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Scheduling method for responding multiple sources in content distribution network (CDN)

A content distribution network and scheduling method technology, which is applied in the field of scheduling in response to multiple sources in the content distribution network, can solve the problems of not being able to dynamically adjust the distribution strategy, unable to play videos normally, and low data transmission efficiency, so as to improve online video experience, enhance fault tolerance and disaster recovery, and improve availability

Inactive Publication Date: 2013-01-09
LETV CLOUD COMPUTING CO LTD
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AI Technical Summary

Problems solved by technology

[0008] At present, the common CDN system can realize the distribution of content from the center to the edge according to the user's access requirements, but the strategy is relatively single, which cannot better meet various real-time changing situations, and cannot dynamically adjust the distribution strategy, so the data transmission efficiency not tall
Moreover, because the network is instantaneous and changeable, after the CDN global scheduling system guides users to the CDN node, if the CDN node suddenly fails, the user's access will fail
Take video playback as an example. At this time, users cannot play the video normally, resulting in low usability.

Method used

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  • Scheduling method for responding multiple sources in content distribution network (CDN)
  • Scheduling method for responding multiple sources in content distribution network (CDN)

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Embodiment Construction

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. The correspondence between constituent elements in the claims and specific examples in the embodiments can be exemplified as follows. The description herein is intended to confirm that specific examples used to support the subject matter stated in the claims are described in the embodiments, and since an example is described in the embodiments, it does not mean that the specific examples do not represent constituent elements. Conversely, even if a specific example is included here as an element characteristic corresponding to one constituent element, it does not mean that the specific example does not represent any other constituent element.

[0026] Furthermore, the description herein does not imply that all subject matter corresponding to specific examples set forth in the embodiments are recited in the claims. In other words, the d...

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Abstract

The invention discloses a scheduling method for responding multiple sources in a content distribution network (CDN), aiming to solve the availability problem of the CDN system. The scheduling method comprises the steps of: when a user requests for global scheduling, returning a plurality of CDN node addresses for once request, and when the user is failed in access, retrying by using other backup address, that is to say, adding a failure retrying mechanism to an existing flow to solve the problem of the access failure to the CDN system and improve the availability of the system and the user experience. The method provided by the invention can be used to enhance the fault tolerance and the disaster tolerance of the CDN system to further realize the integral performance optimization of the system, so that the online video experience of a user can be promoted greatly, and all this is transparent to the user so that the user is free from carrying out any additional operation.

Description

technical field [0001] The present invention relates to the technical field of network communication, and more specifically, relates to a scheduling method for responding to multiple sources in a content distribution network. Background technique [0002] The response speed of website access depends on many factors, such as the bandwidth bottleneck of the network, routing congestion and delay during transmission, and the processing capacity of the website server. In most cases, the response speed of website access is closely related to the distance between the visitor and the website server. [0003] CDN (Content Delivery Network) content distribution network, this technology is an effective means to solve the problem of poor Internet performance that first emerged and developed rapidly in the United States in recent years. The basic idea is to try to avoid bottlenecks and links on the Internet that may affect the speed and stability of data transmission, so as to make data...

Claims

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Application Information

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IPC IPC(8): H04N21/61H04N21/239
Inventor 邵长松李茗夏彦刚
Owner LETV CLOUD COMPUTING CO LTD
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