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Automatic detection method and device for network connectivity

An automatic detection device and a technology of network connectivity, applied in the field of communication, can solve the problems of high requirements of both parties being detected, and achieve the effect of meeting the needs

Inactive Publication Date: 2008-06-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through the combination of BFD technology and routing protocols or other applications, it is possible to quickly detect faults at the forwarding level and perform routing switching. However, such protocols often have high requirements for both parties to be detected, and both parties need to strictly follow specific standards.

Method used

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  • Automatic detection method and device for network connectivity
  • Automatic detection method and device for network connectivity
  • Automatic detection method and device for network connectivity

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Embodiment Construction

[0020] The automatic detection method of network connectivity provided by the present invention is a general-purpose, low-cost detection method that does not have strict requirements on both parties to be detected, and mainly uses the Internet Control Message Protocol (ICMP) Query messages for automatic path detection and fault recovery.

[0021] The ICMP protocol is the Internet Control Message Protocol, which is used to transmit error messages and other information that needs to be queried.

[0022] According to the description in the Internet Control Message Protocol (Internet Control Message Protocol, RFC792 for short), ICMP messages can generally be divided into two types: ICMP query messages and ICMP error messages. Among them, the ICMP query message is a message in a request and response format that appears in pairs, and is often used to locate the reachability of network devices. For example, in network diagnosis, use the Ping command to send an ICMP request message t...

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PUM

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Abstract

The invention discloses a method for automatically detecting network connectivity and a device thereof, wherein the method includes the following procedures: (1) an automatic detection group is constructed, the automatic detection group is provided with one or more than one detecting object and detecting strategy; (2) an internet control information protocol request message is sent to one or more than one detecting object, whether the message reaches one or more than one detecting object is judged based on the detecting strategy; and(3) one or more than one application service is reported the detection result by sending the detection result message to the application service related to one or more than one automatic detection group. The invention can realize the detection of the network connectivity without restrict requirements on both detection sides, thereby effectively meeting needs of various application services.

Description

technical field [0001] The present invention relates to the communication field, and more particularly relates to an automatic detection method and device for network connectivity. Background technique [0002] Currently, there are various fault detection methods for network connectivity. When the router device is used as an intermediate forwarding device, it generally relies on detecting the physical UP or Down change message of the interface or the state change of the network protocol to trigger the active / standby switchover of the route. However, in some special applications, this backup function will not work. For example, in a networking environment that lacks a dynamic routing protocol, the local area cannot perceive changes in the physical or link protocol status of the interface, so it cannot automatically switch traffic to the backup when the main link service is unavailable (the destination is unreachable). link, and when the primary link becomes available again,...

Claims

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Application Information

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IPC IPC(8): H04L12/26H04L1/22H04L12/56H04L29/06
Inventor 顾轶张丽晖焦欣文
Owner ZTE CORP
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