Resource acquisition method, device and node device in CDN network

Abstract

The present invention provides a resource acquisition method, device, and node equipment in a CDN network; when the resource corresponding to the resource domain name to be accessed by the user cannot be found from the node equipment, the node hash ring associated with the resource domain name is acquired; According to the resource corresponding to the resource domain name, the target virtual point is determined from the virtual points in the node hash ring, and then the resource corresponding to the resource domain name is obtained from the target node corresponding to the target virtual point. The present invention only needs to ensure that the resource is saved in at least one node in the node hash ring established based on the target node associated with the resource domain name, and the current node device can obtain the resource domain name corresponding to the resource domain name to be accessed through the node hash ring. resources, which improves the hit rate of obtaining resources in the process of returning to the source, reduces the waste of CDN network bandwidth, and saves storage resources of the CDN network.

Description

technical field [0001] The present invention relates to the field of Internet technologies, and in particular, to a resource acquisition method, device and node device in a CDN network. Background technique [0002] Content Delivery Network (CDN for short) is usually set with edge nodes, middle-level nodes, upper-level nodes, and origin sites; if the edge nodes do not store the resources that users want to access, they need to go back to the middle-level nodes and upper-level nodes. Or source site to obtain resources. In the related art, for a resource, the resource is usually stored on many middle-level nodes or upper-level nodes, and the repeated storage method will waste more CDN network storage resources; Only considering the network status and bandwidth status of each node, it is very likely that the selected node does not store the resources the user wants to access. At this time, it is necessary to continue to select nodes to obtain resources, so the hit rate of obta...

AI Technical Summary

Problems solved by technology

In related technologies, for a resource, the resource is usually stored on many middle-level nodes or upper-level nodes, and the repeated storage method will waste more CDN network storage resources; in addition, when the edge node selects the node to return to the source, usually Only considering the network status and bandwidth status of each node, it is likely that the selected node does not store the resources that the user wants to access. At this time, it is necessary to continue to select nodes to obtain resources, so the hit rate of obtaining resources is low, which is easy to cause CDN network failure. waste of bandwidth

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