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21. 发明授权

US06763018B1 Distributed protocol processing and packet forwarding using tunneling protocols 有权
标题翻译：分布式协议处理和使用隧道协议的数据包转发
公开(公告)号：US06763018B1
公开(公告)日：2004-07-13
申请号：US09728282
申请日：2000-11-30
申请人： Sanil Kumar Puthiyandyil , Matthew H. Harper , Ching Kung , Shaji Radhakrishnan , Rajesh Ramankutty
发明人： Sanil Kumar Puthiyandyil , Matthew H. Harper , Ching Kung , Shaji Radhakrishnan , Rajesh Ramankutty
IPC分类号： H04L1266
CPC分类号： H04L69/16 , H04L69/168 , H04L2212/00
摘要： A high density network access server implements a tunneling protocol between a modem module and a route server module. PPP and routing control packets received from the PPP link are tunneled to the route server for processing. The IP data packet forwarding function for the network access server is distributed directly to the modem modules. The combination of distributed PPP processing and distributed IP data packet forwarding enables the capacity of the network access server to be scaled to orders of magnitude greater than previously known, to handle thousands or even tens of thousands of simultaneous data sessions.
摘要翻译：高密度网络接入服务器在调制解调器模块和路由服务器模块之间实现隧道协议。从PPP链路接收的PPP和路由控制分组被隧道传送到路由服务器进行处理。网络接入服务器的IP数据包转发功能直接分配到调制解调器模块。分布式PPP处理和分布式IP数据包转发的组合使得网络访问服务器的容量可以被缩放到比先前知道的数量级大，以处理数千甚至数万个同时的数据会话。

22. 发明授权

US08559392B2 Inter-technology handovers for wireless networks 有权
标题翻译：无线网络的技术间切换
公开(公告)号：US08559392B2
公开(公告)日：2013-10-15
申请号：US12847699
申请日：2010-07-30
申请人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil
发明人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil
IPC分类号： H04W4/00
CPC分类号： H04W36/0033 , H04W36/0038 , H04W36/14
摘要： Systems and methods for improved inter-technology handovers between wireless networks are disclosed, in which a source radio access network operates on a first technology and a target radio access network operates on a second technology, and both radio access networks are managed at a single packet serving gateway. A foreign agent receives a mobile subscriber identifier during a handover of a mobile device from the source radio access network to the target radio access network and sends the mobile subscriber identifier to the packet serving gateway, and the packet serving gateway locates at least one process instance running on the packet serving gateway that is routing existing packet flows to the mobile device based on the mobile subscriber identifier. The packet serving gateway then transfers control of the at least one process to a control process.
摘要翻译：公开了用于改进无线网络之间的技术间切换的系统和方法，其中源无线电接入网络在第一技术上操作，并且目标无线电接入网络在第二技术上操作，并且两个无线接入网络以单个分组服务网关。在移动设备从源无线电接入网络切换到目标无线接入网络期间，外地代理接收移动用户标识符，并将移动用户标识符发送到分组服务网关，分组服务网关定位至少一个进程实例在基于移动用户标识符将现有分组流路由到移动设备的分组服务网关上运行。然后，分组服务网关将至少一个进程的控制转移到控制过程。

23. 发明授权

US08363664B2 Combined gateway for network communications 有权
标题翻译：用于网络通信的组合网关
公开(公告)号：US08363664B2
公开(公告)日：2013-01-29
申请号：US12543298
申请日：2009-08-18
申请人： Rajesh Ramankutty , Rajesh Velandy , Sanil Kumar Puthiyandyil
发明人： Rajesh Ramankutty , Rajesh Velandy , Sanil Kumar Puthiyandyil
IPC分类号： H04W4/00 , H04L12/28 , H04L12/56 , H04L12/64
CPC分类号： H04W88/16 , H04W76/12
摘要： The functionalities of one or more of a mobility management entity (MME), serving gateway (SGW), and packet data network gateway (PGW) can be provided in a single device on the network. In the access gateway different functional elements are implemented as services and they can be configured on the same device. For example, the SGW and PGW can be configured on the same device. When user equipment UE connects from a home network, it is possible for the MME to choose the same SGW and PGW. This combined SGW and PGW can implement a single session for the UE, thereby capable of providing a savings in resources, allowing additional capacity, and allowing reduced latency and increased throughput because fewer hops are made on the network. This session acts as a SGW on the ingress side and a PGW on the egress side of the access gateway.
摘要翻译：可以在网络上的单个设备中提供移动性管理实体（MME），服务网关（SGW）和分组数据网络网关（PGW）中的一个或多个的功能。在接入网关中，不同的功能单元实现为业务，可以在同一设备上进行配置。例如，可以在同一设备上配置SGW和PGW。当用户设备UE从家庭网络连接时，MME可以选择相同的SGW和PGW。这种组合的SGW和PGW可以为UE实现单个会话，从而能够节省资源，允许额外的容量，并且允许减少延迟并增加吞吐量，因为在网络上进行的跳数较少。该会话作为入口侧的SGW和接入网关的出口侧的PGW。

24. 发明授权

US08238877B2 Access technology independent identifier generation 有权
标题翻译：访问技术独立标识符生成
公开(公告)号：US08238877B2
公开(公告)日：2012-08-07
申请号：US12541385
申请日：2009-08-14
申请人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Rajesh Velandy
发明人： Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Rajesh Velandy
IPC分类号： H04M1/66 , H04W4/00 , H04Q7/00
CPC分类号： H04W8/26 , H04W80/04 , H04W88/005
摘要： A network system for communicating with mobile nodes has multiple gateways that can operate with each using a different access technology. In an IPv6 system, the access gateways each provide an interface identifier to the mobile nodes using the same one or more keys and hash so that different the same interface identifier regardless of the access technology used. The access gateways can have multiple options for using keys and/or hashes to provide an interface identifier such that the method for determining the interface identifier is configurable.
摘要翻译：用于与移动节点通信的网络系统具有多个网关，每个网关可以使用不同的接入技术进行操作。在IPv6系统中，接入网关每个使用相同的一个或多个密钥和散列向移动节点提供接口标识符，使得不同的接口标识符与所使用的接入技术无关。访问网关可以具有使用密钥和/或散列的多个选项来提供接口标识符，使得用于确定接口标识符的方法是可配置的。

25. 发明授权

US08018847B2 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：US08018847B2
公开(公告)日：2011-09-13
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： H04L12/26 , H04L12/28 , H04W4/00
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。

26. 发明授权

US07855982B2 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：US07855982B2
公开(公告)日：2010-12-21
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： H04L12/16
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。

27. 发明申请

US20080205342A1 SYSTEM AND METHOD FOR HANDOFFS BETWEEN TECHNOLOGIES 有权
标题翻译：技术之间的手段的系统和方法
公开(公告)号：US20080205342A1
公开(公告)日：2008-08-28
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： H04Q7/00
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。

28. 发明授权

US06996110B1 Distributed MPLS architecture 有权
标题翻译：分布式MPLS架构
公开(公告)号：US06996110B1
公开(公告)日：2006-02-07
申请号：US09943971
申请日：2001-08-31
申请人： Satish Amara , Shaji Radhakrishnan , Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Boby Joseph
发明人： Satish Amara , Shaji Radhakrishnan , Rajesh Ramankutty , Sanil Kumar Puthiyandyil , Boby Joseph
IPC分类号： H04L12/66 , H04L12/54 , H04L12/28
CPC分类号： H04L12/4633 , H04L45/50
摘要： A system and method for processing packets of information includes an ingress module. The ingress module receives a plurality of packets of information from a first network. The ingress module determines the type of each of the plurality of packets. A route server module is coupled to the ingress module. The route server module sends a distributed processing request to the ingress module. The ingress module receives the distributed processing request and, responsively, performs a first set of processing operations on selected ones of the plurality of packets. The selected ones of the plurality of packets are of a first type. The ingress module forwards others of the plurality of packets of information to the route server module. Each of the others of the plurality of packets are of a type distinct from the first type. The route server module receives the others of the plurality of packets of information and performs a second set of processing operations on the others of the plurality of packets of information.
摘要翻译：用于处理信息包的系统和方法包括入口模块。入口模块从第一网络接收多个信息分组。入口模块确定多个分组中的每一个的类型。路由服务器模块耦合到入口模块。路由服务器模块向入口模块发送分布式处理请求。入口模块接收分布式处理请求，并且响应地对多个分组中的选定的分组执行第一组处理操作。多个分组中的选定的分组是第一类型的。入口模块将多个信息分组中的其他数据转发到路由服务器模块。多个分组中的其他分组中的每一个都是与第一类型不同的类型。路由服务器模块接收多个信息分组中的其他信息，并对多个信息分组中的其他分组执行第二组处理操作。

29. 发明授权

US08924527B2 Provisioning available network resources 有权
标题翻译：配置可用的网络资源
公开(公告)号：US08924527B2
公开(公告)日：2014-12-30
申请号：US12717730
申请日：2010-03-04
申请人： Rajesh Ramankutty , Kuntal Chowdhury , Andrew Gibbs
发明人： Rajesh Ramankutty , Kuntal Chowdhury , Andrew Gibbs
IPC分类号： G06F15/173
CPC分类号： H04L47/70 , G06F15/173 , H04L61/1511 , H04L67/288 , H04W76/10
摘要： Systems and methods are provided that allow network resources to be shared across geographical distances. This can be achieved by changing the resources available for establishing and handling call or data session processing in an area. A mobility management device can alone or in combination with a DNS server change the size or the resource pool available in some embodiments. The change in resources can be dynamic according to certain predefined conditions or can be setup beforehand to account for daily demand. This sharing of resources can allow more efficient usage of resources available across a geographic region, rather than needed to over-provision each region to account for peak demands.
摘要翻译：提供了允许跨地理距离共享网络资源的系统和方法。这可以通过改变可用于在区域中建立和处理呼叫或数据会话处理的资源来实现。移动性管理设备可以单独地或与DNS服务器组合改变在一些实施例中可用的大小或资源池。根据某些预定义的条件，资源的变化可以是动态的，或者可以预先设置以满足日常需求。这种资源共享可以更有效地利用地理区域可用的资源，而不是过度分配每个区域以满足高峰需求。

30. 发明申请

US20100281151A1 PROVISIONING AVAILABLE NETWORK RESOURCES 有权
标题翻译：提供可用的网络资源
公开(公告)号：US20100281151A1
公开(公告)日：2010-11-04
申请号：US12717730
申请日：2010-03-04
申请人： Rajesh Ramankutty , Kuntal Chowdhury , Andrew Gibbs
发明人： Rajesh Ramankutty , Kuntal Chowdhury , Andrew Gibbs
IPC分类号： G06F15/173
CPC分类号： H04L47/70 , G06F15/173 , H04L61/1511 , H04L67/288 , H04W76/10
摘要： Systems and methods are provided that allow network resources to be shared across geographical distances. This can be achieved by changing the resources available for establishing and handling call or data session processing in an area. A mobility management device can alone or in combination with a DNS server change the size or the resource pool available in some embodiments. The change in resources can be dynamic according to certain predefined conditions or can be setup beforehand to account for daily demand. This sharing of resources can allow more efficient usage of resources available across a geographic region, rather than needed to over-provision each region to account for peak demands.
摘要翻译：提供了允许跨地理距离共享网络资源的系统和方法。这可以通过改变可用于在区域中建立和处理呼叫或数据会话处理的资源来实现。移动性管理设备可以单独地或与DNS服务器组合改变在一些实施例中可用的大小或资源池。根据某些预定义的条件，资源的变化可以是动态的，或者可以预先设置以满足日常需求。这种资源共享可以更有效地利用地理区域可用的资源，而不是过度提供每个区域以满足高峰需求。

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