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Method and system achieving network redundancy and data flow seamless switching

A seamless switching and data flow technology, applied in the field of communication, can solve problems such as wrong business data flow, affect user use, and OSPF routing information is not updated, and achieve the effect of ensuring seamless switching and avoiding wrong data flow

Inactive Publication Date: 2013-05-08
CHENGDU SKSPRUCE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In the traditional data flow switching scheme, the VRRP state has been switched, but the OSPF routing information has not been updated, which leads to the wrong flow of business data and affects the use of users. Therefore, it cannot provide rapid disaster response and cannot ensure business data flow. seamless switching

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  • Method and system achieving network redundancy and data flow seamless switching
  • Method and system achieving network redundancy and data flow seamless switching
  • Method and system achieving network redundancy and data flow seamless switching

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] The embodiment of the present invention relates to an OpenFlow network architecture in which control and forwarding are separated. Compared with the traditional centralized architecture network equipment, the control and forwarding separation is to separate the forwarding plane and the control plane of the network equipment, and deploy them on the same equipment,...

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Abstract

The invention relates to the field of communication technology and discloses a method and a system achieving network redundancy and data flow seamless switching. The method includes the following steps of using a virtual router redundancy protocol (VTRP) to trigger switching of a first transmitting device to a second switching device according to the changes of links, and using an open shortest path first (OSPF) interior gateway protocol to update route information and to switch the flow direction of the data flow. Main and standby switching is achieved through the use of the VRRP, and when the main and standby states of a VRRP group switch, and the OSPF interior gateway protocol is used for updating the route information and switching the flow direction of the data flow, so that after a linkage mechanism of the VRRP and the OSPF interior gateway protocol is used for achieving the switch, the route information is timely updated, the problem that the data flow direction is wrong and therefore the use of a user is affected is avoided, and the data flow seamless switching is ensured.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and system for realizing network redundancy and data flow seamless switching. Background technique [0002] With the rapid development of the Internet, users require more diverse business experiences and faster and more stable network services. This puts forward higher requirements on the redundancy, reliability, and disaster recovery of the network. Users need to maintain communication with the network at all times, and even if a failure occurs, they need to recover quickly without perception. [0003] The Virtual Router Redundancy Protocol (VRRP) virtualizes multiple routers into one router and announces a virtual IP address to the outside, so as to realize fast backup switching when a device fails. The router in the VRRP state is the Master, which is responsible for forwarding data packets, and other Backup devices are in the hot standby state. Many important...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/703H04L12/757H04L45/28
Inventor 雷永成
Owner CHENGDU SKSPRUCE TECH
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