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11. 发明授权

US07672314B2 Scaling VLANs in a data network 有权
标题翻译：在数据网络中扩展VLAN
公开(公告)号：US07672314B2
公开(公告)日：2010-03-02
申请号：US10888866
申请日：2004-07-09
申请人： Anusankar Elangovan
发明人： Anusankar Elangovan
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L12/465
摘要： In one embodiment, a technique for processing data packets in a data network comprising a plurality of virtual local area networks (VLANs) is disclosed. A data network is divided into a core network and a plurality of domain networks, each domain network coupled to one or more customer networks. A plurality of VLANs are apportioned between the domain networks and the core network. The VLANs that are allocated to the domain networks are local to each domain network. However, the VLANs allocated to the core network are global to the domain networks and core network. When a data packet is acquired at a domain ingress edge node in a particular domain network, the node generates a domain network packet from information contained in the data packet. The node then tags the domain network packet with a domain VLAN (DVLAN) tag associated with a VLAN allocated to the domain network.
摘要翻译：在一个实施例中，公开了一种用于在包括多个虚拟局域网（VLAN）的数据网络中处理数据分组的技术。数据网络被分为核心网络和多个域网络，每个域网络耦合到一个或多个客户网络。多个VLAN分配在域网和核心网之间。分配给域网络的VLAN是每个域网络本地的。但是，分配给核心网的VLAN是域网和核心网的全局。当在特定域网络中的域入口边缘节点处获取数据分组时，该节点根据包含在数据分组中的信息生成域网络分组。然后，该节点使用与分配给域网络的VLAN相关联的域VLAN（DVLAN）标签来标记域网络分组。

12. 发明授权

US08213336B2 Distributed data center access switch 有权
标题翻译：分布式数据中心接入交换机
公开(公告)号：US08213336B2
公开(公告)日：2012-07-03
申请号：US12380072
申请日：2009-02-23
申请人： Michael Smith , Anusankar Elangovan , David Thompson , Mark Bakke
发明人： Michael Smith , Anusankar Elangovan , David Thompson , Mark Bakke
IPC分类号： H04L12/28
CPC分类号： H04L49/35 , H04L45/586 , H04L49/70
摘要： In one embodiment, an apparatus includes a processor configured for operation in a control plane in a distributed virtual switch in communication with a plurality of virtual machines each having a virtual interface. The processor is operable to identify other control planes in the distributed virtual switch, assign a virtual interface identifier to one of the virtual interfaces, receive a configuration for the virtual interface, and share the configuration with the other control planes in the distributed virtual switch. The virtual interface identifier provides a unique identifier for the virtual interface across all of the control planes. The apparatus further includes memory for storing the configuration of the virtual interface. A method for operating a network device associated with a control in the distributed virtual switch is also disclosed.
摘要翻译：在一个实施例中，一种装置包括处理器，其被配置用于在分布式虚拟交换机中的控制平面中进行操作，所述分布式虚拟交换机与多个虚拟机具有虚拟接口。处理器可操作以识别分布式虚拟交换机中的其他控制平面，将虚拟接口标识符分配给虚拟接口之一，接收虚拟接口的配置，并与分布式虚拟交换机中的其他控制平面共享配置。虚拟接口标识符为所有控制平面上的虚拟接口提供唯一的标识符。该装置还包括用于存储虚拟接口的配置的存储器。还公开了一种用于操作与分布式虚拟交换机中的控制相关联的网络设备的方法。

13. 发明授权

US07876747B2 Method and apparatus for efficient load distribution on link aggregations 有权
标题翻译：在链路聚合上有效负载分配的方法和装置
公开(公告)号：US07876747B2
公开(公告)日：2011-01-25
申请号：US11072487
申请日：2005-03-04
申请人： Anusankar Elangovan , Paolo Zarpellon , Suran S De Silva , Rodney Fong
发明人： Anusankar Elangovan , Paolo Zarpellon , Suran S De Silva , Rodney Fong
IPC分类号： H04L12/50 , H04L12/28 , H04L12/56
CPC分类号： H04L45/00 , H04L45/24 , H04L45/745 , H04L47/125
摘要： A system for providing a substantially balanced distribution of traffic over an aggregation of output lines carrying digital information makes use of m random or pseudo-random bits substantially greater in number than the number of bits (n) used for selection of individual lines. The m bits address a table populated with n-bit entries whose bit combinations correspond with the respective output lines, with the relative numbers of the bit combinations being such as to provide substantially equal loads on the individual lines.
摘要翻译：用于在承载数字信息的输出线的聚合上提供基本平衡的业务分布的系统利用在数量上比用于选择各个线路的位数（n）大得多的m个随机或伪随机位。 m位地址填充有n位条目的表，其位组合对应于相应的输出行，其中位组合的相对数量使得在各行上提供基本相等的负载。

14. 发明申请

US20100275199A1 Traffic forwarding for virtual machines 有权
标题翻译：虚拟机的流量转发
公开(公告)号：US20100275199A1
公开(公告)日：2010-10-28
申请号：US12387174
申请日：2009-04-28
申请人： Michael Smith , Anusankar Elangovan , Paul Fazzone
发明人： Michael Smith , Anusankar Elangovan , Paul Fazzone
IPC分类号： G06F9/455
CPC分类号： G06F9/45533 , H04L49/65 , H04L49/70
摘要： In one embodiment, an apparatus configured for communication with a plurality of virtual machines includes a virtual switch in communication with one or more of the virtual machines, an interface in communication with one or more of the virtual machines and configured for communication with a hardware implemented switch, and a mode selector for assigning to each of the virtual machines, a mode of operation for forwarding data from the virtual machine and switching the assigned mode of operation at one or more of the virtual machines. The mode of operation is selected from a first mode wherein the data is forwarded by the hardware implemented switch and a second mode wherein the data is forwarded by the virtual switch.
摘要翻译：在一个实施例中，被配置为与多个虚拟机通信的装置包括与虚拟机中的一个或多个通信的虚拟交换机，与虚拟机中的一个或多个通信的接口，并被配置为与实现的硬件进行通信交换机和模式选择器，用于向每个虚拟机分配用于从虚拟机转发数据并在一个或多个虚拟机处切换分配的操作模式的操作模式。从第一模式中选择操作模式，其中数据由硬件实现的交换机转发，以及其中数据由虚拟交换机转发的第二模式。

15. 发明申请

US20070171824A1 Sampling rate-limited traffic 有权
标题翻译：采样率限制流量
公开(公告)号：US20070171824A1
公开(公告)日：2007-07-26
申请号：US11339597
申请日：2006-01-25
申请人： Natale Ruello , Farrukh Naqvi , Anusankar Elangovan , Gaetano Borgione , Suran De Silva
发明人： Natale Ruello , Farrukh Naqvi , Anusankar Elangovan , Gaetano Borgione , Suran De Silva
IPC分类号： H04L12/26
CPC分类号： H04L43/022 , H04L43/16
摘要： Out-of-profile rate-limited traffic is sampled to provide data for analysis, such as for, but not limited to, identifying a threat condition such as a denial-of-service or other malicious attack, or a non-malicious attack such as an error in configuration. A rate limiter including at least three states is typically used, with one of these states being an out-of-profile sampling state wherein the packet traffic is sampled to identify one or more sampled packets on which analysis can be performed, with defensive action possibly taken in response to the analysis.
摘要翻译：采样失速率限制流量以提供用于分析的数据，例如用于但不限于识别威胁状况，例如拒绝服务或其他恶意攻击，或非恶意攻击，例如非恶意攻击作为配置错误。通常使用包括至少三个状态的速率限制器，其中这些状态之一是失真采样状态，其中对分组业务进行采样以识别可以在其上进行分析的一个或多个采样分组，具有可能的防御动作作为回应分析。

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