A resource access shared scheduling and controlling method and apparatus

A technology for scheduling control and sharing resources, applied in the field of network computers, it can solve the problems of not considering the timeliness and service quality of a single request, and achieve the effect of improving the response speed and avoiding blocking.

Inactive Publication Date: 2005-04-13
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This scheduling method focuses on how to reduce overhead and effectively utilize network bandwidth, thereby improving the average response time of the system as a whole, without considering the timeliness and quality of service QoS of individual requests

Method used

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  • A resource access shared scheduling and controlling method and apparatus
  • A resource access shared scheduling and controlling method and apparatus
  • A resource access shared scheduling and controlling method and apparatus

Examples

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Embodiment Construction

[0020] The embodiment of the specific device of the present invention will be described in detail below with reference to the drawings. The scheduling control method and device of the present invention are applicable to servers that provide access to shared resources (including text data, multimedia data, application programs, and calculation results) for MMNC. In the following specific method embodiments, the server performs scheduling control on shared file resource requests and provides shared file services as an example for illustration.

[0021] figure 1 The network interconnection environment of the specific embodiment of the method and device of the present invention is described. Distributed MMNCs are connected to a computer LAN. There is also a server physically located in a different location on the network. MMNC and server work in client / server mode. Such as figure 2 As shown, through a PPSA file request in a certain format, multiple clients can send shared re...

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Abstract

This invention relates to a dispatch control method and device for shared resource access which receives the resource request from MMNC in terms of arrival sequences, to be added into an array tail corresponding to the priority in a priority request array. The dispatcher sorts the process time by the processor to fixed dispatch periods, each is divided into multiple process time segments and a certain time slice quota is allocated to each time segment dynamically. In each period, request is selected according to the quota used situation first, secondly, if the quota is used up, the process period still has some time slices left, then selection is based on the priority of request, finally, if all the three kind requests are finished, if there are idle ones, the pre-operation request is selected to process them.

Description

technical field [0001] The invention belongs to the technical field of network computers, and in particular relates to a method and a device for scheduling and controlling concurrent access requests of shared resources on a server under the distributed system environment of a manageable multimedia network computer. Background technique [0002] With the rapid development of hardware and software technology, the use of PCs is becoming more extensive. According to the statistics of the International Data Corporation (IDC), the sales volume of PCs in my country in 2002 has reached 11.2 million units, and the application volume of PCs is still increasing at an annual rate of more than 20%. But on the other hand, while the functions of PC are becoming more and more powerful, many problems are also exposed, such as relatively high price, complicated maintenance and management, inconvenient use for users, and poor security. In the era of network computing, people try to use variou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/02
Inventor 张尧学彭玉坤周悦芝郭关飞
Owner TSINGHUA UNIV
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