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1. 发明申请

US20160294769A1 Communication Method, Apparatus, and System of Virtual Extensible Local Area Network 审中-公开
标题翻译：虚拟可扩展局域网的通信方法，装置和系统
公开(公告)号：US20160294769A1
公开(公告)日：2016-10-06
申请号：US15176854
申请日：2016-06-08
申请人： Huawei Technologies Co., Ltd.
发明人： Yu Song , Zhiqiang Xiong
IPC分类号： H04L29/12 , H04L12/18 , H04L12/46
CPC分类号： H04L61/2015 , H04L12/18 , H04L12/4633 , H04L12/4641 , H04L45/16 , H04L61/106
摘要： A communication method includes a transmit-end tunnel end points (VTEP) may intercept a broadcast packet that does not have a destination address and that is sent by a transmit-end virtual machine, acquire an Internet Protocol (IP) address list of a receive-end VTEP that belongs to same virtual extensible local area network (VXLAN) as the transmit-end VTEP, encapsulate the broadcast packet into a unicast packet according to an IP address of the receive-end VTEP, and send, in a form of the unicast packet, the original packet to another receive-end VTEP on the same VXLAN, where avoiding using a multicast manner to perform communication between VTEPs on the VXLAN such that construction of the VXLAN no longer depends on a multicast group quantity or capability of a tunnel end point, which extends application of the VXLAN.
摘要翻译：一种通信方法包括发送端隧道终点（VTEP）可以拦截不具有目的地地址并由发送端虚拟机发送的广播分组，获取接收方的因特网协议（IP）地址列表属于与发送端VTEP相同的虚拟可扩展局域网（VXLAN）的-end VTEP，根据接收端VTEP的IP地址将广播包封装成单播包，并以单播数据包，原始数据包到同一VXLAN上的另一个接收端VTEP，避免使用组播方式在VXLAN上进行VTEP之间的通信，使VXLAN的建立不再依赖于组播组数量或隧道的能力终点，这扩展了VXLAN的应用。

2. 发明申请

US20160330143A1 Method for Acquiring Physical Address of Virtual Machine 有权
标题翻译：获取虚拟机物理地址的方法
公开(公告)号：US20160330143A1
公开(公告)日：2016-11-10
申请号：US15192341
申请日：2016-06-24
申请人： Huawei Technologies Co., Ltd.
发明人： Yu Song , Zhiqiang Xiong
IPC分类号： H04L12/931 , H04L12/717 , H04L12/46 , H04L12/741
CPC分类号： H04L49/70 , H04L12/4679 , H04L45/42 , H04L45/745 , H04L61/103 , H04L61/6022 , H04W40/24
摘要： A method for acquiring a physical address of a virtual machine includes acquiring, by a first switching endpoint, an address list of N switching endpoints from a centralized controller after receiving an address acquisition request sent by a first virtual machine, where the N switching endpoints include a second switching endpoint, sending, in a unicast manner according to the address list, the request to the N switching endpoints that include the second switching endpoint, and after receiving a second response sent by the second switching endpoint, sending the second response to the first virtual machine. The method may avoid the limitation on the quantity of created switching endpoints caused by the insufficient quantity of multicast groups of the switch in order to increase the quantity of created switching endpoints.
摘要翻译：一种用于获取虚拟机的物理地址的方法包括：在接收到由第一虚拟机发送的地址获取请求之后，由第一交换端点从集中式控制器获取N个交换端点的地址列表，其中N个交换端点包括第二切换端点，以单播方式根据地址列表发送对包括第二交换端点的N个交换端点的请求，以及在接收到由第二交换端点发送的第二响应之后，向第二交换端点发送第二响应第一个虚拟机。该方法可以避免由于交换机的多播组数量不足而导致的所创建的交换端点量的限制，以便增加所创建的交换端点的数量。

3. 发明授权

US09525648B2 Method for acquiring physical address of virtual machine 有权
标题翻译：获取虚拟机物理地址的方法
公开(公告)号：US09525648B2
公开(公告)日：2016-12-20
申请号：US15192341
申请日：2016-06-24
申请人： Huawei Technologies Co., Ltd.
发明人： Yu Song , Zhiqiang Xiong
IPC分类号： H04L1/00 , H04L12/26 , H04J1/16 , H04J3/14 , H04L12/931 , H04L12/741 , H04L12/717 , H04L12/46 , H04W40/24
CPC分类号： H04L49/70 , H04L12/4679 , H04L45/42 , H04L45/745 , H04L61/103 , H04L61/6022 , H04W40/24
摘要： A method for acquiring a physical address of a virtual machine includes acquiring, by a first switching endpoint, an address list of N switching endpoints from a centralized controller after receiving an address acquisition request sent by a first virtual machine, where the N switching endpoints include a second switching endpoint, sending, in a unicast manner according to the address list, the request to the N switching endpoints that include the second switching endpoint, and after receiving a second response sent by the second switching endpoint, sending the second response to the first virtual machine. The method may avoid the limitation on the quantity of created switching endpoints caused by the insufficient quantity of multicast groups of the switch in order to increase the quantity of created switching endpoints.
摘要翻译：一种用于获取虚拟机的物理地址的方法包括：在接收到由第一虚拟机发送的地址获取请求之后，由第一交换端点从集中控制器获取N个交换端点的地址列表，其中N个交换端点包括第二切换端点，以单播方式根据地址列表发送对包括第二交换端点的N个交换端点的请求，以及在接收到由第二交换端点发送的第二响应之后，向第二交换端点发送第二响应第一个虚拟机。该方法可以避免由于交换机的多播组数量不足而导致的所创建的交换端点量的限制，以便增加所创建的交换端点的数量。

4. 发明申请

US20150358232A1 Packet Forwarding Method and VXLAN Gateway 审中-公开
标题翻译：分组转发方法和VXLAN网关
公开(公告)号：US20150358232A1
公开(公告)日：2015-12-10
申请号：US14830615
申请日：2015-08-19
申请人： Huawei Technologies Co., Ltd.
发明人： Hanbing Chen , Yu Song , Zhiqiang Xiong
IPC分类号： H04L12/721 , H04L12/46 , H04L12/935 , H04L12/66
CPC分类号： H04L45/72 , H04L12/4625 , H04L12/4633 , H04L12/4641 , H04L12/66 , H04L49/3009
摘要： A packet forwarding method and a VXLAN gateway. A VXLAN packet is received. The VXLAN packet includes a communication packet that is sent from a first VM to a second VM; a second VNI of a subnet in which a next-hop device of the communication packet is located is determined according to a first VNI of the VXLAN packet and an IP address of the second VM of the VXLAN packet; the communication packet is encapsulated according to the second VNI; and then an encapsulated VXLAN packet is forwarded to the next-hop device through a tunnel corresponding to the second VNI, to avoid that the VXLAN gateway can implement forwarding of the VXLAN packet only after the VXLAN gateway modifies the communication packet in the payload of the VXLAN packet, and improve efficiency of forwarding the VXLAN packet.
摘要翻译：分组转发方式和VXLAN网关。接收到VXLAN数据包。 VXLAN分组包括从第一VM发送到第二VM的通信分组; 根据VXLAN分组的第一VNI和VXLAN分组的第二VM的IP地址，确定通信分组的下一跳设备所在的子网的第二VNI; 通信分组根据第二VNI被封装; 然后通过对应于第二VNI的隧道将封装的VXLAN数据包转发到下一跳设备，以避免VXLAN网关只有在VXLAN网关修改有效载荷中的通信包之后，才能实现VXLAN数据包的转发 VXLAN包，提高转发VXLAN包的效率。

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