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1. 发明授权

US08478854B2 Tolerant device licensing in a distributed environment 有权
标题翻译：在分布式环境中允许设备许可
公开(公告)号：US08478854B2
公开(公告)日：2013-07-02
申请号：US12775031
申请日：2010-05-06
申请人： Kumara Das Karunakaran , Vivek L. Atreya , Shashi H. Ankaiah , Seemant Choudhary
发明人： Kumara Das Karunakaran , Vivek L. Atreya , Shashi H. Ankaiah , Seemant Choudhary
IPC分类号： G06F15/173
CPC分类号： H04W24/04
摘要： Methods, apparatus and a computer program product provide for a Tolerant License Manager that defines a cluster of a plurality of network controllers, wherein each respective network controller contributes at least one license to a current total amount of licenses in a license pool. The Tolerant License Manager identifies at least one threatened access point upon detecting a first network controller has become unavailable. Each threatened access point comprises any access point connected to the first network controller when the first network controller becomes unavailable. The Tolerant License Manager establishes (and/or) approves a connection between a back-up controller and the threatened access point(s). While the first network controller is unavailable, the Tolerant License Manager allocates a license to each threatened access point via the back-up network controller.
摘要翻译：方法，装置和计算机程序产品为容许许可管理器提供了一个定义多个网络控制器的集群的容许许可证管理器，其中每个相应的网络控制器向许可证池中当前的总许可数量贡献至少一个许可证。检测到第一个网络控制器变得不可用时，容许许可证管理器会识别至少一个受威胁的接入点。每个受威胁的接入点包括当第一网络控制器变得不可用时连接到第一网络控制器的任何接入点。容许许可证管理器建立（和/或）批准备用控制器与受威胁的接入点之间的连接。当第一个网络控制器不可用时，容许许可证管理器通过备份网络控制器向每个受威胁的接入点分配许可证。

2. 发明授权

US08300614B2 Preventing packet loops in unified networks 有权
标题翻译：防止统一网络中的数据包循环
公开(公告)号：US08300614B2
公开(公告)日：2012-10-30
申请号：US12772299
申请日：2010-05-03
申请人： Shashi H. Ankaiah , Vivek L. Atreya , Kumara Das Karunakaran , Seemant Choudhary
发明人： Shashi H. Ankaiah , Vivek L. Atreya , Kumara Das Karunakaran , Seemant Choudhary
IPC分类号： H04Q7/24
CPC分类号： H04L45/18 , H04L12/4641 , H04L45/04 , H04W40/00
摘要： Unified mobility switches often define a virtual LAN (VLAN), including a combination of mobility tunnels and access tunnels, via which packets are transported to a mobile device over a combination of physical connections and wireless links. A unified switch may have multiple ports available to route a packet to a particular destination, since the unified switches identify routing paths for both physical connections and VLANs. A particular unified switch may therefore have multiple routes to a common destination, which can lead to a routing loop across a network of switches supporting both physical and virtual connections. A unified mobility switch provides loop detection and prevention through a set of rules for qualifying connections as virtual tunnels or physical connections, and defining a single path where multiple potential paths exist.
摘要翻译：统一移动交换机通常定义虚拟LAN（VLAN），包括移动隧道和接入隧道的组合，通过物理连接和无线链路的组合，将数据包传输到移动设备。统一交换机可能有多个端口可用于将数据包路由到特定的目的地，因为统一交换机可以识别物理连接和VLAN两者的路由路径。因此，特定的统一交换机可以具有到公共目的地的多条路由，这可以导致跨越支持物理和虚拟连接的交换机的网络的路由环路。统一的移动交换机通过一组用于将连接限定为虚拟隧道或物理连接的规则，并且定义存在多个潜在路径的单个路径来提供循环检测和预防。

3. 发明申请

US20100293272A1 TOLERANT DEVICE LICENSING IN A DISTRIBUTED ENVIRONMENT 有权
标题翻译：分布式环境中的容忍设备许可
公开(公告)号：US20100293272A1
公开(公告)日：2010-11-18
申请号：US12775031
申请日：2010-05-06
申请人： Kumara Das Karunakaran , Vivek L. Atreya , Shashi H. Ankaiah , Seemant Choudhary
发明人： Kumara Das Karunakaran , Vivek L. Atreya , Shashi H. Ankaiah , Seemant Choudhary
IPC分类号： G06F15/173 , G06F11/00
CPC分类号： H04W24/04
摘要： Methods, apparatus and a computer program product provide for a Tolerant License Manager that defines a cluster of a plurality of network controllers, wherein each respective network controller contributes at least one license to a current total amount of licenses in a license pool. The Tolerant License Manager identifies at least one threatened access point upon detecting a first network controller has become unavailable. Each threatened access point comprises any access point connected to the first network controller when the first network controller becomes unavailable. The Tolerant License Manager establishes (and/or) approves a connection between a back-up controller and the threatened access point(s). While the first network controller is unavailable, the Tolerant License Manager allocates a license to each threatened access point via the back-up network controller.
摘要翻译：方法，装置和计算机程序产品为容许许可管理器提供了一个定义多个网络控制器的集群的容许许可证管理器，其中每个相应的网络控制器向许可证池中当前的总许可数量贡献至少一个许可证。检测到第一个网络控制器变得不可用时，容许许可证管理器会识别至少一个受威胁的接入点。每个受威胁的接入点包括当第一网络控制器变得不可用时连接到第一网络控制器的任何接入点。容许许可证管理器建立（和/或）批准备用控制器与受威胁的接入点之间的连接。当第一个网络控制器不可用时，容许许可证管理器通过备份网络控制器向每个受威胁的接入点分配许可证。

4. 发明授权

US08477775B2 Unifying local and mobility network identifiers 有权
标题翻译：统一本地和移动网络标识符
公开(公告)号：US08477775B2
公开(公告)日：2013-07-02
申请号：US12776897
申请日：2010-05-10
申请人： Seemant Choudhary , Kumara Das Karunakaran , Shashi H. Ankaiah , Balachander Rajakondala
发明人： Seemant Choudhary , Kumara Das Karunakaran , Shashi H. Ankaiah , Balachander Rajakondala
IPC分类号： H04W40/00 , H04L12/56
CPC分类号： H04L12/465 , H04W8/26
摘要： In a mobility domain providing wired and wireless network transport to an enterprise or campus environment, a mobility switch maps a logical network identifier, such as a VLAN ID, to a “home” or wired network VLAN ID so that a mobile device is mapped to the wired VLAN for user identification, IP address consistency, and network policy enforcement. Propagation of the mapping to mobility switches ensures that a roaming user is mapped to the wired network VLAN from a remote L2 switch, and mobility tunnels across L3 boundaries allow roaming into a different broadcast domain or L3 switch connectivity in the mobility domain. Users are assigned to mobility VLAN(s) which are mapped to a VLAN in the wired domain at a mobility switch. The wireless users can roam within the wireless enterprise, or mobility domain, and the network maintains access to the user assigned mobility VLAN(s).
摘要翻译：在向企业或园区环境提供有线和无线网络传输的移动域中，移动交换机将诸如VLAN ID的逻辑网络标识符映射到“家庭”或有线网络VLAN ID，以便将移动设备映射到用于用户识别的有线VLAN，IP地址一致性和网络策略实施。映射到移动交换机的传播确保漫游用户从远程L2交换机映射到有线网络VLAN，跨越L3边界的移动性隧道允许漫游到移动性域中的不同广播域或L3交换机连接。用户被分配到在移动交换机上映射到有线域中的VLAN的移动VLAN。无线用户可以在无线企业或移动性域内漫游，并且网络维护对用户分配的移动性VLAN的访问。

5. 发明申请

US20100290398A1 Unifying Local and Mobility Network Identifiers 有权
标题翻译：统一本地和移动网络标识符
公开(公告)号：US20100290398A1
公开(公告)日：2010-11-18
申请号：US12776897
申请日：2010-05-10
申请人： Seemant Choudhary , Kumara Das Karunakaran , Shashi H. Ankaiah , Balachander Rajakondala
发明人： Seemant Choudhary , Kumara Das Karunakaran , Shashi H. Ankaiah , Balachander Rajakondala
IPC分类号： H04W40/00
CPC分类号： H04L12/465 , H04W8/26
摘要： In a mobility domain providing wired and wireless network transport to an enterprise or campus environment, a mobility switch maps a logical network identifier, such as a VLAN ID, to a “home” or wired network VLAN ID so that a mobile device is mapped to the wired VLAN for user identification, IP address consistency, and network policy enforcement. Propagation of the mapping to mobility switches ensures that a roaming user is mapped to the wired network VLAN from a remote L2 switch, and mobility tunnels across L3 boundaries allow roaming into a different broadcast domain or L3 switch connectivity in the mobility domain. Users are assigned to mobility VLAN(s) which are mapped to a VLAN in the wired domain at a mobility switch. The wireless users can roam within the wireless enterprise, or mobility domain, and the network maintains access to the user assigned mobility VLAN(s).
摘要翻译：在向企业或园区环境提供有线和无线网络传输的移动域中，移动交换机将诸如VLAN ID的逻辑网络标识符映射到“家庭”或有线网络VLAN ID，以便将移动设备映射到用于用户识别的有线VLAN，IP地址一致性和网络策略实施。映射到移动交换机的传播确保漫游用户从远程L2交换机映射到有线网络VLAN，跨越L3边界的移动性隧道允许漫游到移动性域中的不同广播域或L3交换机连接。用户被分配到在移动交换机上映射到有线域中的VLAN的移动VLAN。无线用户可以在无线企业或移动性域内漫游，并且网络维护对用户分配的移动性VLAN的访问。

6. 发明授权

US08427938B2 Virtual local area network server redundancy and failover to enable seamless mobility in the mobility domain 有权
标题翻译：虚拟局域网服务器冗余和故障切换，实现移动域中的无缝移动
公开(公告)号：US08427938B2
公开(公告)日：2013-04-23
申请号：US12772424
申请日：2010-05-03
申请人： Vivek Atreya , Shashi Ankaiah , Seemant Choudhary , Kumara Das Karunakaran
发明人： Vivek Atreya , Shashi Ankaiah , Seemant Choudhary , Kumara Das Karunakaran
IPC分类号： H04L1/00 , H04W4/00
CPC分类号： H04L12/4641 , G06F11/2023 , G06F11/2041 , G06F11/2048 , G06Q30/0241 , H04L12/4675
摘要： A method, apparatus and computer program product for providing Virtual Local Area Network (VLAN) server redundancy is presented. A mobility switch (MS) advertises to at least one peer mobility switch, VLANs configured as server capable, the advertising including providing priority information relating to a server for the VLAN. The MS receives advertising from the at least one peer mobility switch and elects a server for a mobility VLAN which is not mapped locally. The MS maintains a current server and a list of alternative servers for the VLAN and determines when the MS looses connection with the current server for the VLAN and moves the VLAN to an alternate server contained on the list.
摘要翻译：提出了一种用于提供虚拟局域网（VLAN）服务器冗余的方法，设备和计算机程序产品。移动交换机（MS）通告至少一个对等移动交换机，配置为服务器的VLAN，广告包括提供与VLAN的服务器相关的优先级信息。 MS从至少一个对等移动性交换机接收广告，并为未在本地映射的移动性VLAN选择服务器。 MS维护当前服务器和VLAN的备用服务器列表，并确定MS何时与当前服务器的VLAN断开连接，并将VLAN移动到列表中包含的备用服务器。

7. 发明申请

US20100293043A1 VIRTUAL LOCAL AREA NETWORK SERVER REDUNDANCY AND FAILOVER TO ENABLE SEAMLESS MOBILITY IN THE MOBILITY DOMAIN 有权
标题翻译：虚拟本地区域网络服务器冗余，并且无法在移动域中实现无缝移动
公开(公告)号：US20100293043A1
公开(公告)日：2010-11-18
申请号：US12772424
申请日：2010-05-03
申请人： Vivek Atreya , Shashi Ankaiah , Seemant Choudhary , Kumara Das Karunakaran
发明人： Vivek Atreya , Shashi Ankaiah , Seemant Choudhary , Kumara Das Karunakaran
IPC分类号： G06Q30/00 , G06Q10/00 , G06F11/20 , G06F15/173
CPC分类号： H04L12/4641 , G06F11/2023 , G06F11/2041 , G06F11/2048 , G06Q30/0241 , H04L12/4675
摘要： A method, apparatus and computer program product for providing Virtual Local Area Network (VLAN) server redundancy is presented. A mobility switch (MS) advertises to at least one peer mobility switch, VLANs configured as server capable, the advertising including providing priority information relating to a server for the VLAN. The MS receives advertising from the at least one peer mobility switch and elects a server for a mobility VLAN which is not mapped locally. The MS maintains a current server and a list of alternative servers for the VLAN and determines when the MS looses connection with the current server for the VLAN and moves the VLAN to an alternate server contained on the list.
摘要翻译：提出了一种用于提供虚拟局域网（VLAN）服务器冗余的方法，设备和计算机程序产品。移动交换机（MS）通告至少一个对等移动交换机，配置为服务器的VLAN，广告包括提供与VLAN的服务器相关的优先级信息。 MS从至少一个对等移动性交换机接收广告，并为未在本地映射的移动性VLAN选择服务器。 MS维护当前服务器和VLAN的备用服务器列表，并确定MS何时与当前服务器的VLAN断开连接，并将VLAN移动到列表中包含的备用服务器。

8. 发明授权

US08867507B2 Split-plane wireless network architecture 有权
标题翻译：分布式无线网络架构
公开(公告)号：US08867507B2
公开(公告)日：2014-10-21
申请号：US12765402
申请日：2010-04-22
申请人： Kumara Das Karunakaran , Seemant Choudhary , William Stanislaus , Tilak Ravi
发明人： Kumara Das Karunakaran , Seemant Choudhary , William Stanislaus , Tilak Ravi
IPC分类号： H04W4/00 , H04L12/717 , H04L12/715 , H04L12/46 , H04W40/24
CPC分类号： H04L45/42 , H04L12/467 , H04L45/04 , H04W40/24
摘要： A split-plane mobility network architecture separates control and data plane operations typically encapsulated in a conventional wireless controller. Configurations provide a unified split-plane mobility switch that separates the data transport and switching in a separate hardware element, and performs control plane operations via exchanges with a centralized topology, rather than simply by adjacent switches within range. In contrast to conventional switch deployment, in which the same switch handles processing demands of the control plane and the data plane, the disclosed approach separates the data plane processing base by employing a mobility agent to define adjacent switch visibility. Thus, the routing capabilities of the data plane may be enhanced, such as to handle increasingly bandwidth-hungry applications of the same user base, without uprooting the infrastructure defined by the control plane.
摘要翻译：分离平面移动网络架构分离了通常封装在常规无线控制器中的控制和数据平面操作。配置提供了一个统一的分裂平面移动交换机，它将数据传输和交换分开在一个单独的硬件元素中，并通过与集中式拓扑的交换执行控制平面操作，而不是简单地通过范围内的相邻交换机执行控制平面操作。与传统的交换机部署相反，其中相同的交换机处理控制平面和数据平面的处理需求，所公开的方法通过使用移动性代理来分隔数据平面处理基站以限定相邻的交换机可见性。因此，可以增强数据平面的路由能力，例如处理相同用户群的越来越多的带宽需求的应用，而不用根除由控制平面定义的基础设施。

9. 发明申请

US20100290396A1 SPLIT-PLANE WIRELESS NETWORK ARCHITECTURE 有权
标题翻译：分布式平面无线网络架构
公开(公告)号：US20100290396A1
公开(公告)日：2010-11-18
申请号：US12765402
申请日：2010-04-22
申请人： Kumara Das Karunakaran , Seemant Choudhary , William Stanislaus , Tilak Ravi
发明人： Kumara Das Karunakaran , Seemant Choudhary , William Stanislaus , Tilak Ravi
IPC分类号： H04W40/00
CPC分类号： H04L45/42 , H04L12/467 , H04L45/04 , H04W40/24
摘要： A split-plane mobility network architecture separates control and data plane operations typically encapsulated in a conventional wireless controller. Configurations provide a unified split-plane mobility switch that separates the data transport and switching in a separate hardware element, and performs control plane operations via exchanges with a centralized topology, rather than simply by adjacent switches within range. In contrast to conventional switch deployment, in which the same switch handles processing demands of the control plane and the data plane, the disclosed approach separates the data plane processing base by employing a mobility agent to define adjacent switch visibility. Thus, the routing capabilities of the data plane may be enhanced, such as to handle increasingly bandwidth-hungry applications of the same user base, without uprooting the infrastructure defined by the control plane.
摘要翻译：分离平面移动网络架构分离了通常封装在常规无线控制器中的控制和数据平面操作。配置提供了一个统一的分裂平面移动交换机，它将数据传输和交换分开在一个单独的硬件元素中，并通过与集中式拓扑的交换执行控制平面操作，而不是简单地通过范围内的相邻交换机执行控制平面操作。与传统的交换机部署相反，其中相同的交换机处理控制平面和数据平面的处理需求，所公开的方法通过使用移动性代理来分隔数据平面处理基站以限定相邻的交换机可见性。因此，可以增强数据平面的路由能力，例如处理相同用户群的越来越多的带宽需求的应用，而不用根除由控制平面定义的基础设施。

10. 发明申请

US20120087240A1 METHOD AND ARCHITECTURE FOR A SCALABLE APPLICATION AND SECURITY SWITCH USING MULTI-LEVEL LOAD BALANCING 有权
标题翻译：使用多级负载平衡的可扩展应用和安全开关的方法和架构
公开(公告)号：US20120087240A1
公开(公告)日：2012-04-12
申请号：US13267667
申请日：2011-10-06
申请人： Kumara Das Karunakaran , M S Badari Narayana
发明人： Kumara Das Karunakaran , M S Badari Narayana
IPC分类号： H04L12/26
CPC分类号： H04L47/125 , H04L12/4625 , H04L47/10 , H04L49/355 , H04L49/45 , H04L49/552 , H04L63/20 , H04L67/1002
摘要： A switch architecture and method provides scaling through multi-level load balancing of flows across data and application processing planes. An input/output module receives a communication session flow (forward) from a client device and selects one of a plurality of data processors to process the flow. The selected data processor determines the level of processing for the forward flow and selects an application processor from a plurality of such application processors. The application processor generates a session structure identifying actions to be performed on the forward flow and transfers the session structure to the selected data processor to perform the actions on the forward flow. The application processor also predictively generates and offloads a session structure for the associated reverse flow. If the reverse session structure is offloaded to a different data processor, either the forward or reverse flow redirects packets, or is redirected, to the data processor hosting the other flow.
摘要翻译：交换机架构和方法通过跨数据和应用处理平面的流的多级负载平衡提供扩展。输入/输出模块从客户端设备接收通信会话流（向前），并选择多个数据处理器中的一个处理流程。所选择的数据处理器确定正向流的处理级别，并从多个这样的应用处理器中选择应用处理器。应用处理器生成会话结构，该会话结构标识要在前向流上执行的动作，并将会话结构传送到所选择的数据处理器，以对前向流执行动作。应用处理器还可预测地生成和卸载相关逆向流的会话结构。如果反向会话结构被卸载到不同的数据处理器，则正向或反向流将分组重定向或重定向到主机另一流的数据处理器。

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