Method and system for realizing standby route based on active detection technique

A technology of active detection and detection method, applied in the direction of transmission system, digital transmission system, electrical components, etc., can solve the problem of limitation of fault detection means, inability to realize fault detection and recovery, and bonus

Inactive Publication Date: 2012-03-21
XIAN ANGELLTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the multi-router backup protocol and dynamic routing protocol, due to the complexity of the protocol, its configuration and debugging are difficult; on the other hand, in the case of a complex network environment, deployment and adjustment will involve multiple manufacturers and different management With th

Method used

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  • Method and system for realizing standby route based on active detection technique
  • Method and system for realizing standby route based on active detection technique
  • Method and system for realizing standby route based on active detection technique

Examples

Experimental program
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Effect test

Embodiment 1

[0030] figure 1 A typical network topology of a backup routing system based on active detection technology is shown. The routing backup system is connected to the outside world through three Ethernet network interfaces (network ports). The lower network port is connected to the internal network. The left network port is directly connected to network A through the next hop route of the left switch. A switch connects two networks at the same time. The left side is connected to network B through a NAT router, and the right side is connected to network C through a PPPoE router.

[0031] The request to access network A from the intranet can have three different paths:

[0032] (1) Access directly through network A through the left switch;

[0033] (2) Access through the right switch, through the NAT router, network B, and network A

[0034] (3) Access through the right switch, PPPoE router, network C, and network A

[0035] Among them, the first path is fast and the cost is lo...

Embodiment 2

[0037] figure 2 The workflow of implementing the backup routing method based on active detection technology is shown.

[0038] As shown in step 201, in the initial state, the administrator configures the main route and the backup route according to his own network topology requirements, and configures the corresponding route detection method and detection time interval according to the type and importance of each route;

[0039] As shown in step 202, when the configuration has just been completed, due to the lack of health status information of each route, the main route is directly selected earlier;

[0040] As shown in step 203, each detection method of each route is detected separately according to the administrator's configuration. For the detection that adopts the blocking monitoring method, it can be implemented in a centralized manner and processed separately; for the detection that requires polling, it needs to be checked separately according to the specified time in...

Embodiment 3

[0047] image 3 A system module architecture for implementing the present invention is shown, the system module architecture includes a routing configuration and display user interface module 301, a routing configuration and status storage module 302, a routing detection module 303, a routing arbitration mechanism module 304 and a routing execution mechanism module 305 .

[0048] Module 301 is used to configure the main and backup routes, including specific routing configuration information, routing priority weights, etc., and modify the selected routing detection method, detection time interval and specific configuration information related to detection; through this The module can also display the current system status, including the configuration information of the main route and the backup route, the selection of the current route, the health status of each route, and the specific details of various detections of each route, such as the current Detection activity, last de...

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Abstract

The invention discloses a method for realizing a standby route based on active detection technique. The method comprises the following steps: a primary route and a standby route are configured according to the network topology requirement; the primary route and the standby route are continually subjected to active detection, and the healthy state of each route is maintained; when the primary route is unavailable, the standby route is automatically switched on; and the primary route is switched on once recovers. For overtime caused by passively waiting for the routes, by adopting the method provided by the invention, routing faults can be discovered more quickly and accurately, the fault recovery time is shortened to provide a simple, efficient, flexible and reliable standby route solution for small and medium-sized networks.

Description

technical field [0001] The invention relates to configuration and redundant backup of TCP / IP network routing, and belongs to the technical field of computer network communication. Background technique [0002] In order to ensure network connectivity and prevent single point failures, computer systems often provide various forms of fault detection and redundant backup functions. The basic principles of system-level backup and link-level backup are similar. Network connectivity involves many aspects, and routing is an important part of it. At present, some routing redundancy backup technologies have been widely used. For example, from the perspective of multi-router backup, there are VRRP and HSRP protocols; from the perspective of routing protocols themselves, there are dynamic routing protocols such as RIP and OSPF; from the perspective of a single system, there are multi-metric routing configurations, etc. [0003] Different redundancy backup schemes have their own advant...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/26H04L45/24
Inventor 任景岩张勇祖基华
Owner XIAN ANGELLTECH
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