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1. 发明授权

US08565070B2 System and method for active geographic redundancy 有权
标题翻译：主动地理冗余的系统和方法
公开(公告)号：US08565070B2
公开(公告)日：2013-10-22
申请号：US11731920
申请日：2007-04-02
申请人： Matthew H. Harper , Rajesh Ramankutty , Greg Cheever , Sanil Kumar Puthiyandyil
发明人： Matthew H. Harper , Rajesh Ramankutty , Greg Cheever , Sanil Kumar Puthiyandyil
IPC分类号： H04J3/14
CPC分类号： H04L43/00 , H04L41/06 , H04L41/0869 , H04L45/00
摘要： Systems and methods are provided that allow voice and data traffic to be shifted from one chassis to other chassis without interrupting service. Geographic Redundancy (GR) is an inter-chassis redundancy, where the chassis may be a home agent, a packet data serving node, or any combination of wireless networking devices. Additionally, each chassis can have one or more partitions that handle subscriber session traffic and a corresponding redundant partition on a different chassis. The redundant chassis partition can take over all or a portion of the functionality of the active chassis partition if the active chassis or any critical peer servers/gateways communicating with the active chassis should fail. This provides users with uninterrupted service in the case of some failures.
摘要翻译：提供了允许语音和数据业务从一个机箱转移到其他机箱而不中断服务的系统和方法。地理冗余（GR）是机架间冗余，其中机箱可以是归属代理，分组数据服务节点或无线联网设备的任何组合。此外，每个机架可以具有一个或多个处理订户会话流量的分区和在不同机箱上的对应的冗余分区。如果主动机箱或与主动机箱通信的任何关键对等服务器/网关都将失败，冗余机箱分区可以占用主动机箱分区的全部或部分功能。这在一些故障的情况下为用户提供不间断的服务。

2. 发明申请

US20080112374A1 System and method for redirecting requests 有权
标题翻译：用于重定向请求的系统和方法
公开(公告)号：US20080112374A1
公开(公告)日：2008-05-15
申请号：US11599959
申请日：2006-11-15
申请人： Rajesh Ramankutty , Noel Charath , Sanil Kumar Puthiyandyil
发明人： Rajesh Ramankutty , Noel Charath , Sanil Kumar Puthiyandyil
IPC分类号： H04Q7/00
CPC分类号： H04W28/08 , H04L61/1511 , H04L61/6013 , H04L67/2814 , H04W8/12 , H04W80/04 , H04W88/182
摘要： Systems and methods for intercepting and redirecting requests are provided. More particularly, certain information is identified in a packet and the packet is redirected to a specified server. The information that is redirected may be bound for a server in a network that a mobile node is currently visiting, and it is advantageous to fulfill the request in another network instead. The request is redirected to the other network; however, the response to the request may be modified changing the source address and other information so that the response appears to have originated from the server in the visited network to which the mobile node sent the request. Load balancing may also be incorporated when redirecting requests from one or more mobile nodes.
摘要翻译：提供了拦截和重定向请求的系统和方法。更具体地，在分组中识别某些信息，并且分组被重定向到指定的服务器。被重定向的信息可以绑定到移动节点正在访问的网络中的服务器，并且有利的是在另一个网络中完成该请求。请求被重定向到另一个网络; 然而，可以修改对请求的响应，改变源地址和其他信息，使得响应看起来源自移动节点发送请求的访问网络中的服务器。当重定向来自一个或多个移动节点的请求时，还可以并入负载平衡。

3. 发明授权

US08700771B1 System and method for caching access rights 有权
标题翻译：用于缓存访问权限的系统和方法
公开(公告)号：US08700771B1
公开(公告)日：2014-04-15
申请号：US11475624
申请日：2006-06-26
申请人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Matthew H. Harper
发明人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Matthew H. Harper
IPC分类号： G06F15/173 , H04L12/28
CPC分类号： H04L63/101 , H04W12/08 , H04W88/16
摘要： Systems and methods for caching information related to access rights are provided. The access rights may be rules stored in an access control list. The cache may include packet parameters against which packets in a data flow are matched to determine if a match is possible from the cache. If a match is possible, a corresponding rule is applied to the packet. If a match is not found in the cache, the access control list may be searched for a corresponding rule. The rule from the access control list may be populated into the cache when a match is found in the access control list.
摘要翻译：提供了用于缓存与访问权限相关的信息的系统和方法。访问权限可以是存储在访问控制列表中的规则。高速缓存可以包括与数据流中的分组匹配的分组参数，以确定是否可以从缓存进行匹配。如果可以进行匹配，则将相应的规则应用于数据包。如果在缓存中没有找到匹配，则可以搜索访问控制列表以获得相应的规则。当在访问控制列表中找到匹配时，来自访问控制列表的规则可以被填充到高速缓存中。

4. 发明授权

US08638747B2 System and method for handoffs between technologies 有权
标题翻译：技术之间切换的系统和方法
公开(公告)号：US08638747B2
公开(公告)日：2014-01-28
申请号：US12028280
申请日：2008-02-08
申请人： Shaji E. Radhakrishnan , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Leonard Schwartz
发明人： Shaji E. Radhakrishnan , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Leonard Schwartz
IPC分类号： H04W4/00 , H04Q11/00
CPC分类号： H04W36/0022 , H04W8/087 , H04W36/0033 , H04W76/10 , H04W80/04 , H04W80/10
摘要： Systems and methods for providing a handoff between technologies are disclosed. An intra-technology handoff occurs where the same integrated chassis handles the session for the different access technologies. In an intra-technology handoff, the same IP address and the session can be maintained through the handoff. The mobile node can undergo a handoff without issuing a registration request in some embodiments. An inter-technology handoff occurs from one integrated chassis to another integrated chassis. The integrated chassis can preserve session and context information in a session manager and in a handoff from one access technology to another the same session manager can be chosen with the session and context information remaining intact even though the access technology has changed. The integrated chassis can provide an access technology handoff where the core network does not notice any change and applications running on or delivered to the mobile node are not effected.
摘要翻译：公开了用于提供技术之间切换的系统和方法。发生技术间切换，其中相同的集成机箱处理不同接入技术的会话。在技术内切换中，可以通过切换维护相同的IP地址和会话。在一些实施例中，移动节点可以进行切换而不发出注册请求。从一个集成的机箱到另一个集成的机箱发生了跨技术切换。集成机箱可以在会话管理器中保存会话和上下文信息，并且在从一个接入技术到另一个接入技术的切换中可以选择同一会话管理器，即使接入技术已经改变，会话和上下文信息保持完整。集成机架可以提供接入技术切换，其中核心网络不注意到任何改变，并且不影响在移动节点上运行或传送到移动节点的应用。

5. 发明授权

US08223687B2 Method for providing home agent geographic redundancy via a service redundancy protocol 有权
标题翻译：通过业务冗余协议提供归属代理地理冗余的方法
公开(公告)号：US08223687B2
公开(公告)日：2012-07-17
申请号：US11286050
申请日：2005-11-23
申请人： Greg Cheever , Sanil Kumar Puthiyandyil , Rajesh Ramankutty
发明人： Greg Cheever , Sanil Kumar Puthiyandyil , Rajesh Ramankutty
IPC分类号： H04W4/00
CPC分类号： H04W8/12 , H04L67/1002 , H04L69/40 , H04W8/065 , H04W28/08 , H04W80/04
摘要： Methods and systems for providing redundancy in servicing packet data communications within wireless mobile data networks are disclosed. More particularly, the method and system provide a redundant Home Agent with the ability to assume the role of the primary Home Agent in the event of a primary Home Agent network, software, or other failure. The redundancy allows the Home Agent services to remain functional even in the event of a failure of one of the Home Agents in the redundant group, which may be composed of one or more Home Agents. The Home Agents can use a service redundancy protocol which is composed of messages that are sent between the redundant group of Home Agents. The messages allow the Home Agents to, for example, back up call session information, check on the status of one another, and share priority information.
摘要翻译：公开了在无线移动数据网络内为分组数据通信提供冗余服务的方法和系统。更具体地说，该方法和系统提供冗余的家庭代理，能够在主要归属代理网络，软件或其他故障的情况下承担主归属代理的角色。冗余允许家庭代理服务即使在冗余组中的其中一个归属代理的故障的情况下仍然可用，该组可由一个或多个归属代理组成。归属代理可以使用服务冗余协议，该协议由在冗余的归属代理组之间发送的消息组成。消息允许归属代理例如备份呼叫会话信息，检查彼此的状态，并共享优先级信息。

6. 发明授权

US07885248B2 System and method for traffic localization 有权
标题翻译：流量定位的系统和方法
公开(公告)号：US07885248B2
公开(公告)日：2011-02-08
申请号：US11787740
申请日：2007-04-17
申请人： Matthew H. Harper , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Shaji E. Radhakrishnan , Kuntal Chowdhury
发明人： Matthew H. Harper , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Shaji E. Radhakrishnan , Kuntal Chowdhury
IPC分类号： H04L12/56
CPC分类号： H04W8/082 , H04L67/14 , H04L67/148 , H04W28/06 , H04W40/34 , H04W48/16 , H04W76/12 , H04W80/04
摘要： Systems and methods for bridging packet flows to bypass call legs and/or tunnels are provided. A tunnel initiator, which can be an access gateway, a foreign agent, and a mobility anchor point, for example, provides a bypass for certain packets that have a destination serviced by the same tunnel initiator. The bridge allows the packets to bypass a backhaul loop and reduces latency and frees bandwidth for other purposes in the network. The bridging can be implemented in a tunnel initiator for mobile to mobile packet flows, mobile to land line packet flows, and land line to mobile packet flows. Route optimization can also be provided in certain embodiments.
摘要翻译：提供了将分组流桥接到旁路呼叫支路和/或隧道的系统和方法。例如，可以是接入网关，外部代理和移动性锚点的隧道启动器为具有由相同隧道启动器服务的目的地的某些分组提供旁路。桥接器允许数据包绕过回程循环并减少延迟并释放带宽用于网络中的其他目的。桥接可以在用于移动到移动分组流，移动到陆地分组流和陆地线到移动分组流的隧道发起者中实现。在某些实施例中也可以提供路由优化。

7. 发明申请

US20090129271A1 PROVIDING SERVICES TO PACKET FLOWS IN A NETWORK 有权
标题翻译：向网络中的分组流提供服务
公开(公告)号：US20090129271A1
公开(公告)日：2009-05-21
申请号：US11942446
申请日：2007-11-19
申请人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Timothy G. Mortsolf , Matthew H. Harper
发明人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Timothy G. Mortsolf , Matthew H. Harper
IPC分类号： H04L12/56
CPC分类号： H04L12/66
摘要： A system and method for providing services to packet flows in a communication network. The services include enhanced charging, stateful firewalls, traffic performance optimization (TPO) and advanced services such as content differentiated charging, per-subscriber stateful firewalls, and VPNs, for example. A gateway can be used to route each packet flow through the services on a per-subscriber basis by inspecting accounting messages and checking subscriber profiles prior to setting up a new packet flow session. By directing the packet flow through the services requested latency can be reduced as well as the need to have equipment for each session regardless of whether the service is provided to the packet flow. The services can be provided in-line as well.
摘要翻译：一种用于向通信网络中的分组流提供服务的系统和方法。这些服务包括增强的计费，状态防火墙，流量性能优化（TPO）和诸如内容差异化计费，每用户状态防火墙和VPN等高级服务。网关可用于通过在建立新的分组流会话之前检查计费消息和检查用户简档来在每个用户的基础上路由每个分组流通过服务。通过指示分组流经过所请求的服务的延迟可以减少，以及需要为每个会话设置设备，而不管服务是否被提供给分组流。这些服务也可以在线提供。

8. 发明授权

US08588240B2 Methods and systems for accounting in an access gateway 有权
标题翻译：在接入网关中进行计费的方法和系统
公开(公告)号：US08588240B2
公开(公告)日：2013-11-19
申请号：US12575161
申请日：2009-10-07
申请人： Rajesh Ramankutty , Rajesh Velandy , Sanil Kumar Puthiyandyil
发明人： Rajesh Ramankutty , Rajesh Velandy , Sanil Kumar Puthiyandyil
IPC分类号： H04L12/28 , H04L12/56
CPC分类号： H04L43/0876 , H04L12/14 , H04L12/1403 , H04L12/1425 , H04L41/5009 , H04L41/5029 , H04L41/5064 , H04W4/24
摘要： Methods and systems are disclosed that provide accounting in an access gateway of a communication network. Logic can be implemented in an access gateway to provide accounting in an access gateway when the data is tunneled or encapsulated by a protocol when passing through the access gateway. The access gateway can perform inspections on the data to determine what portions of the data are user payload data and be included in a count and what portions of the data can be ignored, such as control packets and overhead information on the packet. The logic can also be deployed in next generation networks, such as long-term evolution, to provide accounting at the access gateway in some situations.
摘要翻译：公开了在通信网络的接入网关中提供计费的方法和系统。逻辑可以在接入网关中实现，以便在通过接入网关通过协议隧道传输或封装数据时，在接入网关中提供计费。访问网关可以对数据执行检查，以确定数据的哪些部分是用户有效载荷数据并被包括在计数中，并且可以忽略数据的哪些部分，诸如分组上的控制分组和开销信息。逻辑也可以部署在下一代网络中，如长期演进，以便在某些情况下在接入网关提供计费。

9. 发明授权

US08582473B2 Providing services to packet flows in a network 有权
标题翻译：为网络中的数据包流提供服务
公开(公告)号：US08582473B2
公开(公告)日：2013-11-12
申请号：US12944594
申请日：2010-11-11
申请人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Matthew H. Harper , Timothy G. Mortsolf
发明人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Matthew H. Harper , Timothy G. Mortsolf
IPC分类号： H04L12/16
CPC分类号： H04L12/66
摘要： A system and method for providing services to packet flows in a communication network. The services include enhanced charging, stateful firewalls, traffic performance optimization (TPO) and advanced services such as content differentiated charging, per-subscriber stateful firewalls, and VPNs, for example. A gateway can be used to route each packet flow through the services on a per-subscriber basis by inspecting accounting messages and checking subscriber profiles prior to setting up a new packet flow session. By directing the packet flow through the services requested latency can be reduced as well as the need to have equipment for each session regardless of whether the service is provided to the packet flow. The services can be provided in-line as well.
摘要翻译：一种用于向通信网络中的分组流提供服务的系统和方法。这些服务包括增强的计费，状态防火墙，流量性能优化（TPO）和高级服务，如内容差异化计费，每用户状态防火墙和VPN。网关可用于通过在建立新的分组流会话之前检查计费消息和检查用户简档来在每个用户的基础上路由每个分组流通过服务。通过指示分组流经过所请求的服务的延迟可以减少，以及需要为每个会话设置设备，而不管服务是否被提供给分组流。这些服务也可以在线提供。

10. 发明授权

US08144684B2 System and method for traffic localization 有权
标题翻译：流量定位的系统和方法
公开(公告)号：US08144684B2
公开(公告)日：2012-03-27
申请号：US13022479
申请日：2011-02-07
申请人： Matthew H. Harper , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Shaji E. Radhakrishnan , Kuntal Chowdhury
发明人： Matthew H. Harper , Sanil Kumar Puthiyandyil , Rajesh Ramankutty , Shaji E. Radhakrishnan , Kuntal Chowdhury
IPC分类号： H04J3/24 , H04L12/28 , H04W4/00 , H04W40/00
CPC分类号： H04W8/082 , H04L67/14 , H04L67/148 , H04W28/06 , H04W40/34 , H04W48/16 , H04W76/12 , H04W80/04
摘要： Systems and methods for bridging packet flows to bypass call legs and/or tunnels are provided. A tunnel initiator, which can be an access gateway, a foreign agent, and a mobility anchor point, for example, provides a bypass for certain packets that have a destination serviced by the same tunnel initiator. The bridge allows the packets to bypass a backhaul loop and reduces latency and frees bandwidth for other purposes in the network. The bridging can be implemented in a tunnel initiator for mobile to mobile packet flows, mobile to land line packet flows, and land line to mobile packet flows. Route optimization can also be provided in certain embodiments.
摘要翻译：提供了将分组流桥接到旁路呼叫支路和/或隧道的系统和方法。例如，可以是接入网关，外部代理和移动性锚点的隧道启动器为具有由相同隧道启动器服务的目的地的某些分组提供旁路。桥接器允许数据包绕过回程循环并减少延迟并释放带宽用于网络中的其他目的。桥接可以在用于移动到移动分组流，移动到陆地分组流和陆地线到移动分组流的隧道发起者中实现。在某些实施例中也可以提供路由优化。

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