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1. 发明申请

US20140056122A1 PROCEDURES, APPARATUSES, SYSTEMS, AND COMPUTER-READABLE MEDIA FOR OPERATING PRIMARY AND BACKUP NETWORK ELEMENTS 有权
标题翻译：程序，设备，系统和用于操作主备和网络元件的计算机可读介质
公开(公告)号：US20140056122A1
公开(公告)日：2014-02-27
申请号：US13594156
申请日：2012-08-24
申请人： Pawan K. Singal , Sasha Cirkovic , Chirayu Shah
发明人： Pawan K. Singal , Sasha Cirkovic , Chirayu Shah
IPC分类号： H04L12/24
CPC分类号： H04L41/0668 , H04L45/28
摘要： Procedures, apparatuses, systems, and computer-readable media for operating primary and backup network elements (NEs). The procedure for operating the primary NE includes determining a failure in a primary path in which the primary NE is interposed. A switch-over notification message is provided via an inter-chassis communication link to a backup NE. At least one status synchronization message is communicated with at least one of the backup NE via the inter-chassis communication link and a head-end NE in accordance with a standardized protection switching protocol. The procedure for operating the backup NE includes receiving the switch-over notification message, indicating failure in a primary path, via the inter-chassis communication link. A status synchronization message is provided in accordance with the standardized protection switching protocol to a head-end NE to establish communication with the head-end NE via a secondary path.
摘要翻译：用于操作主要和备用网元（NE）的程序，设备，系统和计算机可读介质。用于操作主要NE的过程包括确定主NE被插入的主路径中的故障。通过机箱间通信链路向备用网元提供切换通知消息。根据标准化的保护倒换协议，至少一个状态同步消息经由机箱间通信链路和前端网元与备用网元中的至少一个通信。操作备用网元的过程包括经由机箱间通信链路接收切换通知消息，指示主路径中的故障。根据标准化的保护交换协议向前端网元提供状态同步消息，以通过辅助路径建立与前端网元的通信。

2. 发明授权

US07706304B2 Method and system for assigning routers to hosts 有权
标题翻译：将路由器分配给主机的方法和系统
公开(公告)号：US07706304B2
公开(公告)日：2010-04-27
申请号：US11766377
申请日：2007-06-21
申请人： David Sinicrope , Chirayu Shah , Mahmood Hossain
发明人： David Sinicrope , Chirayu Shah , Mahmood Hossain
IPC分类号： H04L12/28
CPC分类号： H04L45/22 , H04L45/02 , H04L45/28 , H04L45/30
摘要： A system and method in an IP-based network for defining a specific router for a host to utilize as a default router. The host is configured with a plurality of preferred correlation values, each of which has a different corresponding preference level. Routers send Router Advertisement (RA) messages to the host and include at least one router correlation value and at least one corresponding priority value. The host compares the received router correlation values with its preferred correlation values and identifies the router that sent the router correlation value that matched the preferred correlation value having the highest corresponding preference level. The identified router is selected as the host's default router. If more than one router matches the preferred correlation value having the highest corresponding preference level, the router that sent the highest priority value is selected.
摘要翻译：基于IP的网络中的系统和方法，用于定义用于主机的特定路由器以用作默认路由器。主机配置有多个优选的相关值，每个相关值具有不同的对应的优选级别。路由器向主机发送路由器通告（RA）消息，并包括至少一个路由器相关值和至少一个对应的优先级值。主机将接收到的路由器相关值与其优选的相关值进行比较，并且识别发送与具有最高相应优选级别的优选相关值匹配的路由器相关值的路由器。所选路由器被选为主机的默认路由器。如果多个路由器匹配具有最高相应优先级的优选相关值，则选择发送最高优先级值的路由器。

3. 发明授权

US07443786B2 Apparatus and methods for home agent resiliency for mobile IPv4 有权
标题翻译：移动IPv4的归属代理弹性的装置和方法
公开(公告)号：US07443786B2
公开(公告)日：2008-10-28
申请号：US11269015
申请日：2005-11-08
申请人： Mahmood Hossain , Suresh Bhogavilli , Chirayu Shah , Kevin Purser
发明人： Mahmood Hossain , Suresh Bhogavilli , Chirayu Shah , Kevin Purser
IPC分类号： G01R31/08
CPC分类号： H04W8/12 , H04L69/40 , H04W24/04 , H04W80/04
摘要： Providing resiliency for mobile terminal data sessions, wherein the data sessions rely on Internet Protocol Version 4 and wherein at least one Home Agent node maintains a mobility bindings database for all registered mobile terminals while they are away from a home network. A first aspect of the invention provides physical Home Agent redundancy, perceived by each mobile node as Home Agent IP address redundancy, and a second aspect provides session resiliency. While the second aspect of the invention provides for session resiliency, it uses a mechanism of the former for master failure detection and Home Agent IP address take-over by a backup Home Agent.
摘要翻译：为移动终端数据会话提供弹性，其中数据会话依赖于因特网协议版本4，并且其中至少一个归属代理节点在远离家庭网络时为所有注册的移动终端维护移动性绑定数据库。本发明的第一方面提供了由每个移动节点感知为归属代理IP地址冗余的物理归属代理冗余，并且第二方面提供了会话弹性。虽然本发明的第二方面提供了会话弹性，但是它使用前者的机制来进行主故障检测和归属代理IP地址由备用归属代理接管。

4. 发明申请

US20060050696A1 Generic routing encapsulation over point-to-point protocol 有权
公开(公告)号：US20060050696A1
公开(公告)日：2006-03-09
申请号：US10936287
申请日：2004-09-08
申请人： Chirayu Shah , Sanjay Rao
发明人： Chirayu Shah , Sanjay Rao
IPC分类号： H04L12/56
CPC分类号： H04L12/4633 , H04L69/16 , H04L69/161 , H04L69/168 , H04L69/22 , H04L2212/00
摘要： A system and method are described herein that are capable of reducing overhead while keeping the traffic separation characteristics between two routers by establishing and using a generic routing encapsulation (GRE) tunnel directly over a link running a point-to-point protocol (PPP) that connects the two routers. Because, the system and method run GRE sessions directly over the PPP link means there is no need to configure the GRE tunnel over an Internet Protocol (IP) connection which means that outer IP header information does not need to be sent across the link. The elimination of the outer IP header reduces the overhead in the traffic sent between the two routers.

5. 发明授权

US09059902B2 Procedures, apparatuses, systems, and computer-readable media for operating primary and backup network elements 有权
标题翻译：用于操作主要和备用网络元件的程序，设备，系统和计算机可读介质
公开(公告)号：US09059902B2
公开(公告)日：2015-06-16
申请号：US13594156
申请日：2012-08-24
申请人： Pawan K. Singal , Sasha Cirkovic , Chirayu Shah
发明人： Pawan K. Singal , Sasha Cirkovic , Chirayu Shah
IPC分类号： H04L12/24 , H04L12/703
CPC分类号： H04L41/0668 , H04L45/28
摘要： Procedures, apparatuses, systems, and computer-readable media for operating primary and backup network elements (NEs). The procedure for operating the primary NE includes determining a failure in a primary path in which the primary NE is interposed. A switch-over notification message is provided via an inter-chassis communication link to a backup NE. At least one status synchronization message is communicated with at least one of the backup NE via the inter-chassis communication link and a head-end NE in accordance with a standardized protection switching protocol. The procedure for operating the backup NE includes receiving the switch-over notification message, indicating failure in a primary path, via the inter-chassis communication link. A status synchronization message is provided in accordance with the standardized protection switching protocol to a head-end NE to establish communication with the head-end NE via a secondary path.
摘要翻译：用于操作主要和备用网元（NE）的程序，设备，系统和计算机可读介质。用于操作主要NE的过程包括确定主NE被插入的主路径中的故障。通过机箱间通信链路向备用网元提供切换通知消息。根据标准化的保护倒换协议，至少一个状态同步消息经由机箱间通信链路和前端网元与备用网元中的至少一个通信。操作备用网元的过程包括经由机箱间通信链路接收切换通知消息，指示主路径中的故障。根据标准化的保护交换协议向前端网元提供状态同步消息，以通过辅助路径建立与前端网元的通信。

6. 发明授权

US07519079B2 Generic routing encapsulation over point-to-point protocol 有权
标题翻译：通过点对点协议进行通用路由封装
公开(公告)号：US07519079B2
公开(公告)日：2009-04-14
申请号：US10936287
申请日：2004-09-08
申请人： Chirayu Shah , Sanjay Rao
发明人： Chirayu Shah , Sanjay Rao
IPC分类号： H04J3/16 , H04J3/22
CPC分类号： H04L12/4633 , H04L69/16 , H04L69/161 , H04L69/168 , H04L69/22 , H04L2212/00
摘要： A system and method are described herein that are capable of reducing overhead while keeping the traffic separation characteristics between two routers by establishing and using a generic routing encapsulation (GRE) tunnel directly over a link running a point-to-point protocol (PPP) that connects the two routers. Because, the system and method run GRE sessions directly over the PPP link means there is no need to configure the GRE tunnel over an Internet Protocol (IP) connection which means that outer IP header information does not need to be sent across the link. The elimination of the outer IP header reduces the overhead in the traffic sent between the two routers.
摘要翻译：本文描述了一种系统和方法，其能够通过在运行点对点协议（PPP）的链路上直接建立和使用通用路由封装（GRE）隧道来降低开销，同时保持两个路由器之间的业务分离特性，连接两个路由器。因为系统和方法直接通过PPP链路运行GRE会话意味着不需要通过Internet协议（IP）连接配置GRE隧道，这意味着外部IP头信息不需要通过链路发送。外部IP报头的消除减少了两台路由器之间发送的流量的开销。

7. 发明申请

US20080317049A1 Method and System for Assigning Routers to Hosts 有权
标题翻译：将路由器分配给主机的方法和系统
公开(公告)号：US20080317049A1
公开(公告)日：2008-12-25
申请号：US11766377
申请日：2007-06-21
申请人： David Sinicrope , Chirayu Shah , Mahmood Hossain
发明人： David Sinicrope , Chirayu Shah , Mahmood Hossain
IPC分类号： H04L12/28
CPC分类号： H04L45/22 , H04L45/02 , H04L45/28 , H04L45/30
摘要： A system and method in an IP-based network for defining a specific router for a host to utilize as a default router. The host is configured with a plurality of preferred correlation values, each of which has a different corresponding preference level. Routers send Router Advertisement (RA) messages to the host and include at least one router correlation value and at least one corresponding priority value. The host compares the received router correlation values with its preferred correlation values and identifies the router that sent the router correlation value that matched the preferred correlation value having the highest corresponding preference level. The identified router is selected as the host's default router. If more than one router matches the preferred correlation value having the highest corresponding preference level, the router that sent the highest priority value is selected.
摘要翻译：基于IP的网络中的系统和方法，用于定义用于主机的特定路由器以用作默认路由器。主机配置有多个优选的相关值，每个相关值具有不同的对应的优选级别。路由器向主机发送路由器通告（RA）消息，并包括至少一个路由器相关值和至少一个对应的优先级值。主机将接收的路由器相关值与其优选的相关值进行比较，并且识别发送与具有最高相应优选级别的优选相关值匹配的路由器相关值的路由器。所选路由器被选为主机的默认路由器。如果多个路由器匹配具有最高相应优先级的优选相关值，则选择发送最高优先级值的路由器。

8. 发明申请

US20070104146A1 Apparatus and methods for home agent resiliency for mobile IPv4 有权
标题翻译：移动IPv4的归属代理弹性的装置和方法
公开(公告)号：US20070104146A1
公开(公告)日：2007-05-10
申请号：US11269015
申请日：2005-11-08
申请人： Mahmood Hossain , Suresh Bhogavilli , Chirayu Shah , Kevin Purser
发明人： Mahmood Hossain , Suresh Bhogavilli , Chirayu Shah , Kevin Purser
IPC分类号： H04Q7/00
CPC分类号： H04W8/12 , H04L69/40 , H04W24/04 , H04W80/04
摘要： Providing resiliency for mobile terminal data sessions, wherein the data sessions rely on Internet Protocol Version 4 and wherein at least one Home Agent node maintains a mobility bindings database for all registered mobile terminals while they are away from a home network. A first aspect of the invention provides physical Home Agent redundancy, perceived by each mobile node as Home Agent IP address redundancy, and a second aspect provides session resiliency. While the second aspect of the invention provides for session resiliency, it uses a mechanism of the former for master failure detection and Home Agent IP address take-over by a backup Home Agent.
摘要翻译：为移动终端数据会话提供弹性，其中数据会话依赖于因特网协议版本4，并且其中至少一个归属代理节点在远离家庭网络时为所有注册的移动终端维护移动性绑定数据库。本发明的第一方面提供了由每个移动节点感知为归属代理IP地址冗余的物理归属代理冗余，并且第二方面提供了会话弹性。虽然本发明的第二方面提供了会话弹性，但是它使用前者的机制来进行主故障检测和归属代理IP地址由备用归属代理接管。

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