Video CDN node instant capacity expansion method, capacity expansion virtual machine room and CND system

A node computer and computer room technology, applied in the field of CDN systems, can solve the problems of high operation and maintenance costs and overall resource costs, and achieve the effects of reducing overall resource costs, reducing operation and maintenance costs, and improving capacity expansion efficiency.

Pending Publication Date: 2020-08-18
HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, it is necessary to suspend the service, migrate the video file, and provide the service after the result of the hash algorithm is consistent with the actual location of the video storage, so the operation and maintenance cost and the overall resource cost are high

Method used

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  • Video CDN node instant capacity expansion method, capacity expansion virtual machine room and CND system

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Embodiment Construction

[0017] In the present invention, the existing node machine is named as the computer room to be expanded, and the new node machine and the existing node machine are named as the expanded virtual machine room. When the scheduler processes the user's playback request, it is fixed in the machine room to be expanded and selects a node through the hash algorithm. When the file does not exist (new node machine), the node will request the scheduler again, and the scheduler will select another node machine through the hash algorithm in the computer room to be expanded, and the new node will start from the old node machine Get the file and serve the user.

[0018] In the specific implementation process, the expansion time point needs to be determined first, and the operation and maintenance personnel can choose any time point to expand the disk capacity. Determine the computer room to be expanded, such as 1, 2, 3, 4, 5; determine the expanded virtual computer room, such as 1, 2, 3, 4, 5...

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Abstract

The invention discloses a video CDN node instant capacity expansion method, a capacity expansion virtual machine room and a CND system, and the method comprises the steps: determining the capacity expansion virtual machine room which comprises a newly-added node machine and an existing node machine; when the scheduler receives a user request, selecting a node machine from the expansion virtual machine room; if the selected node machine is the existing node machine, directly using the existing node machine to provide service for the user; and when the new node machine is selected, the schedulerre-selecting the node machine from the to-be-expanded machine room to provide service for the user, and the new node machine selected by the scheduler acquiring the file from the existing node machine to provide service for the user. When the node is expanded, video migration is not needed, and the newly added node machine is available, so that the operation and maintenance cost and the total resource cost are greatly reduced, and the expansion efficiency is improved.

Description

technical field [0001] The invention relates to a CDN system, in particular to a video CDN node instant capacity expansion method, a capacity expansion virtual computer room and a CND system. Background technique [0002] The CDN nodes of mainstream video websites use the hash algorithm when locating resources. For example, a company deploys 5 node machines in Hengyang Telecom to provide services at the same time. When a user requests to play a video, the corresponding scheduling service will use the video feature value (MD5 value of the video file) as the key to select a node through the hash algorithm. The machine provides services to users. When the disk space of the five node machines storing video files is full and a new node machine is expanded, the result of the hash algorithm is inconsistent with the actual location of the video storage due to changes in the hash set. At this time, it is necessary to suspend the service, migrate the video file, and provide the serv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/1031H04L67/1004H04L67/5682H04L67/60
Inventor 曾迅迅盛骥斌刘维赵云鹏邵灿陈龙
Owner HUNAN HAPPLY SUNSHINE INTERACTIVE ENTERTAINMENT MEDIA CO LTD
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