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1. 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。

2. 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。

3. 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。

4. 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。

5. 发明申请

US20100161969A1 NETWORK DEVICE AUTHENTICATION 有权
标题翻译：网络设备认证
公开(公告)号：US20100161969A1
公开(公告)日：2010-06-24
申请号：US12343242
申请日：2008-12-23
申请人： Dragan Grebovich , Kumara Das Karunakaran , Biju Kunjukunju
发明人： Dragan Grebovich , Kumara Das Karunakaran , Biju Kunjukunju
IPC分类号： H04L29/06 , H04L9/32
CPC分类号： H04L9/3265 , H04L9/321 , H04L9/3247 , H04L63/0823 , H04L2209/805
摘要： The present invention relates to using digital certificates to allow network devices to authenticate themselves upon being accepted into and forming part of a communication network.
摘要翻译：本发明涉及使用数字证书以允许网络设备在接受并形成通信网络的一部分时对其进行认证。

6. 发明授权

US10255116B1 Method of redistributing access points automatically to controllers for restoring topology and balancing load 有权
公开(公告)号：US10255116B1
公开(公告)日：2019-04-09
申请号：US12847599
申请日：2010-07-30
申请人： M. S. Badari Narayana , Kumara Das Karunakaran
发明人： M. S. Badari Narayana , Kumara Das Karunakaran
IPC分类号： G06F15/177 , G06F9/50 , H04L12/923 , H04L12/803
摘要： A method, apparatus and computer program product for performing load balancing of SNDs and FNDs is presented. The presently disclosed method and apparatus for providing load balancing solves the problem of improper wireless traffic distribution in an enterprise network that may cause overload on some FNDs while some others are lightly loaded. The presently described methods and apparatus, by use of a single command, allow a user to restore the FNDs and SNDs to a preplanned topology or balance the load on controllers without overriding the manual assignments specified by the user.

7. 发明授权

US09131366B2 Unifying virtualizations in a core network and a wireless access network 有权
标题翻译：在核心网络和无线接入网络中统一虚拟化
公开(公告)号：US09131366B2
公开(公告)日：2015-09-08
申请号：US12339404
申请日：2008-12-19
申请人： Mohnish Anumala , Kumara-Das Karunakaran
发明人： Mohnish Anumala , Kumara-Das Karunakaran
IPC分类号： H04W8/26 , H04L12/46 , H04W92/02
CPC分类号： H04W8/26 , H04L12/4625 , H04L12/4662 , H04L12/4666 , H04W92/02
摘要： To unify virtualizations in a core network and a wireless access network, a virtual wireless network is mapped to a virtual network in the core network. Based on the mapping, data associated with a communications session can be communicated through the virtual wireless network and core virtual network.
摘要翻译：为了在核心网络和无线接入网络中统一虚拟化，将虚拟无线网络映射到核心网络中的虚拟网络。基于映射，可以通过虚拟无线网络和核心虚拟网络来传送与通信会话相关联的数据。

8. 发明授权

US08619549B2 Location based load balancing of wireless access points and wireless switches 有权
标题翻译：无线接入点和无线交换机的基于位置的负载平衡
公开(公告)号：US08619549B2
公开(公告)日：2013-12-31
申请号：US12773267
申请日：2010-05-04
申请人： M S Badari Narayana , Kumara Das Karunakaran , Seemant Choudary , Veniamin Bourakov
发明人： M S Badari Narayana , Kumara Das Karunakaran , Seemant Choudary , Veniamin Bourakov
IPC分类号： H04L12/26
CPC分类号： H04W28/08 , H04L47/125
摘要： A method, apparatus and computer program product for performing location based load balancing of wireless access points and wireless switches is presented. A wireless controller (WC) receives an associate message from an Access Point (AP)/wireless switch (WS) at the WC. The WC then determines whether a preferred WC for the AP/WS is available. When the preferred WC is not available, then the WC determines if an alternate WC for the AP is available. When the alternate WC is not available, an administrator configured policy may be used that maps the AP to a specific WC. When the policy does exist then the AP is coupled to the WC according to the policy and when the policy does not exist then the WC parses the AP/WS location information for the AP/WS to determine an available geographically closest WC for the AP/WS and sends a message to the AP/WS relating to the available WC. The WC will also assign an available geographically closest WS to AP.
摘要翻译：提出了一种用于执行无线接入点和无线交换机的基于位置的负载平衡的方法，装置和计算机程序产品。无线控制器（WC）在WC处从接入点（AP）/无线交换机（WS）接收关联消息。然后，WC确定AP / WS的首选WC是否可用。当首选WC不可用时，WC确定AP的替代WC是否可用。当备用WC不可用时，可以使用将AP映射到特定WC的管理员配置的策略。当策略确实存在时，AP根据策略耦合到WC，并且当策略不存在时，WC解析AP / WS的AP / WS位置信息，以确定AP / WS的可用的地理位置最接近的WC， WS并向与可用WC相关的AP / WS发送消息。 WC还将为AP分配一个可用的地理位置最接近的WS。

9. 发明授权

US08477613B2 Method and architecture for a scalable application and security switch using multi-level load balancing 有权
标题翻译：可扩展应用程序和使用多级负载平衡的安全交换机的方法和架构
公开(公告)号：US08477613B2
公开(公告)日：2013-07-02
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： H04L12/56 , H04L12/46 , H04J3/00
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。

10. 发明授权

US08428021B2 Architecture using inexpensive, managed wireless switching points to deliver large scale WLAN 有权
标题翻译：架构采用廉价的管理无线交换点来提供大规模WLAN
公开(公告)号：US08428021B2
公开(公告)日：2013-04-23
申请号：US12775026
申请日：2010-05-06
申请人： Kumara Das Karunakaran , Tilak Ravi , Curtis Santos
发明人： Kumara Das Karunakaran , Tilak Ravi , Curtis Santos
IPC分类号： H04W4/00 , H04L12/24 , H04L12/66
CPC分类号： H04L12/4625 , H04L41/0213 , H04L41/082 , H04W88/085 , H04W88/12
摘要： Methods, apparatus and a computer program product provide for a network architecture implemented between a Wireless Switching Point and a remote Wireless Controller. The Wireless Switching Point contains only a first data plane portion. At least one incoming data packet is received at a respective port of the Wireless Switching Point. Based on data included within the at least one incoming data packet, the Wireless Switching Point determines a first current network interface utilized by at least one port of the Wireless Switching Point. The Wireless Switching Point uploads the first current network interface to a remote Wireless Controller—which implements a first control plane capability on behalf of the Wireless Switching Point. After uploading the first current network interface, the Wireless Switching Point receives an update, provided by the remote Wireless Controller, to the first current network interface.
摘要翻译：方法，装置和计算机程序产品提供了在无线切换点和远程无线控制器之间实现的网络架构。无线切换点仅包含第一数据平面部分。在无线交换点的相应端口处接收至少一个输入数据分组。基于包括在至少一个输入数据分组内的数据，无线切换点确定由无线交换点的至少一个端口使用的第一当前网络接口。无线切换点将第一当前网络接口上传到远程无线控制器，该无线控制器代表无线交换点实现第一控制平面能力。上传第一个当前网络接口后，无线切换点接收由远程无线控制器提供的更新到第一个当前网络接口。

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