disclosure provide a method for transmitting packet in a Virtual Network. In the method, an access switch receives a Layer 3 packet carrying a VNID (Virtual Network IDentifier) from a VM in a remote Data Center. The access switch determines a DN (Designated Node) corresponding to the VNID and generates a Layer 2 frame according to the Layer 3 packet, where the Layer 2 frame includes the MAC (Media Access Control) address of the DN. The access switch to the DN transmits the Layer 2 frame according to the MAC address of the DN such that the DN determines a Layer 3 destination address according to the Layer 2 frame. This avoids packet flooding in Data Center when VM was migrated.
摘要翻译：本公开的实施例提供了一种用于在虚拟网络中传送分组的方法。在该方法中，接入交换机从远程数据中心的VM接收携带VNID（虚拟网络标识符）的第3层分组。接入交换机确定对应于VNID的DN（指定节点），并根据第3层分组生成第2层帧，其中第2层包括DN的MAC（媒体访问控制）地址。到DN的接入交换机根据DN的MAC地址传输二层帧，使得DN根据二层帧确定三层目的地址。这样可以避免迁移VM时数据中心中的数据包泛滥。

2. 发明申请

US20140105213A1 METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING PACKETS IN VIRTUAL NETWORK 有权
标题翻译：虚拟网络中传输分组的方法，装置和系统
公开(公告)号：US20140105213A1
公开(公告)日：2014-04-17
申请号：US14010109
申请日：2013-08-26
申请人： Huawei Technologies Co., Ltd.
发明人： Keshava A K , Dhruv Dhody
IPC分类号： H04L12/741
CPC分类号： H04L45/74 , H04L45/66
摘要： The embodiments of the present disclosure provide a method for transmitting packet in a Virtual Network. In the method, an access switch receives a Layer 3 packet carrying a VNID (Virtual Network IDentifier) from a VM in a remote Data Center. The access switch determines a DN (Designated Node) corresponding to the VNID and generates a Layer 2 frame according to the Layer 3 packet, where the Layer 2 frame includes the MAC (Media Access Control) address of the DN. The access switch to the DN transmits the Layer 2 frame according to the MAC address of the DN such that the DN determines a Layer 3 destination address according to the Layer 2 frame. This avoids packet flooding in Data Center when VM was migrated.
摘要翻译：本公开的实施例提供了一种用于在虚拟网络中传送分组的方法。在该方法中，接入交换机从远程数据中心的VM接收携带VNID（虚拟网络标识符）的第3层分组。接入交换机确定对应于VNID的DN（指定节点），并根据第3层分组生成第2层帧，其中第2层包括DN的MAC（媒体访问控制）地址。到DN的接入交换机根据DN的MAC地址传输二层帧，使得DN根据二层帧确定三层目的地址。这样可以避免迁移VM时数据中心中的数据包泛滥。

3. 发明授权

US09210080B2 Method, apparatus and system for transmitting packets in virtual network with respect to a virtual machine (VM) migration 有权
公开(公告)号：US09210080B2
公开(公告)日：2015-12-08
申请号：US14010109
申请日：2013-08-26
申请人： Huawei Technologies Co., Ltd.
发明人： Keshava A K , Dhruv Dhody
IPC分类号： H04B3/20 , H04L12/741 , H04L12/721
摘要： The embodiments of the present disclosure provide a method for transmitting packet in a Virtual Network. In the method, an access switch receives a Layer 3 packet carrying a VNID (Virtual Network IDentifier) from a VM in a remote Data Center. The access switch determines a DN (Designated Node) corresponding to the VNID and generates a Layer 2 frame according to the Layer 3 packet, where the Layer 2 frame includes the MAC (Media Access Control) address of the DN. The access switch to the DN transmits the Layer 2 frame according to the MAC address of the DN such that the DN determines a Layer 3 destination address according to the Layer 2 frame. This avoids packet flooding in Data Center when VM was migrated.

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