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Server, client apparatus, program and download method

一种客户端装置、服务器的技术，应用在电气元件、无线通信、传输系统等方向，能够解决初始成本/服务成本增加、无法获得文件等问题

Active Publication Date: 2008-12-24
SONY GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since it is difficult for the service provider to control the client-side event that will become a trigger, there is a problem that when a large number of client devices access the server so that the access is concentrated and the access exceeds the capacity of the server or the network, file may not be available
However, when resources are allocated all the time to manage traffic peaks, it means carrying excess resources in time periods other than the peak time period, which will lead to an increase in the initial cost of system construction / service cost

Method used

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  • Server, client apparatus, program and download method
  • Server, client apparatus, program and download method
  • Server, client apparatus, program and download method

Examples

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Embodiment Construction

[0030] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0031] Fig. 1 shows a conceptual diagram depicting a client / server system according to an embodiment of the present invention.

[0032] As shown in FIG. 1, the client / server system 100 is configured such that multiple client devices 1 such as digital video recorders and televisions are connected to a server 2 and multiple download servers 3 via a network 101 such as the Internet. For example, the client device 1 and the server 2 communicate with each other through polling communication or P2P (peer-to-peer), and distribute a file from the server 2 to the client device 1, in which the control information for accessing the download server 3 is described (This file is hereinafter referred to as "File B"). In addition, files downloaded from the download server 3 to the client device 1 (moving image files such as movies and update files of the client device 1) are file A.

[003...

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PUM

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Abstract

The invention provides a server, a client device, a program and a downloading method. A server connectable to a client apparatus over a network is disclosed. The server includes: means for generating a file containing an address of a download server that can distribute a download file to the client apparatus over the network and a first parameter that temporally regulates access from the client apparatus to the download server; and means for distributing the file to the client apparatus in response to a request from the client apparatus.

Description

Technical field [0001] The present invention relates to a server, a client device, a program, and a download method that distribute or download files such as moving images via a network. Background technique [0002] So far, in the case where the client device obtains a file from the server, when the client device is triggered by a certain event (for example, a user operation, or an application that uses a timer function), the client device performs operations on the server in which the file is stored. access. However, because it is difficult for the service provider to control the client-side events that will be triggered, there is a problem: when a large number of client devices access the server to concentrate the access and the access exceeds the capacity of the server or the network, The file may not be available. In particular, this problem tends to occur in proportion to the increase in file size and the number of client devices. [0003] In order to avoid this problem, ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04W8/245H04L67/06H04L67/1008H04L67/1001
Inventor 甲田博文
Owner SONY GRP CORP
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