公开(公告)号：US07149229B1

公开(公告)日：2006-12-12

申请号：US09227398

申请日：1999-01-08

申请人： Kent K. Leung

发明人： Kent K. Leung

IPC分类号： H04J3/16

CPC分类号： H04M15/00 ,  H04L12/14 ,  H04L12/1403 ,  H04L12/1428 ,  H04L41/0213 ,  H04M15/53 ,  H04M15/8038 ,  H04M15/8214 ,  H04M2215/0172 ,  H04M2215/2013 ,  H04M2215/204 ,  H04M2215/22 ,  H04M2215/34 ,  H04M2215/7442 ,  H04M2215/782 ,  H04W4/24 ,  H04W12/06 ,  H04W80/04

摘要： Methods and apparatus for updating accounting information for a mobile node operating according to Mobile IP Protocol are disclosed. A network device which supports Mobile IP composes a request packet for the mobile node. The request packet identifies the mobile node and includes at least one counter associated with accounting information pertaining to the mobile node. The request packet is then sent to a server adapted for performing accounting. The server then logs the accounting information for the mobile node. The server may then send a reply packet to the network device acknowledging logging of the accounting information pertaining to the mobile node. A bill for Mobile IP services may then be generated from the accounting information.

摘要翻译： 公开了用于更新根据移动IP协议操作的移动节点的会计信息的方法和装置。 支持移动IP的网络设备为移动节点组成请求分组。 所述请求分组标识所述移动节点，并且包括与所述移动节点有关的计费信息相关联的至少一个计数器。 然后将请求分组发送到适于执行计费的服务器。 服务器然后记录移动节点的会计信息。 然后，服务器可以向确认记录关于移动节点的记帐信息的网络设备发送应答分组。 然后可以从会计信息生成移动IP服务的帐单。

公开(公告)号：US07079520B2

公开(公告)日：2006-07-18

申请号：US10034302

申请日：2001-12-28

申请人： Gaetan Feige ,  Rabih A. Dabboussi ,  Kent K. Leung ,  Milind M. Kulkarni

发明人： Gaetan Feige ,  Rabih A. Dabboussi ,  Kent K. Leung ,  Milind M. Kulkarni

IPC分类号： H04Q7/24

CPC分类号： H04L29/12009 ,  H04L29/12509 ,  H04L61/2567 ,  H04W4/18 ,  H04W8/04 ,  H04W8/26 ,  H04W60/00 ,  H04W80/04

摘要： Methods and apparatus for establishing communication between a Mobile Node and a Home Agent are disclosed. The Home Agent receives a registration request packet from the Mobile Node, the registration request packet including an IP source address and a Home Agent address. The Home Agent then detects from the registration request packet when network address translation has been performed. When it has been detected that network address translation has been performed, a tunnel is set up between the Home Agent address and the IP source address.

公开(公告)号：US07042864B1

公开(公告)日：2006-05-09

申请号：US09630055

申请日：2000-08-01

申请人： Kent K. Leung ,  Gopal K. Dommety

发明人： Kent K. Leung ,  Gopal K. Dommety

IPC分类号： H04L12/66

CPC分类号： H04W60/00 ,  H04W8/04 ,  H04W8/26 ,  H04W80/04

摘要： Methods and apparatus for enabling a Mobile Node supporting mobile IP to roam without an assigned IP address and receive lookups indicating that a Corresponding Node wants to send information to the Mobile Node are disclosed. A name lookup may be sent from a Corresponding Node to a Home Agent that has previously registered the Mobile Node. The name lookup may be sent through an intermediate device, including a Domain Name Server, such that the intermediate device contacts the Home Agent. During the name lookup process, an IP address is allocated to the Mobile Node and a data path is established between the Home Agent and the Mobile Node via a Foreign Agent. When the lookup is completed successfully, the Home Agent sends the IP address allocated to the Mobile Node in the name lookup process to the device requesting the lookup. The IP address of the Mobile Node may then be used by the Corresponding Node to “push” information to the Mobile Node.

公开(公告)号：US06765892B1

公开(公告)日：2004-07-20

申请号：US09603808

申请日：2000-06-26

申请人： Kent K. Leung ,  Gopal K. Dommety

发明人： Kent K. Leung ,  Gopal K. Dommety

IPC分类号： H04Q700

CPC分类号： H04W8/02 ,  H04L12/185 ,  H04L12/189 ,  H04W8/12 ,  H04W8/26 ,  H04W80/04

摘要： Methods and apparatus for optimizing IP multicast data transmission in a mobile IP environment include a Foreign Agent that is capable of receiving an information request associated with a host membership report sent from a mobile node and for providing information identifying a Home Agent associated with the mobile node to a multicast router process to enable the multicast router process to send a join host group message to the Home Agent. A Home Agent receives the join host group message and sends the join host group message toward a source of IP multicast data packets. Both the Foreign Agent and the Home Agent set up a data path between the Home Agent and the Foreign Agent, thereby enabling data packets addressed to the multicast group address to be forwarded by the Home Agent to the Foreign Agent. The Home Agent does not replicate multicast IP data packets addressed to the multicast group address prior to being forwarded by the Home Agent to the Foreign Agent. Rather, the multicast router process is responsible for replication and transmission of multicast IP data packets to one or more network segments associated with the Foreign Agent.

摘要翻译： 用于在移动IP环境中优化IP多播数据传输的方法和装置包括能够接收与从移动节点发送的主机成员资格相关联的信息请求并且用于提供标识与移动节点相关联的归属代理的信息的外部代理 到组播路由器进程以使得组播路由器进程向归属代理发送连接主机组消息。 归属代理接收加入主机组消息，并将连接主机组消息发送到IP组播数据包的源。 外部代理和归属代理都在归属代理和外部代理之间建立数据路径，从而使寻址到多播组地址的数据包由归属代理转发给外地代理。 在由归属代理转发给外部代理之前，归属代理不复制寻址到多播组地址的多播IP数据包。 相反，组播路由器进程负责复制和传输组播IP数据包到与外地代理相关的一个或多个网段。

公开(公告)号：US06760444B1

公开(公告)日：2004-07-06

申请号：US09227399

申请日：1999-01-08

申请人： Kent K. Leung

发明人： Kent K. Leung

IPC分类号： H04K100

CPC分类号： H04L63/08

摘要： Methods and apparatus for authenticating a mobile node are disclosed. A server is configured to provide a plurality of security associations associated with a plurality of mobile nodes. A packet identifying a mobile node may then be sent to the server from a network device such as a Home Agent. A security association for the mobile node identified in the packet may then be obtained from the server. The security association may be sent to the network device to permit authentication of the mobile node. Alternatively, authentication of the mobile node may be performed at the server by applying the security association.

摘要翻译： 公开了用于认证移动节点的方法和装置。 服务器被配置为提供与多个移动节点相关联的多个安全关联。 然后可以从诸如归属代理的网络设备将标识移动节点的分组发送到服务器。 然后可以从服务器获得在分组中标识的移动节点的安全关联。 可以将安全关联发送到网络设备以允许移动节点的认证。 或者，可以通过应用安全关联在服务器处执行移动节点的认证。

公开(公告)号：US20140056290A1

公开(公告)日：2014-02-27

申请号：US13591343

申请日：2012-08-22

申请人： Rajesh S. Pazhyannur ,  Kent K. Leung ,  Sri Gundavelli ,  Sudhir Kumar Jain

发明人： Rajesh S. Pazhyannur ,  Kent K. Leung ,  Sri Gundavelli ,  Sudhir Kumar Jain

IPC分类号： H04W40/02

CPC分类号： H04W4/00 ,  H04L12/4625 ,  H04L12/4641 ,  H04W80/045

摘要： Multi-operator networking techniques are provided for allowing two or more operators to share a wireless local area network (WLAN). In particular, mobile access gateway functionality is integrated in a wireless network controller of a WLAN that is accessible to first and second operators. Operator-specific tunnels are created through the network for each of the first and second operators that link a core network of each of the first and second operators with an associated client device. Packets are then forwarded between the core networks of the first and second operators and their associated client devices via the operator-specific tunnels.

摘要翻译： 提供多运营商网络技术，用于允许两个或多个运营商共享无线局域网（WLAN）。 具体地，移动接入网关功能被集成在WLAN的无线网络控制器中，其可由第一和第二运营商访问。 运营商特有的隧道是通过网络为第一和第二运营商的每个运营商创建的，这些运营商将第一和第二运营商中的每一个的核心网络与相关联的客户端设备相链接。 然后，分组将通过运营商特定的隧道在第一和第二运营商的核心网络及其相关联的客户端设备之间转发。

公开(公告)号：US20130142182A1

公开(公告)日：2013-06-06

申请号：US13312157

申请日：2011-12-06

申请人： Srinath Gundavelli ,  Rajesh Pazhyannur ,  Kent K. Leung

发明人： Srinath Gundavelli ,  Rajesh Pazhyannur ,  Kent K. Leung

IPC分类号： H04W92/00

CPC分类号： H04W8/02 ,  H04W60/005

摘要： Systems and methods for providing identity management and mobility management are disclosed. The management scheme provides mobility in multi-device and multi-homed deployments. A collection of three identities, a device identity, a link layer identity, and a user identity, can be used to provide mobility for a number of devices under different use scenarios. In one embodiment, a method is disclosed for receiving messages from a mobile device at a mobility gateway, the messages including identifiers such as a user identifier, a link layer identifier, and a device identifier where identifiers are stored or retained at the mobility gateway. When a subsequent network attach request is received including one or more identifiers, a reconnection can occur, based on a result of comparing the stored identifiers with the received one or more identifiers.

摘要翻译： 公开了用于提供身份管理和移动性管理的系统和方法。 管理方案提供多设备和多宿主部署中的移动性。 可以使用三个身份的集合，设备身份，链路层身份和用户身份来为不同使用场景下的多个设备提供移动性。 在一个实施例中，公开了一种用于在移动性网关处从移动设备接收消息的方法，所述消息包括诸如用户标识符，链路层标识符和在移动性网关处存储或保留标识符的设备标识符的标识符。 当接收到包括一个或多个标识符的后续网络附着请求时，可以基于将所存储的标识符与所接收的一个或多个标识符进行比较的结果来进行重新连接。

公开(公告)号：US08358635B2

公开(公告)日：2013-01-22

申请号：US11440144

申请日：2006-05-23

申请人： Gaetan Feige ,  Rabih A. Dabboussi ,  Kent K. Leung ,  Milind M. Kulkarni

发明人： Gaetan Feige ,  Rabih A. Dabboussi ,  Kent K. Leung ,  Milind M. Kulkarni

IPC分类号： H04W4/00

CPC分类号： H04L29/12009 ,  H04L29/12509 ,  H04L61/2567 ,  H04W4/18 ,  H04W8/04 ,  H04W8/26 ,  H04W60/00 ,  H04W80/04

摘要： Methods and apparatus for establishing communication between a Mobile Node and a Home Agent are disclosed. The Home Agent receives a registration request packet from the Mobile Node, the registration request packet including an IP source address and a Home Agent address. The Home Agent then detects from the registration request packet when network address translation has been performed. When it has been detected that network address translation has been performed, a tunnel is set up between the Home Agent address and the IP source address.

公开(公告)号：US08059661B2

公开(公告)日：2011-11-15

申请号：US11027466

申请日：2004-12-29

申请人： Alpesh Patel ,  Kent K. Leung

发明人： Alpesh Patel ,  Kent K. Leung

IPC分类号： H04L12/28

CPC分类号： H04L29/12301 ,  H04L29/12264 ,  H04L29/12311 ,  H04L29/12933 ,  H04L61/2015 ,  H04L61/2046 ,  H04L61/2061 ,  H04L61/2076 ,  H04L61/2084 ,  H04L61/6068 ,  H04W8/04 ,  H04W8/26 ,  H04W80/04

摘要： Methods and apparatus for supporting the management of mobility and addresses by a Customer Premises Edge (CPE) router in a Mobile IP environment are disclosed. When a network prefix is allocated by a DHCP router to the CPE router, the CPE router divides the network prefix among its interfaces, and allocates home addresses to Mobile Nodes connected to its interfaces, as appropriate. The CPE router also assists in performing Duplicate Address Detection (DAD) to ensure that a home address that has been allocated has not already been assigned to another node. Upon completion of registration of a Mobile Node that is connected to one of the interfaces of the CPE router with its Home Agent, the CPE router assists in routing traffic to the Mobile Node. In addition, the CPE router assists in notifying nodes when one of the Mobile Nodes has moved, as well as when one of the Mobile Nodes has de-registered with the Home Agent.

摘要翻译： 公开了用于支持移动IP环境中的客户驻地边缘（CPE）路由器的移动性和地址管理的方法和装置。 当网络前缀由DHCP路由器分配给CPE路由器时，CPE路由器会在其接口之间划分网络前缀，并根据需要为连接到其接口的移动节点分配归属地址。 CPE路由器还协助执行重复地址检测（DAD），以确保已分配的归属地址尚未分配给另一个节点。 在完成与其家乡代理连接到CPE路由器的一个接口的移动节点的注册时，CPE路由器协助将流量路由到移动节点。 此外，CPE路由器协助当移动节点之一移动时通知节点，以及何时其中一个移动节点已退出归属代理。

公开(公告)号：US07505432B2

公开(公告)日：2009-03-17

申请号：US10426106

申请日：2003-04-28

申请人： Kent K. Leung ,  Gopal Dommety

发明人： Kent K. Leung ,  Gopal Dommety

IPC分类号： H04Q7/00 ,  H04Q7/24

CPC分类号： H04L29/12311 ,  H04L29/12839 ,  H04L61/2084 ,  H04L61/6022 ,  H04L63/0281 ,  H04L63/1466 ,  H04L69/329 ,  H04W8/26 ,  H04W12/06 ,  H04W12/12 ,  H04W60/00 ,  H04W80/04 ,  H04W88/08 ,  H04W88/182

摘要： An invention is disclosed that enables proxy Mobile IP registration to be performed in a secure manner. Various security mechanisms may be used independently, or in combination with one another, to authenticate the identity of a node during the registration process. First, an Access Point receiving a packet from a node verifies that the source MAC address identified in the packet is in the Access Point's client association table. In addition, as a second mechanism, the Access Point (or Foreign Agent) ensures that a one-to-one mapping exists for the source MAC address and source IP address identified in the packet. As a third mechanism, a binding is not modified in the mobility binding table maintained by the Home Agent unless there is a one-to-one mapping in the mobility binding table between the source MAC address and the source IP address.

摘要翻译： 公开了能够以安全的方式执行代理移动IP注册的发明。 各种安全机制可以独立地或彼此组合地使用以在注册过程期间认证节点的身份。 首先，从节点接收分组的接入点验证分组中标识的源MAC地址在接入点的客户端关联表中。 另外，作为第二种机制，接入点（或外部代理）可以确保在分组中标识的源MAC地址和源IP地址存在一对一映射。 作为第三种机制，在归属代理维护的移动性绑定表中，绑定不会被修改，除非在源MAC地址和源IP地址之间的迁移绑定表中存在一对一的映射。