Method and related device for domain name resolution

Abstract

The invention relates to the field of domain name resolution, and provides a domain name resolution method and a related device. A method for domain name resolution includes: when a cloud host initiates a domain name resolution request, the virtual private cloud gateway receives a first domain name resolution request message sent by the cloud host, wherein the first domain name resolution request message carries a domain name that the cloud host requests to access; The virtual private cloud gateway searches the domain name resolution flow table data in the centralized controller to see if there is a first domain name that matches the domain name requested by the cloud host; Obtain the first IP address corresponding to the first domain name from the parsing flow table data; the virtual private cloud gateway sends the first domain name resolution response message to the cloud host, wherein the first domain name resolution response message carries the first IP address. The technical solution of the embodiment of the present invention can flexibly customize the domain name resolution of the cloud host in the virtual private cloud.

Description

technical field [0001] The present invention relates to the field of domain name resolution, in particular to a method and related device for domain name resolution. Background technique [0002] With the continuous maturity of virtualization and cloud computing technologies, more and more cloud computing vendors have begun to provide virtual private cloud services. At present, the domain name resolution solutions of cloud computing vendors all use centralized domain name resolution. of cloud hosts share a centralized domain name resolution server. [0003] When you need to customize the domain name resolution of the cloud host in the virtual private cloud, you need to configure the domain name and the IP address corresponding to the domain name in the host file of the cloud host. The domain name matching the domain name requested by the host, if there is a domain name matching the domain name requested by the cloud host, the IP address corresponding to the domain name is o...

AI Technical Summary

Problems solved by technology

[0003] When it is necessary to customize the domain name resolution of the cloud host in the virtual private cloud, it is necessary to configure the domain name and the IP address corresponding to the domain name in the host file of the cloud host. If there is a domain name that matches the domain name requested by the cloud host, the IP address corresponding to the domain name is obtained from the host file, and then the cloud host directly accesses the IP address. In this way, when accessing the virtual private cloud When all cloud hosts perform custom domain name resolution, the host files of all cloud hosts need to be modified. When the number of cloud hosts in the virtual private cloud is large, the workload of modifying the host files of all cloud hosts is large, and it is not flexible Customize domain name resolution for a single cloud host, multiple cloud hosts or the entire virtual private cloud system

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