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1. 发明申请

US20160197824A1 PACKET FORWARDING 审中-公开
标题翻译：分组前进
公开(公告)号：US20160197824A1
公开(公告)日：2016-07-07
申请号：US14899925
申请日：2014-09-24
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Tao LIN , Weichun REN , Lianlei ZHANG , Shaobo WU , Xianghui ZHANG
IPC分类号： H04L12/721
CPC分类号： H04L45/38 , H04L12/6418
摘要： A controller of a virtual switch system receives an uplink packet forwarded by a SDN switch hosted on a server from a VM (virtual machine) hosted on the server. The controller determines an outgoing interface from at least two uplink interfaces on the SDN switch respectively corresponding to aggregated member ports of a physical switch by using an aggregation algorithm according to the uplink packet. The controller generates a first flow table entry and sends the first flow table entry to the SDN switch, wherein the first flow table entry is to instruct the SDN switch to forward a received uplink packet to the physical switch through the outgoing interface.
摘要翻译：虚拟交换机系统的控制器从托管在服务器上的VM（虚拟机）接收由托管在服务器上的SDN交换机转发的上行链路分组。控制器通过使用根据上行链路分组的聚合算法，从分别对应于物理交换机的聚合成员端口的SDN交换机上的至少两个上行链路接口确定出局接口。所述控制器生成第一流表条目，并将所述第一流表条目发送到所述SDN交换机，其中所述第一流表条目是指示所述SDN交换机通过所述输出接口将接收到的上行链路分组转发到所述物理交换机。

2. 发明申请

US20160127272A1 VIRTUAL NETWORK 审中-公开
标题翻译：虚拟网络
公开(公告)号：US20160127272A1
公开(公告)日：2016-05-05
申请号：US14895189
申请日：2014-06-27
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Songbo WANG , Tao LIN , Yinfei ZHANG , Weichun REN
IPC分类号： H04L12/931 , H04L12/911 , H04L12/741 , H04L29/08 , H04L12/721
CPC分类号： H04L49/354 , H04L12/462 , H04L41/0893 , H04L41/12 , H04L45/66 , H04L45/74 , H04L47/82 , H04L69/324
摘要： A SDN controller receives a forwarding request message including a header portion of a layer-2 packet. The SDN controller determines whether a source host and a destination host of the layer-2 packet are in the same virtual network according to a virtual network table.
摘要翻译： SDN控制器接收包括第二层分组的报头部分的转发请求消息。 SDN控制器根据虚拟网络表确定第二层数据包的源主机和目的主机是否位于同一个虚拟网络中。

3. 发明申请

US20160119256A1 DISTRIBUTED VIRTUAL SWITCH SYSTEM 审中-公开
标题翻译：分布式虚拟开关系统
公开(公告)号：US20160119256A1
公开(公告)日：2016-04-28
申请号：US14895194
申请日：2014-03-10
申请人： Hangzhou H3C Technologies Co., Ltd.
发明人： Songbo WANG , Tao LIN , Yinfei ZHANG
IPC分类号： H04L12/931 , H04L12/741 , H04L29/06 , H04L12/947
CPC分类号： H04L49/70 , H04L12/6418 , H04L45/745 , H04L49/25 , H04L61/2038 , H04L61/6022 , H04L69/22
摘要： A distributed virtual switch system comprises a controller and multiple servers. Each server is configured with a virtual SDN switch and at least one VM. Each VM is connected with an external physical switch via the SDN switch. The controller obtains interface information of a switch logic interface corresponding to a VM, adds an entry comprising the interface information into a local global interface management table. The interface information includes a global unique identifier of the switch logic interface corresponding to the VM, a switch identifier of an SDN switch corresponding to the switch logic interface, and a local port identifier of the SDN switch corresponding to the switch logic interface. The controller manages each VM connected with each SDN switch according to the local global interface management table.
摘要翻译：分布式虚拟交换机系统包括控制器和多个服务器。每个服务器配置有虚拟SDN交换机和至少一个虚拟机。每个VM通过SDN交换机与外部物理交换机连接。控制器获取与VM对应的交换机逻辑接口的接口信息，将包含接口信息的条目添加到本地全局接口管理表中。接口信息包括对应于VM的交换机逻辑接口的全局唯一标识符，对应于交换机逻辑接口的SDN交换机的交换机标识符以及对应于交换机逻辑接口的SDN交换机的本地端口标识符。控制器根据本地全局接口管理表管理与每个SDN交换机相连的每个虚拟机。

4. 发明申请

US20150358231A1 VEPA SWITCH MESSAGE FORWARDING 审中-公开
标题翻译： VEPA切换消息
公开(公告)号：US20150358231A1
公开(公告)日：2015-12-10
申请号：US14758701
申请日：2013-08-30
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Lianlei ZHANG , Tao LIN , Weichun REN , Yang LIU , Shaobo WU
IPC分类号： H04L12/721 , H04L12/937 , H04L12/741 , H04L12/931
CPC分类号： H04L45/38 , H04L45/42 , H04L45/64 , H04L45/745 , H04L49/254 , H04L49/70
摘要： According to an example, a VEPA switch may receive a message and a determination may be made as to whether a Datapath of the VEPA switch includes a flow table entry for forwarding the message. In response to a determination that the VEPA switch does not include a flow table entry for forwarding the message, the message may be forwarded to a SDN controller through a SDN protocol that is to construct the flow table entry for forwarding the message according to information contained in the message, in which the constructed flow table entry identifies an egress port of the VEPA switch for forwarding the message. The VEPA switch may also obtain the constructed flow table entry from the SDN controller and forward the message via the egress port identified in the obtained flow table entry.
摘要翻译：根据示例，VEPA交换机可以接收消息，并且可以确定VEPA交换机的数据路径是否包括用于转发消息的流表条目。响应于VEPA交换机的确定不包括用于转发消息的流表条目，可以通过SDN协议将消息转发到SDN控制器，SDN协议根据包含的信息构建用于转发消息的流表条目在消息中，其中构造的流表条目标识用于转发消息的VEPA交换机的出口端口。 VEPA交换机还可以从SDN控制器获得构造的流表条目，并通过获取的流表条目中标识的出口端口转发消息。

5. 发明申请

US20150281251A1 METHOD AND APPARATUS FOR DUAL STACK ACCESS 有权
标题翻译：双层存取的方法和装置
公开(公告)号：US20150281251A1
公开(公告)日：2015-10-01
申请号：US14737295
申请日：2015-06-11
申请人： Hangzhou H3C Technologies Co., Ltd.
发明人： Tao LIN
IPC分类号： H04L29/06 , H04L29/12
CPC分类号： H04L63/105 , H04L29/12216 , H04L29/12245 , H04L29/12915 , H04L29/12971 , H04L49/602 , H04L61/203 , H04L61/251 , H04L61/6059 , H04L61/6086 , H04L63/0263 , H04L63/10 , H04L63/20 , H04L69/18
摘要： The present invention discloses a method of dual stack access, wherein a network device authenticates the first protocol address of a requesting client, stores the user name, first protocol address, and address status information of the client in the user information table if the authentication succeeds, assigns a second protocol address to the client, stores this second protocol address and address status information in the user information table, generates control rules for the client according to its user information, and controls dual stack access of the client according to the rules. This invention provides effective authentication-based access control of dual stack users.
摘要翻译：本发明公开了一种双栈接入方法，其中网络设备认证请求客户端的第一协议地址，如果认证成功，则将客户端的用户名，第一协议地址和地址状态信息存储在用户信息表中向客户端分配第二协议地址，将该第二协议地址和地址状态信息存储在用户信息表中，根据用户信息生成客户端控制规则，根据规则控制客户端的双栈访问。本发明提供了双堆栈用户的有效的基于认证的访问控制。

6. 发明申请

US20170310586A1 Table Entry In Software Defined Network 审中-公开
公开(公告)号：US20170310586A1
公开(公告)日：2017-10-26
申请号：US15518186
申请日：2015-10-10
申请人： HANGZHOU H3C TECHNOLOGIES CO., LTD.
发明人： Tao LIN , Tao WEN , Weichun REN , Yinfei ZHANG , Xilong ZHANG
IPC分类号： H04L12/741 , H04L12/771 , H04L12/64 , H04L29/06 , H04L12/725
CPC分类号： H04L45/54 , H04L12/6418 , H04L45/30 , H04L45/56 , H04L69/22
摘要： A forwarding flow table request sent by a host device when the host device fails to find a matching forwarding flow table entry for a data packet to be forwarded is received, when a destination MAC address of the data packet is the global virtual MAC address, a forwarding flow table entry is generated according to the global port table; the forwarding flow table entry includes an operation indication of replacing the destination MAC address of the data packet with the matching MAC address found in the global port table; and the forwarding flow table entry is sent to the host device, so that the host device may forward a data packet matching the forwarding flow table entry.

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