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1. 发明授权

US08881236B2 Method and apparatus for a control plane to manage domain-based security and mobility in an information centric network 有权
标题翻译：控制平面在信息中心网络中管理基于域的安全性和移动性的方法和装置
公开(公告)号：US08881236B2
公开(公告)日：2014-11-04
申请号：US13352835
申请日：2012-01-18
申请人： Guoqiang Wang , Xinwen Zhang , Ravi Ravindran
发明人： Guoqiang Wang , Xinwen Zhang , Ravi Ravindran
IPC分类号： G06F7/04 , H04L29/08 , H04W4/08
CPC分类号： H04W36/06 , H04L61/10 , H04L63/20 , H04L67/2819 , H04L67/327 , H04W4/08
摘要： A networking system comprising a virtual group controller in an information centric network configured to enable mobility and security for a plurality of users groups of the information centric network, a plurality of user groups coupled to the virtual group controller and associated with the users, a plurality of agents that are each associated with one of the user groups, and a database for trusted service profile coupled to the virtual group controller, wherein the virtual group controller is configured to interact with the agents to enable mobility for the user groups using a server-less domain-based naming scheme.
摘要翻译：一种网络系统，包括信息中心网络中的虚拟组控制器，其被配置为实现信息中心网络的多个用户组的移动性和安全性，耦合到虚拟组控制器并与用户相关联的多个用户组，多个每个与所述用户组中的一个相关联的代理以及耦合到所述虚拟组控制器的可信服务简档的数据库，其中所述虚拟组控制器被配置为与所述代理进行交互以使得能够使用服务器 - 较少的基于域的命名方案。

2. 发明授权

US07382738B2 Method and apparatus for computing metric information for abstracted network links 有权
标题翻译：用于计算抽象网络链路的度量信息的方法和装置
公开(公告)号：US07382738B2
公开(公告)日：2008-06-03
申请号：US10718681
申请日：2003-11-24
申请人： Ravi Ravindran , Peter Ashwood Smith , Guo Qiang Wang , Hong Zhang
发明人： Ravi Ravindran , Peter Ashwood Smith , Guo Qiang Wang , Hong Zhang
IPC分类号： H04L12/28
CPC分类号： H04L45/123 , H04L45/12
摘要： A method and apparatus for associating metric information with an abstracted link of an abstracted network map that includes certain network elements (NEs) of a data transport network involves computing routes through the data transport network between the NEs of the abstracted network map. The routes may be computed using the shortest widest path algorithm. The routes from an NE are exchanged with the other NEs of the abstracted network map, so that an edge NE receives the resource availability information of all optimal routes between pairs of NEs in the abstracted network map. The edge NE then transforms the resource availability of a corresponding optimal route into metric information of an abstracted link. The metric information is sent to a client associated with the abstracted network map to permit the client to make routing decisions.
摘要翻译：用于将度量信息与包括数据传输网络的某些网元（NE）的抽象网络映射的抽象链路相关联的方法和装置涉及通过抽象网络映射的NE之间的数据传输网络来计算路由。可以使用最短最宽路径算法计算路由。来自网元的路由与抽象网络图的其他网元交换，边缘网元在抽象网络图中收到网元对之间的所有最优路由的资源可用性信息。边缘NE然后将对应的最优路由的资源可用性转换为抽象链路的度量信息。将度量信息发送到与抽象网络映射关联的客户端，以允许客户端做出路由决定。

3. 发明申请

US20050190704A1 Method and apparatus for deriving optimal paths through a network subject to a subset sequence constraint 有权
标题翻译：用于通过经受子集序列约束的网络导出最优路径的方法和装置
公开(公告)号：US20050190704A1
公开(公告)日：2005-09-01
申请号：US10787107
申请日：2004-02-27
申请人： Hong Zhang , Ravi Ravindran , Peter Smith , Guo Wang
发明人： Hong Zhang , Ravi Ravindran , Peter Smith , Guo Wang
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L45/00 , H04L45/48
摘要： A routing tree that spans a graph representing a network is constructed by iteratively expanding the tree to include a node of the graph that is not in the tree, the node being chosen because an allowable path extends from a root of the tree to the node that is optimal in comparison with the other paths to the other nodes not in the tree. If the path to the node cannot be extended to a node in the serial restriction group, the node is re-included in the tree using a secondary path to the node that can be extended to a node in the serial restriction group, if the secondary path is most optimal among the paths to nodes outside of the tree.
摘要翻译：跨越表示网络的图形的路由树通过迭代地扩展树以构成不包括在树中的图的节点来构造，该节点被选择，因为允许的路径从树的根延伸到节点与不在树中的其他节点的其他路径相比是最佳的。如果节点的路径不能扩展到串行限制组中的一个节点，则使用可以扩展到串行限制组中的节点的节点的辅助路径将节点重新包含在树中，如果辅助节点路径在树之外的节点的路径中是最佳的。

4. 发明申请

US20050063411A1 Method and apparatus for providing network VPN services on demand 失效
标题翻译：根据需要提供网络VPN服务的方法和装置
公开(公告)号：US20050063411A1
公开(公告)日：2005-03-24
申请号：US10666529
申请日：2003-09-19
申请人： Guo-Quiang Wang , Ravi Ravindran , Min Xia
发明人： Guo-Quiang Wang , Ravi Ravindran , Min Xia
IPC分类号： H04L12/46 , H04L12/28
CPC分类号： H04L12/4608
摘要： A S-VPN gateway provides a signaling gateway to integrate SIP signaling and UNI/NNI signaling, and manage the mapping between SIP sessions and VPN connections. The mapping relationship reflects the access of user applications to the specific VPN tunnels, multiplexing of media service sessions to VPN tunnels, VPN service creation, service duration, VPN QoS, VPN service life cycle management, and VPN service charge based on a per-service-usage. The S-VPN gateway also provides VPN access policy/security management (i.e., inter-domain AAA process), VPN membership auto-discovery, service auto-discovery, network resource auto-discovery, address resolution service for both SIP and VPN naming space, VPN service mobility, and SLA management. The S-VPN gateway enables network VPN tunnels to be created in advanced and accessed on-demand, for example by enterprise VPN applications such as GRID applications, through a SIP interface.
摘要翻译： S-VPN网关提供信令网关，集成SIP信令和UNI / NNI信令，并管理SIP会话和VPN连接之间的映射。映射关系反映了用户应用对特定VPN隧道的访问，媒体业务会话到VPN隧道的复用，VPN业务创建，业务持续时间，VPN QoS，VPN业务生命周期管理以及基于每个业务的VPN业务费用 -用法。 S-VPN网关还提供VPN访问策略/安全管理（即域间AAA进程），VPN成员自动发现，服务自动发现，网络资源自动发现，SIP和VPN命名空间的地址解析服务，VPN服务移动性和SLA管理。 S-VPN网关使网络VPN隧道可以按照高级和按需访问的方式创建，例如通过SIP接口的企业VPN应用程序，如GRID应用程序。

5. 发明申请

US20120204224A1 Method and Apparatus for a Control Plane to Manage Domain-Based Security and Mobility in an Information Centric Network 有权
标题翻译：用于控制平面管理信息中心网络中基于域的安全性和移动性的方法和装置
公开(公告)号：US20120204224A1
公开(公告)日：2012-08-09
申请号：US13352835
申请日：2012-01-18
申请人： Guoqiang Wang , Xinwen Zhang , Ravi Ravindran
发明人： Guoqiang Wang , Xinwen Zhang , Ravi Ravindran
IPC分类号： H04W12/00 , G06F15/16
CPC分类号： H04W36/06 , H04L61/10 , H04L63/20 , H04L67/2819 , H04L67/327 , H04W4/08
摘要： A networking system comprising a virtual group controller in an information centric network configured to enable mobility and security for a plurality of users groups of the information centric network, a plurality of user groups coupled to the virtual group controller and associated with the users, a plurality of agents that are each associated with one of the user groups, and a database for trusted service profile coupled to the virtual group controller, wherein the virtual group controller is configured to interact with the agents to enable mobility for the user groups using a server-less domain-based naming scheme.
摘要翻译：一种网络系统，包括信息中心网络中的虚拟组控制器，其被配置为实现信息中心网络的多个用户组的移动性和安全性，耦合到虚拟组控制器并与用户相关联的多个用户组，每个与所述用户组中的一个相关联的代理以及耦合到所述虚拟组控制器的可信服务简档的数据库，其中所述虚拟组控制器被配置为与所述代理进行交互以使得能够使用服务器 - 较少的基于域的命名方案。

6. 发明申请

US20120307625A1 Method and Apparatus For Selecting Between Available Neighbors in a RAPID Alternate Path Calculation 有权
标题翻译：用于在RAPID替代路径计算中的可用邻居之间选择的方法和装置
公开(公告)号：US20120307625A1
公开(公告)日：2012-12-06
申请号：US13588126
申请日：2012-08-17
申请人： Ravi Ravindran , Peter Ashwood Smith , Hong Zhang
发明人： Ravi Ravindran , Peter Ashwood Smith , Hong Zhang
IPC分类号： H04L12/437 , H04L12/24 , H04L12/42
CPC分类号： H04L45/12 , H04L41/06 , H04L45/00 , H04L45/02 , H04L45/123 , H04L45/18 , H04L45/22 , H04L45/28
摘要： A weighting process may be used to select between alternate neighbors in a RAPID calculation to enable policy and/or traffic engineering considerations to affect the selection of an alternate path through the network. The information used to weight the neighbors may static administratively assigned weighting information or dynamic weighting information such as local statistical traffic condition information. The process may take into account the amount of traffic being handled by the current primary next hop for the destination, the available capacity of the available alternate neighbors, the ability of the alternate neighbors to handle the additional traffic, and other considerations. Weighting may occur after a set of available loop free alternate neighbors has been determined. Alternatively, weighting may occur before the RAPID calculation has been performed to cause the neighbors to be ordered prior to RAPID processing. This may enable RAPID calculation to stop without considering all available neighbors.
摘要翻译：可以使用加权过程来在RAPID计算中的备选邻居之间进行选择，以使策略和/或流量工程注意事项能够影响通过网络的备用路径的选择。用于加权邻居的信息可以静态地管理地分配加权信息或动态加权信息，例如本地统计交通状况信息。该过程可以考虑由目的地的当前主要下一跳处理的业务量，可用备用邻居的可用容量，备用邻居处理附加业务的能力以及其他考虑。在确定了一组可用的无环路交替邻居之后，可能会发生加权。或者，可以在执行RAPID计算之前进行加权，以使得在RAPID处理之前对邻居进行排序。这可能使RAPID计算停止，而不考虑所有可用的邻居。

7. 发明授权

US09059920B2 Method and apparatus for selecting between available neighbors in a RAPID alternate path calculation 有权
标题翻译：用于在RAPID替代路径计算中的可用邻居之间进行选择的方法和装置
公开(公告)号：US09059920B2
公开(公告)日：2015-06-16
申请号：US13588126
申请日：2012-08-17
申请人： Ravi Ravindran , Peter Ashwood Smith , Hong Zhang
发明人： Ravi Ravindran , Peter Ashwood Smith , Hong Zhang
IPC分类号： H04L12/721 , H04L12/701 , H04L12/751 , H04L12/705 , H04L12/707 , H04L12/703 , H04L12/24
CPC分类号： H04L45/12 , H04L41/06 , H04L45/00 , H04L45/02 , H04L45/123 , H04L45/18 , H04L45/22 , H04L45/28
摘要： A weighting process may be used to select between alternate neighbors in a RAPID calculation to enable policy and/or traffic engineering considerations to affect the selection of an alternate path through the network. The information used to weight the neighbors may static administratively assigned weighting information or dynamic weighting information such as local statistical traffic condition information. The process may take into account the amount of traffic being handled by the current primary next hop for the destination, the available capacity of the available alternate neighbors, the ability of the alternate neighbors to handle the additional traffic, and other considerations. Weighting may occur after a set of available loop free alternate neighbors has been determined. Alternatively, weighting may occur before the RAPID calculation has been performed to cause the neighbors to be ordered prior to RAPID processing. This may enable RAPID calculation to stop without considering all available neighbors.
摘要翻译：可以使用加权过程来在RAPID计算中的备选邻居之间进行选择，以使策略和/或流量工程注意事项能够影响通过网络的备用路径的选择。用于加权邻居的信息可以静态地管理地分配加权信息或动态加权信息，例如本地统计交通状况信息。该过程可以考虑由目的地的当前主要下一跳处理的业务量，可用替代邻居的可用容量，备用邻居处理附加业务的能力以及其他考虑。在确定了一组可用的无环路交替邻居之后，可能会发生加权。或者，可以在执行RAPID计算之前进行加权，以使得在RAPID处理之前对邻居进行排序。这可能使RAPID计算停止，而不考虑所有可用的邻居。

8. 发明申请

US20140140243A1 METHOD AND APPARATUS FOR LAYER 2 FAST RE-CONFIGURATION IN A ROUTING BRIDGE NETWORK 审中-公开
标题翻译：方法和装置在路由网络中的2层快速重配置
公开(公告)号：US20140140243A1
公开(公告)日：2014-05-22
申请号：US13678719
申请日：2012-11-16
申请人： Peter Ashwood-Smith , Guoli Yin , Ravi Ravindran
发明人： Peter Ashwood-Smith , Guoli Yin , Ravi Ravindran
IPC分类号： H04L12/24
CPC分类号： H04L49/65 , H04L45/66
摘要： A method and apparatus in provided which enables fast layer 2 reconfiguration in a network that includes Routing Bridges. Each Routing Bridge stores, for each forwarding target, identifiers of a primary next Rbridge and an alternate next Rbridge. The forwarding target may be a network end node, or an Egress Rbridge associated with the network end node. In response to a trigger condition, layer 2 communications are selectively switched from a path that includes the primary next Rbridge device to a path that includes the alternate next Rbridge device.
摘要翻译：一种提供的方法和装置，其能够在包括路由桥的网络中实现快速层2重新配置。每个路由桥为每个转发目标存储主要下一个Rbridge和另一个下一个R桥的标识符。转发目标可以是与网络端节点相关联的网络端节点或出口R桥。响应于触发条件，层2通信被选择性地从包括主下一个R桥设备的路径切换到包括备用的下一个R桥设备的路径。

9. 发明授权

US08331360B1 Method and apparatus for layer 2 fast re-configuration in a routing bridge network 失效
标题翻译：用于层2快速重新配置在路由桥网络中的方法和装置
公开(公告)号：US08331360B1
公开(公告)日：2012-12-11
申请号：US11262665
申请日：2005-10-31
申请人： Peter Ashwood-Smith , Guoll Yin , Ravi Ravindran
发明人： Peter Ashwood-Smith , Guoll Yin , Ravi Ravindran
IPC分类号： H04L12/28
CPC分类号： H04L12/1868 , H04L12/1881
摘要： A method and apparatus in provided which enables fast layer 2 reconfiguration in a network that includes Routing Bridges. Each Routing Bridge stores, for each forwarding target, identifiers of a primary next Rbridge and an alternate next Rbridge. The forwarding target may be a network end node, or an Egress Rbridge associated with the network end node. In response to a trigger condition, layer 2 communications are selectively switched from a path that includes the primary next Rbridge device to a path that includes the alternate next Rbridge device.
摘要翻译：一种提供的方法和装置，其能够在包括路由桥的网络中实现快速层2重新配置。每个路由桥为每个转发目标存储主要下一个Rbridge和另一个下一个Rbridge的标识符。转发目标可以是与网络端节点相关联的网络端节点或出口R桥。响应于触发条件，层2通信被选择性地从包括主下一个R桥设备的路径切换到包括备用的下一个R桥设备的路径。

10. 发明授权

US07590074B1 Method and apparatus for obtaining routing information on demand in a virtual private network 失效
标题翻译：用于在虚拟专用网络中根据需要获取路由信息的方法和装置
公开(公告)号：US07590074B1
公开(公告)日：2009-09-15
申请号：US11001815
申请日：2004-12-02
申请人： Lakshminath Dondeti , Donald Fedyk , Ravi Ravindran , Hong Zhang
发明人： Lakshminath Dondeti , Donald Fedyk , Ravi Ravindran , Hong Zhang
IPC分类号： H04L12/28
CPC分类号： H04L12/4675 , H04L45/00 , H04L45/04 , H04L45/302 , H04L2212/00
摘要： Routing information may be provided to VPN sites on demand to allow smaller VPN sites with smaller routing tables to communicate directly with other VPN sites. This allows the meshed VPN architecture to scale to a size larger than where each VPN site is required to store routing information for all other VPN sites. A route server is instantiated on the network, optionally in connection with a Group Controller Key Server, to manage distribution of routes on the network and to provide routes to VPN sites on demand. As routes are learned by the VPN sites they are advertised to the route server, which selectively advertises the routes to other VPN sites depending on the per-site preferences. When a VPN site needs routing information to communicate with another VPN site, the network element will check its routing table for the route, and if the route is not available, will obtain the route on-demand from the route server.
摘要翻译：路由信息可以根据需要提供给VPN站点，以允许具有较小路由表的较小VPN站点与其他VPN站点直接通信。这允许网状VPN架构扩展到比需要每个VPN站点存储所有其他VPN站点的路由信息所需的大小。在网络上实例化路由服务器，可选地与组控制器密钥服务器连接，以管理网络上的路由分发，并根据需要向VPN站点提供路由。由于路由是由VPN站点学习的，它们被通告给路由服务器，该路由服务器根据每个站点的偏好选择性地将路由发布到其他VPN站点。当VPN站点需要路由信息与另一个VPN站点通信时，网元将检查路由表的路由，如果路由不可用，将从路由服务器获取路由。

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