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1. 发明授权

US08358635B2 Methods and apparatus for implementing NAT traversal in mobile IP 有权
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.

2. 发明申请

US20110013553A1 MOBILE NETWORK DEVICE MULTI-LINK OPTIMIZATIONS 有权
标题翻译：移动网络设备多链路优化
公开(公告)号：US20110013553A1
公开(公告)日：2011-01-20
申请号：US12891507
申请日：2010-09-27
申请人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
发明人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
IPC分类号： H04J3/08
CPC分类号： H04L69/16 , H04L69/163 , H04W80/04 , H04W80/06
摘要： Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile IPv6 environment) are disclosed. During the registration process, link characteristics are transmitted in the registration request. From the link characteristics, it is possible to determine whether the mobile network device has roamed from a high to a low bandwidth link, or vice versa. A first set of optimizations may be performed when the mobile network device has roamed from a high to a low bandwidth link, while a second set of optimizations may be performed when the mobile network device has roamed from a low to a high bandwidth link. Some optimizations may be performed during the establishment of a TCP session, while others may be performed during or upon completion of the Mobile IP registration process.
摘要翻译：公开了用于对支持到归属代理（或移动IPv6环境中的通信节点）的多个链路的移动网络设备（例如移动节点或移动路由器）进行优化的方法和装置。在注册过程中，链接特征在注册请求中传送。从链路特性来看，可以确定移动网络设备是否从高带宽链路漫游到低带宽链路，反之亦然。当移动网络设备已经从高到低带宽链路漫游时，可以执行第一组优化，而当移动网络设备从低带宽链路漫游到高带宽链路时，可以执行第二组优化。可以在建立TCP会话期间执行一些优化，而可以在移动IP注册过程的完成期间或之后执行其他优化。

3. 发明授权

US07684794B1 Managing endpoint addresses separately from managing endpoint mobility 有权
标题翻译：管理端点地址与管理端点移动性分开管理
公开(公告)号：US07684794B1
公开(公告)日：2010-03-23
申请号：US11173060
申请日：2005-07-01
申请人： Kent K. Leung , Milind M. Kulkarni , Jayaraman R. Iyer
发明人： Kent K. Leung , Milind M. Kulkarni , Jayaraman R. Iyer
IPC分类号： H04W4/00
CPC分类号： H04W4/20
摘要： Performing management operations for a mobile node present in a foreign network includes performing an address management operation and a mobility management operation. The address management operation includes receiving an address request message at a home address server of a home network of the mobile node, assigning a fixed home address to the mobile node, and sending an address acknowledgment message communicating the fixed home address. The mobility management operation includes receiving a registration request message requesting registration for the mobile node, and registering the mobile node in response to the registration request message.
摘要翻译：对外部网络中存在的移动节点执行管理操作包括执行地址管理操作和移动性管理操作。地址管理操作包括在移动节点的归属网络的归属地址服务器处接收地址请求消息，向移动节点分配固定的归属地址，以及发送传送固定归属地址的地址确认消息。移动性管理操作包括接收针对移动节点请求注册的注册请求消息，以及响应于注册请求消息注册移动节点。

4. 发明授权

US08090828B2 Method and apparatus for reusing DHCP addresses in home addresses of mobile IP clients 有权
标题翻译：在移动IP客户端的家庭地址中重用DHCP地址的方法和装置
公开(公告)号：US08090828B2
公开(公告)日：2012-01-03
申请号：US10241969
申请日：2002-09-11
申请人： Kent K. Leung , Milind M. Kulkarni , Alpesh Patel
发明人： Kent K. Leung , Milind M. Kulkarni , Alpesh Patel
IPC分类号： G06F15/16
CPC分类号： H04W8/04 , H04L29/12273 , H04L61/2015 , H04L61/2053 , H04W8/26 , H04W60/00 , H04W80/04 , H04W88/18
摘要： Methods and apparatuses for conserving addresses. The invention allows a mobile node to manage its own address, shifting responsibility away from the home agent. The home agent is able to detect when a mobile node has already been assigned an address for use of resources on the network. When the home agent recognizes that the mobile address has already been assigned an address, it allows the mobile node to use its already-assigned address in connection with mobile IP services. Additionally, the mobile node can be notified that it is now responsible for renewing the address.
摘要翻译：保存地址的方法和装置。本发明允许移动节点管理其自己的地址，使责任远离归属代理。归属代理能够检测何时移动节点已经被分配了用于在网络上使用资源的地址。当归属代理识别到移动地址已被分配地址时，它允许移动节点使用其已经分配的与移动IP服务有关的地址。另外，可以通知移动节点现在负责更新地址。

5. 发明授权

US07599370B1 Methods and apparatus for optimizing NAT traversal in Mobile IP 有权
标题翻译：用于优化移动IP中NAT穿越的方法和装置
公开(公告)号：US07599370B1
公开(公告)日：2009-10-06
申请号：US10420402
申请日：2003-04-17
申请人： Kent K. Leung , Alpesh Patel , Milind M. Kulkarni , Madhavi W. Chandra
发明人： Kent K. Leung , Alpesh Patel , Milind M. Kulkarni , Madhavi W. Chandra
IPC分类号： H04L12/56
CPC分类号： H04L29/12471 , H04L61/2553 , H04W60/00 , H04W80/04
摘要： Methods and apparatus for optimizing NAT traversal in Mobile IP are disclosed. Various mechanisms may performed independently or in combination with one another. A first mechanism enables one-way keep alive messaging to the Home Agent, while a second mechanism enables two-way keep alive messaging to the Home Agent, thereby enabling an entry in a NAT translation table to be maintained. The two-way keep alive messaging requires that the Home Agent send an acknowledgement message, while the one-way keep alive messaging does not. Keep alive messaging may be performed at the Mobile Node or the Foreign Agent. A third mechanism enables a Foreign Agent to encapsulate a registration request packet with the Foreign Agent care-of address in the source IP address field rather than an egress interface of the Foreign Agent. A fourth mechanism enables a Mobile Node to force a Home Agent to perform UDP tunneling.
摘要翻译：公开了用于优化移动IP中NAT穿越的方法和装置。各种机制可以独立地或彼此组合地执行。第一种机制使得能够向归属代理单向保持活动消息传递，而第二种机制允许向归属代理双向保持活动消息传递，从而使NAT转换表中的条目得以维护。双向保持活着消息传递要求家庭代理发送确认消息，而单向保持活动消息传递不需要。可以在移动节点或外部代理处执行活动消息传递。第三种机制使外部代理能够在源IP地址字段而不是外部代理的出口接口封装具有外部代理转交地址的注册请求分组。第四种机制使移动节点能够强制归属代理执行UDP隧道。

6. 发明授权

US08170552B2 Mobile network device multi-link optimizations 有权
标题翻译：移动网络设备多链路优化
公开(公告)号：US08170552B2
公开(公告)日：2012-05-01
申请号：US12891507
申请日：2010-09-27
申请人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
发明人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
IPC分类号： H04W4/00
CPC分类号： H04L69/16 , H04L69/163 , H04W80/04 , H04W80/06
摘要： Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile IPv6 environment) are disclosed. During the registration process, link characteristics are transmitted in the registration request. From the link characteristics, it is possible to determine whether the mobile network device has roamed from a high to a low bandwidth link, or vice versa. A first set of optimizations may be performed when the mobile network device has roamed from a high to a low bandwidth link, while a second set of optimizations may be performed when the mobile network device has roamed from a low to a high bandwidth link. Some optimizations may be performed during the establishment of a TCP session, while others may be performed during or upon completion of the Mobile IP registration process.
摘要翻译：公开了用于对支持到归属代理（或移动IPv6环境中的通信节点）的多个链路的移动网络设备（例如移动节点或移动路由器）进行优化的方法和装置。在注册过程中，链接特征在注册请求中传送。从链路特性来看，可以确定移动网络设备是否从高带宽链路漫游到低带宽链路，反之亦然。当移动网络设备已经从高到低带宽链路漫游时，可以执行第一组优化，而当移动网络设备从低带宽链路漫游到高带宽链路时，可以执行第二组优化。可以在建立TCP会话期间执行一些优化，而可以在移动IP注册过程的完成期间或之后执行其他优化。

7. 发明授权

US07461169B2 DHCP based home address management of mobile IP clients 有权
标题翻译：基于DHCP的移动IP客户端的家庭地址管理
公开(公告)号：US07461169B2
公开(公告)日：2008-12-02
申请号：US10300437
申请日：2002-11-19
申请人： Madhavi Wunnava Chandra , Milind M. Kulkarni , Kent K. Leung , Alpesh Patel
发明人： Madhavi Wunnava Chandra , Milind M. Kulkarni , Kent K. Leung , Alpesh Patel
IPC分类号： G06F15/16 , H04L12/66 , H04Q7/20
CPC分类号： H04W8/04 , H04L29/12273 , H04L61/2015 , H04L61/2053 , H04W8/26 , H04W60/00 , H04W80/04 , H04W88/18
摘要： Methods and apparatuses for allowing mobile nodes to have access to mobility functions after being attached to their home networks are disclosed. The invention allows a home agent to authenticate a registration request and validate a DHCP-acquired home address even if no mobile bindings currently exist. Typically, a home agent will not create mobility bindings if a mobile node attaches itself to a home agent network segment. By using either cached information or DHCP resources, the home agent can approve a registration request.
摘要翻译：公开了允许移动节点在附接到其家庭网络之后访问移动性功能的方法和装置。本发明允许归属代理认证注册请求并验证DHCP获取的归属地址，即使当前没有移动绑定。通常，如果移动节点将自身附加到归属代理网络段，则归属代理将不会创建移动性绑定。通过使用缓存信息或DHCP资源，归属代理可以批准注册请求。

8. 发明授权

US07818004B2 Mobile network device multi-link optimizations 有权
标题翻译：移动网络设备多链路优化
公开(公告)号：US07818004B2
公开(公告)日：2010-10-19
申请号：US12628052
申请日：2009-11-30
申请人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
发明人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
IPC分类号： H04W4/00
CPC分类号： H04L69/16 , H04L69/163 , H04W80/04 , H04W80/06
摘要： Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile IPv6 environment) are disclosed. During the registration process, link characteristics are transmitted in the registration request. From the link characteristics, it is possible to determine whether the mobile network device has roamed from a high to a low bandwidth link, or vice versa. A first set of optimizations may be performed when the mobile network device has roamed from a high to a low bandwidth link, while a second set of optimizations may be performed when the mobile network device has roamed from a low to a high bandwidth link. Some optimizations may be performed during the establishment of a TCP session, while others may be performed during or upon completion of the Mobile IP registration process.
摘要翻译：公开了用于对支持到归属代理（或移动IPv6环境中的通信节点）的多个链路的移动网络设备（例如移动节点或移动路由器）进行优化的方法和装置。在注册过程中，链接特征在注册请求中传送。从链路特性来看，可以确定移动网络设备是否从高带宽链路漫游到低带宽链路，反之亦然。当移动网络设备已经从高到低带宽链路漫游时，可以执行第一组优化，而当移动网络设备从低带宽链路漫游到高带宽链路时，可以执行第二组优化。可以在建立TCP会话期间执行一些优化，而可以在移动IP注册过程的完成期间或之后执行其他优化。

9. 发明申请

US20100074185A1 MOBILE NETWORK DEVICE MULTI-LINK OPTIMIZATIONS 有权
标题翻译：移动网络设备多链路优化
公开(公告)号：US20100074185A1
公开(公告)日：2010-03-25
申请号：US12628052
申请日：2009-11-30
申请人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
发明人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
IPC分类号： H04W4/00
CPC分类号： H04L69/16 , H04L69/163 , H04W80/04 , H04W80/06
摘要： Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile IPv6 environment) are disclosed. During the registration process, link characteristics are transmitted in the registration request. From the link characteristics, it is possible to determine whether the mobile network device has roamed from a high to a low bandwidth link, or vice versa. A first set of optimizations may be performed when the mobile network device has roamed from a high to a low bandwidth link, while a second set of optimizations may be performed when the mobile network device has roamed from a low to a high bandwidth link. Some optimizations may be performed during the establishment of a TCP session, while others may be performed during or upon completion of the Mobile IP registration process.
摘要翻译：公开了用于对支持到归属代理（或移动IPv6环境中的通信节点）的多个链路的移动网络设备（例如移动节点或移动路由器）进行优化的方法和装置。在注册过程中，链接特征在注册请求中传送。从链路特性来看，可以确定移动网络设备是否从高带宽链路漫游到低带宽链路，反之亦然。当移动网络设备已经从高到低带宽链路漫游时，可以执行第一组优化，而当移动网络设备从低带宽链路漫游到高带宽链路时，可以执行第二组优化。可以在建立TCP会话期间执行一些优化，而可以在移动IP注册过程的完成期间或之后执行其他优化。

10. 发明授权

US07633917B2 Mobile network device multi-link optimizations 有权
标题翻译：移动网络设备多链路优化
公开(公告)号：US07633917B2
公开(公告)日：2009-12-15
申请号：US11372598
申请日：2006-03-10
申请人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
发明人： Alpesh S. Patel , Gopal K. Dommety , Milind M. Kulkarni
IPC分类号： H04W4/00
CPC分类号： H04L69/16 , H04L69/163 , H04W80/04 , H04W80/06
摘要： Methods and apparatus for performing optimizations for a mobile network device such as a Mobile Node or Mobile Router supporting multiple links to a Home Agent (or Correspondent Node in a Mobile IPv6 environment) are disclosed. During the registration process, link characteristics are transmitted in the registration request. From the link characteristics, it is possible to determine whether the mobile network device has roamed from a high to a low bandwidth link, or vice versa. A first set of optimizations may be performed when the mobile network device has roamed from a high to a low bandwidth link, while a second set of optimizations may be performed when the mobile network device has roamed from a low to a high bandwidth link. Some optimizations may be performed during the establishment of a TCP session, while others may be performed during or upon completion of the Mobile IP registration process.
摘要翻译：公开了用于对支持到归属代理（或移动IPv6环境中的通信节点）的多个链路的移动网络设备（例如移动节点或移动路由器）进行优化的方法和装置。在注册过程中，链接特征在注册请求中传送。从链路特性来看，可以确定移动网络设备是否从高带宽链路漫游到低带宽链路，反之亦然。当移动网络设备已经从高到低带宽链路漫游时，可以执行第一组优化，而当移动网络设备从低带宽链路漫游到高带宽链路时，可以执行第二组优化。可以在建立TCP会话期间执行一些优化，而可以在移动IP注册过程的完成期间或之后执行其他优化。

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