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System fault processing method and device

A technology of system faults and processing methods, applied in the field of communication, can solve problems such as weak isolation of resources, impact on DNS service stability, weak resource isolation capabilities, etc., and achieve the effect of high availability

Active Publication Date: 2021-11-02
ALIBABA SINGAPORE HLDG PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, under the mixed-department architecture of a virtualized environment, its resource isolation capability is relatively weak, and the weak isolation of resources may lead to resources being blocked when the DNS service using anycast technology is used to calculate resources, which in turn affects Stability of DNS service

Method used

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  • System fault processing method and device
  • System fault processing method and device

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Experimental program
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Embodiment Construction

[0057] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0058]Each cloud product in the Appointment Cloud can implement service discovery and service mutual access requirements through OPS DNS domain name resolution (referring to the domain name resolution service of the OPS server on the Appointment Cloud). Specifically, the two service instances of OPS DNS can be connected to the The end switch establishes a dynamic routing BGP (Border Gateway Protocol, Border Gateway Protocol) neighbor, and the router can be configured with ECMP (Equal Cost Multipath Routing, in a network environment where there are multiple different links to the same destination address) equal-cost routing policy to achieve OPS The high availability of the DNS resolution service can trigg...

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Abstract

The embodiment of the invention provides a system fault processing method and device, and relates to a DNS service cluster, and the method comprises the steps of obtaining service instances in the DNS service cluster and the routing priorities of the service instances; providing the service instance with an interaction protocol module for mutual communication based on service instance nodes; detecting the service state of the service instance through the interaction protocol module; and according to the service state of the service instance, adjusting the routing priority of the service instance to realize flow migration. Through the interaction protocol between the deployed service instances, the healthy nodes can automatically increase the local routing priority and actively attract the flow in a high-load scene, so that the high availability of the system is ensured.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method for processing a system fault and a device for processing a system fault. Background technique [0002] Anycast (Anycast) is a network addressing method that can support multiple nodes to publish routing information of the same IP address. It is different from Multicast (Multicast) with one-to-many characteristics. The source of the service "conversation" of multiple nodes of the address, and the multicast can include the source that uses the multicast group address to provide services to multiple nodes, wherein, as the source, anycast is the sender of the service, and the multicast (can be called is multicast) is streaming audio, where the audio is published via multicast addressing, and the client picks up the routed stream as a channel. [0003] The network anycast technology can be widely used in the field of DNS (Domain Name System, domain name...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L12/703H04L12/707H04L12/733H04L29/08H04L29/12H04L45/122H04L45/24H04L45/28
CPCH04L41/0813H04L43/0817H04L43/0811H04L43/16H04L67/1008H04L67/101H04L67/1044H04L45/24H04L45/28H04L45/122H04L61/4511
Inventor 郭川赵飞张攀
Owner ALIBABA SINGAPORE HLDG PTE LTD