A content distribution network fault location method and device
A content distribution network and fault location technology, applied in the Internet field, can solve problems such as inability to locate, affecting service experience, parent cache failure service quality, and availability degradation, and achieves the effect of enhancing accuracy and facilitating automatic switching.
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Embodiment 1
[0043] This embodiment provides a CDN fault location method, such as figure 1 shown, including the following steps:
[0044] S1, obtain the bidirectional detection data between the origin site and the CDN cache server;
[0045] The two-way detection includes: detection from the origin site toward the CDN cache server, and detection from the CDN cache server toward the origin server. in:
[0046] The detection of the source station to the direction of the CDN cache server includes heartbeat detection; the CDN cache server includes: a main parent cache server, a backup parent cache server, a main parent cache detection proxy (agent) server, a backup parent cache detection proxy server;
[0047] The detection of the CDN cache server to the source station includes local back-to-source and proxy detection; where the local back-to-source refers to the back-to-source from the parent cache server to the source station, and the proxy detection includes a backup parent cache server an...
Embodiment 2
[0068] This embodiment provides a CDN fault location device. The device in this embodiment is the device corresponding to the above-mentioned embodiment 1, and the relevant description in embodiment 1 is also applicable to this embodiment. The device can be an independent server in the CDN, or can also be located in the central server of the CDN. Such as figure 2 As shown, it includes a data acquisition module 21, a judgment module 22 and a positioning module 23, wherein:
[0069] The data acquisition module 21 is configured to acquire data of bidirectional detection between the source station and the CDN cache server;
[0070] The judgment module 22 is configured to judge the data of the two-way detection one by one according to the preset abnormality judgment conditions, and mark the judgment result for each piece of data;
[0071] The locating module 23 is used for analyzing and locating faults of all bidirectional detection data and determination results.
[0072] The ...
application example 1
[0088] In this example, the parent cache node detects the origin station and the heartbeat data reported by the origin station, and finally determines the health of the CDN origin station (that is, whether it is abnormal) and the fault link and type by summarizing and calculating the data, so as to improve the accuracy of abnormal judgment and fault location efficiency.
[0089] Step 1. Regularly obtain parent cache and source station two-way detection data and save them locally; including:
[0090] Step 1a, filter and analyze the access log of the parent cache server, obtain the number of 5xx status codes returned by the parent cache server within a specified period, and record them in the two-way detection data file, as shown in Table 1;
[0091] Table 1
[0092] Types of
server equipment
The node where the device is located
Source IP
detection results
parent cache
dev1
node1
IP1
100
Backup parent cache
dev2
node...
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