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公开(公告)号：US09049230B2
公开(公告)日：2015-06-02
申请号：US13935751
申请日：2013-07-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yuanzhang Liu , Yinghui Guo , Yongle Sun
CPC classification number: H04L69/16 , H04L41/0663 , H04L67/16 , H04L69/162 , H04L69/40
Abstract: The present invention discloses a backup method and backup device. The backup method for the TCP connection provided by embodiments of the present invention includes: processing a first input packet, and generating, according to a processing result of the first input packet, a new transmission control protocol status and a new socket status; backing up the generated transmission control protocol status and the generated socket status to a transmission control module of the standby board; sending a second input packet to an application module; receiving a first output packet; processing the first output packet, and generating, according to a processing result of first output packet, a new transmission control protocol status and a new socket status; and backing up the transmission control protocol status and the socket status. The present invention further discloses a backup device for a TCP connection.
Abstract translation: 本发明公开了备份方法和备用装置。 本发明实施例提供的TCP连接的备份方法包括：处理第一输入分组，并根据第一输入分组的处理结果生成新的传输控制协议状态和新的套接字状态; 将生成的传输控制协议状态和生成的套接字状态备份到备用板的传输控制模块; 向应用模块发送第二输入分组; 接收第一输出分组; 处理第一输出分组，并根据第一输出分组的处理结果生成新的传输控制协议状态和新的套接字状态; 并备份传输控制协议状态和套接字状态。 本发明还公开了一种用于TCP连接的备份设备。
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公开(公告)号：US09118546B2
公开(公告)日：2015-08-25
申请号：US13895818
申请日：2013-05-16
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yinghui Guo , Xiaowu Li , Shaowei Liu , Yang Yan
IPC: H04L12/26 , H04L12/24 , H04L12/703 , H04L12/773 , H04L12/939
CPC classification number: H04L41/0668 , H04L45/28 , H04L45/60 , H04L49/557
Abstract: A data forwarding method and a router are provided. The router includes: forwarding engines FEs, physical interface cards PICs, a first switch device and a second switch device, where the first switch device includes a primary first switch device and a standby first switch device, all the FEs are connected with each other via the first switch device, the FEs are connected to the PICs via the second switch device, the number of the FEs is at least two, the number of the PICs is at least two, and the number of the FEs is equal to the number of the PICs. Embodiments of the present invention could improve reliability of a system.
Abstract translation: 提供数据转发方法和路由器。 路由器包括：转发引擎FE，物理接口卡PIC，第一交换设备和第二交换设备，其中第一交换设备包括主要第一交换设备和备用第一交换设备，所有FE彼此之间经由 第一开关装置，FE通过第二开关装置连接到PIC，FE的数量至少为2，PIC的数量至少为2，FE的数量等于 PICs。 本发明的实施例可以提高系统的可靠性。
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公开(公告)号：US20130297808A1
公开(公告)日：2013-11-07
申请号：US13935751
申请日：2013-07-05
Applicant: Huawei Technologies Co., LTD
Inventor： Yuanzhang Liu , Yinghui Guo , Yongle Sun
IPC: H04L29/06
CPC classification number: H04L69/16 , H04L41/0663 , H04L67/16 , H04L69/162 , H04L69/40
Abstract: The present invention discloses a backup method and backup device. The backup method for the TCP connection provided by embodiments of the present invention includes: processing a first input packet, and generating, according to a processing result of the first input packet, a new transmission control protocol status and a new socket status; backing up the generated transmission control protocol status and the generated socket status to a transmission control module of the standby board; sending a second input packet to an application module; receiving a first output packet; processing the first output packet, and generating, according to a processing result of first output packet, a new transmission control protocol status and a new socket status; and backing up the transmission control protocol status and the socket status. The present invention further discloses a backup device for a TCP connection.
Abstract translation: 本发明公开了备份方法和备用装置。 本发明实施例提供的TCP连接的备份方法包括：处理第一输入分组，并根据第一输入分组的处理结果生成新的传输控制协议状态和新的套接字状态; 将生成的传输控制协议状态和生成的套接字状态备份到备用板的传输控制模块; 向应用模块发送第二输入分组; 接收第一输出分组; 处理第一输出分组，并根据第一输出分组的处理结果生成新的传输控制协议状态和新的套接字状态; 并备份传输控制协议状态和套接字状态。 本发明还公开了一种用于TCP连接的备份设备。
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