An access control method for data sources

An access control and data source technology, applied in electrical digital data processing, instruments, memory systems, etc., to solve problems such as unaffordable cost increases

Active Publication Date: 2017-07-28
HUBEI CENTURY NETWORK TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For schools and Internet cafes that are more cost-sensitive, such cost increases are usually unaffordable

Method used

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  • An access control method for data sources
  • An access control method for data sources
  • An access control method for data sources

Examples

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0050] Please see first figure 1, in this embodiment, a stacked cache architecture is provided, the stacked cache architecture includes a temporary cache layer 101 , a read-ahead cache layer 102 , a write-back cache layer 103 , and a data source layer 200 . The stack cache architecture provided by this embodiment can be regarded as a data source by the data source read and write access initiator 100 as a whole, that is, the temporary cache layer 101, the read-ahead cache layer 102, the write-back cache layer 103, and the data source Layers 200 can all be considered part of a data source.

[0051] Although the temporary cache layer 101, the read-ahead cache layer 102, the write-back cache layer 103, and the data source layer 200 are all part of the data...

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PUM

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Abstract

The invention provides an access control method for data sources. According to the invention, via an elimination mechanism implemented through cooperation of a temporary cache layer, a prereading cache layer and a write-back cache layer in a stack cache architecture, data accessed repeatedly and continuously by a data source reading-writing access initiator can be responded to quickly. For the condition of different-place deployment of a data source reading-writing access initiator and a data source layer, cache resources in a stack storage architecture can be wholly or partially arranged in a local storage medium of the data source reading-writing access initiator, so that data repeatedly and continuously accessed by the data source reading-writing access initiator can be retained in local cache resources and thus original slower remote access for the data source layer can be converted to faster local access for the cache resources. Therefore, data access properties of a data source reading-reading access initiator are improved.

Description

technical field [0001] The invention relates to cache technology, in particular to an access control method for data sources. Background technique [0002] In public Internet access places such as school computer rooms or Internet cafes, a large number of diskless workstations are often deployed. Moreover, all diskless workstations can remotely access the server to realize remote centralized storage of data provided by the hard disk media in the server for these diskless workstations. [0003] In diskless workstations, system programs and applications are usually the initiators of data read and write access, and the content accessed is mostly related data such as operating systems or game applications with a large amount of data and frequent reads and writes. At the same time, dozens or even hundreds of diskless workstations concurrently access a single server. In the case of such a large amount of data access, the access performance of the diskless workstation to remote d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F12/0897G06F12/0862G06F12/0875
CPCG06F12/0862G06F12/0875G06F12/0897
Inventor 邝耀华
Owner HUBEI CENTURY NETWORK TECHNOLOGY CO LTD
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