WO2010008192A2 - Méthode et appareil établissant un service de fourniture de contenu - Google Patents

Méthode et appareil établissant un service de fourniture de contenu Download PDF

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Publication number
WO2010008192A2
WO2010008192A2 PCT/KR2009/003878 KR2009003878W WO2010008192A2 WO 2010008192 A2 WO2010008192 A2 WO 2010008192A2 KR 2009003878 W KR2009003878 W KR 2009003878W WO 2010008192 A2 WO2010008192 A2 WO 2010008192A2
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WO
WIPO (PCT)
Prior art keywords
client
content
cache server
information
service
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Application number
PCT/KR2009/003878
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English (en)
Korean (ko)
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WO2010008192A3 (fr
Inventor
이윤근
Original Assignee
주식회사 씨디네트웍스
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Publication of WO2010008192A2 publication Critical patent/WO2010008192A2/fr
Publication of WO2010008192A3 publication Critical patent/WO2010008192A3/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling

Definitions

  • the present invention relates to a method and a device for providing a content delivery service. More particularly, the present invention provides a method and apparatus for managing a cache server that stores content and delivers the content to a client in a content delivery service. A method and apparatus capable of providing differentiated content delivery network services are provided.
  • Content delivery service is to distribute content that is concentrated in server of contents provider (CP) to other server and store contents and to deliver content to client through optimal path.
  • Communication networks in which such content delivery services are provided are referred to as content delivery networks, and such services are called content delivery services, content delivery network services, or CDN services.
  • the server where the original content is stored is called the origin server or the origin server
  • the server where the content concentrated on the server of the content provider is distributed and stored is called the cache server.
  • Such a cache server allows a client to receive content by using a redirection method, which is temporarily stored according to a user's request for content transmission and transmitted to the client, or connected to the origin server when there is no corresponding content in the cache server.
  • the corresponding content when there are many requests for transmission of the corresponding content, the corresponding content may be stored in the cache server, and when the request for transmission is low, the content may be stored and then deleted.
  • the conventional cache server looks at the process of transmitting the corresponding content or connected to the origin server in accordance with the content transfer request received from the client.
  • a network device such as a DNS (Domain Name System) server is used to access a cache server located in an optimal path with the client.
  • DNS Domain Name System
  • the cache server recognizes the content request for the origin server called http: ///d.tif from the URL cdn1-abc.com/d.tif and transfers the content directly to the client as described above. You will be working to make the connection.
  • the URL of the origin server entered by the client that is, the URL such as http: ///d.tif in the above example, is called the origin URL and is the access address of the cache server cdn1-abc.com/ which is actually accessed and processed. d.tif is sometimes called a service URL.
  • the content delivery network service is provided regardless of the region where the client is located or whether the subscribed Internet service provider (ISP) service is available. There is a problem that becomes possible.
  • ISP Internet service provider
  • the present invention is to propose a method and apparatus for providing a content delivery service capable of a content delivery network service differentially according to the area where the client is located or the subscribed ISP.
  • the cache server management in a Contents Delivery Networks system including a client, a cache server, a cache server management apparatus, and an origin server.
  • a method of providing a content delivery service performed by an apparatus comprising: receiving service URL (Uniform Resource Locator) information from the cache server; Mapping (b) the service URL to an origin URL; And (c) transmitting the mapped origin URL information to the cache server, wherein the cache server transmits the content requested from the client to the client using the received origin URL information.
  • service URL Uniform Resource Locator
  • step (a) the server further receives the information of the client together with the service URL information, and from the received client information, at least one of information on a region where the client is located and information on an ISP (Internet Service Provider) to which the client is subscribed. Extracting information that includes; And determining whether it is possible to provide a content delivery service to the client by using the extracted information. If it is determined that the content delivery service is available, the step (b) is performed.
  • ISP Internet Service Provider
  • step (a) further receiving information including at least one of the service URL information, the region information where the client is located, and the Internet Service Provider (ISP) information to which the client subscribes,
  • ISP Internet Service Provider
  • step (b) is performed.
  • control signal may be transmitted to the cache server to prevent the content transmission service from being performed.
  • the cache server transmitting the content requested from the client to the client may directly transmit the content to the client when the cache server stores the content requested by the client.
  • the cache server transmits the content requested from the client to the client, when the cache server does not store the content requested by the client, the origin server and the client are connected to transmit the content. Can be performed.
  • the cache server transmitting the content requested from the client to the client, if the cache server is not storing the content requested by the client to search for another cache server that stores the content to store the content
  • the cache server may be connected to the client so that the content may be transmitted.
  • the cache server transmitting the content requested from the client to the client may include the content from the origin server or another cache server storing the content when the cache server is not storing the content requested by the client. Receiving the can transmit the content requested from the client to the client.
  • the origin URL information may be received from the origin server.
  • an apparatus for providing content delivery service is provided.
  • a Contents Delivery Networks system including a client, a cache server, and an origin server
  • the cache server and the origin server are connected.
  • An apparatus for providing a content delivery service comprising: a URL mapping unit for mapping a service URL and an origin URL received from the cache server; And a transceiver configured to receive the service URL information from the cache server and to transmit the origin URL information mapped to the cache server, wherein the cache server uses the requested content from the client using the received origin URL information.
  • a content transmission service providing apparatus for transmitting to the client.
  • the transceiver further receives information of the client together with the service URL information, and the content transmission service providing apparatus further includes information on a region where the client is located and information about an ISP (Internet Service Provider) to which the client is subscribed.
  • the apparatus may further include a client information extractor configured to extract information including at least one of the information.
  • the content transmission service providing apparatus determines whether it is possible to provide a content transmission service to the client using the client information extracted by the client information extracting unit, and if the content transmission service is determined to be provided, the URL.
  • the mapping unit may perform the URL mapping.
  • the content transmission service is not performed by the cache server. Control signals can be sent that prevent them.
  • the transceiver may further receive information including at least one of the service URL information, region information where the client is located, and Internet service provider (ISP) information subscribed to the client.
  • ISP Internet service provider
  • the content transmission service providing apparatus content to the client using the information including at least one of the received service URL information, the region information where the client is located, and the Internet Service Provider (ISP) information to which the client subscribes.
  • the URL mapping unit may perform the URL mapping when it is determined that the content transmission service is available.
  • the cache server transmitting the content requested from the client to the client may directly transmit the content to the client when the cache server stores the content requested by the client.
  • the cache server transmits the content requested from the client to the client, when the cache server does not store the content requested by the client, the origin server and the client are connected to transmit the content. Can be performed.
  • the cache server transmitting the content requested from the client to the client, if the cache server is not storing the content requested by the client to search for another cache server that stores the content to store the content
  • the cache server may be connected to the client so that the content may be transmitted.
  • the cache server transmitting the content requested from the client to the client may include the content from the origin server or another cache server storing the content when the cache server is not storing the content requested by the client. Receiving the can transmit the content requested from the client to the client.
  • the transceiver may receive the origin URL information from the origin server.
  • a recording medium recording a program for implementing the method for providing a content delivery service.
  • the cache server management in a Contents Delivery Networks system including a client, a cache server, a cache server management apparatus, and an origin server.
  • URL Uniform Resource Locator
  • a recording medium recording a program for implementing a method for providing a content delivery service.
  • step (a) the server further receives the information of the client together with the service URL information, and from the received client information, at least one of information on a region where the client is located and information on an ISP (Internet Service Provider) to which the client is subscribed. Extracting information that includes; And determining whether it is possible to provide a content delivery service to the client by using the extracted information. If it is determined that the content delivery service is available, the step (b) is performed.
  • ISP Internet Service Provider
  • control signal may be transmitted to the cache server to prevent the content transmission service from being performed.
  • the cache server transmitting the content requested from the client to the client may directly transmit the content to the client when the cache server stores the content requested by the client.
  • the cache server transmits the content requested from the client to the client, when the cache server does not store the content requested by the client, the origin server and the client are connected to transmit the content. Can be performed.
  • the cache server transmitting the content requested from the client to the client, if the cache server is not storing the content requested by the client to search for another cache server that stores the content to store the content
  • the cache server may be connected to the client so that the content may be transmitted.
  • the cache server transmitting the content requested from the client to the client may include the content from the origin server or another cache server storing the content when the cache server is not storing the content requested by the client. Receiving the can transmit the content requested from the client to the client.
  • the origin URL information may be received from the origin server.
  • a content delivery network service can be differentiated according to a region where a client is located or a registered ISP.
  • FIG. 1 is a block diagram showing the configuration of a content delivery network system according to an embodiment of the present invention.
  • FIG. 2 is a flowchart illustrating a sequence in which a content delivery service is provided according to an exemplary embodiment of the present invention.
  • FIG. 3 is a block diagram showing the configuration of a cache server management apparatus for providing a content transfer service according to an embodiment of the present invention.
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is a block diagram showing the configuration of a content delivery network system according to an embodiment of the present invention.
  • a contents delivery network system includes a client 100, a cache server 110, a cache server managing apparatus 120, and an origin server 130. ) May be included.
  • FIG. 1 only one component is illustrated for convenience of description, but one or more components may be present.
  • the client 100 is a device that is connected through a communication network to access the cache server 110 or the origin server 130 to receive the content.
  • the client 100 includes a web browser (not shown) that allows access to the cache server 110 or the origin server 130 and an application (not shown) required for playback when the content is played. It is apparent that the web browser and the application may be installed in the form of a program on the client 100.
  • the client 100 may have a communication function and may be connected to the cache server 110 or the origin server 130.
  • the client 100 may install a program capable of playing the received content, and display the outputted content. There is no limitation if the device includes a.
  • the client 100 may be, for example, a wireless terminal such as a personal computer (PC), a mobile phone, a personal digital assistant (PDA), and the like, but is not limited thereto.
  • a wireless terminal such as a personal computer (PC), a mobile phone, a personal digital assistant (PDA), and the like, but is not limited thereto.
  • PC personal computer
  • PDA personal digital assistant
  • the cache server 110 transmits the content to the client 100 when the content is stored in the cache server 110 or the origin server when there is no corresponding content in the cache server 110 according to a content transfer request from the client 100.
  • the client 100 may receive the content by using a redirection method connected to the 130.
  • the corresponding content when there are many requests for transmission of the corresponding content, the corresponding content may be stored in the cache server, and when the request for transmission is low, the content may be stored and then deleted.
  • the cache server management apparatus 120 performs the URL mapping that receives the service URL information received from the client 100 from the cache server 110 and matches the origin URL information.
  • the client 100 receives the client 100 information such as the IP address of the client 100 requesting the transmission of the content from the cache server 110 and the location of the client 100 or the client 100 through the IP address analysis, etc. It is possible to extract the subscribed ISP (Internet Service Provider) information.
  • ISP Internet Service Provider
  • the extracted information of the client 100 is used to determine whether to provide a content transmission service to an area where the client 100 is located or to a registered ISP.
  • the cache server 110 may control to perform a function such as content transmission or redirection to the corresponding client.
  • the cache server 110 may not perform a function such as content transmission or redirection to the client 100. Can be.
  • the cache server management apparatus 120 changes or deletes the URL to change the content transfer service in the cache server 110. This can be done.
  • the cache server management apparatus 120 receives the corresponding information from the origin server 130 when the origin URL, which is information on which the content is located in the origin server 130, is deleted or deleted, and the service URL received from the cache server 110.
  • the changed origin URL can be mapped to connect to the changed origin URL.
  • FIG. 1 only one cache server 110 and one cache server managing apparatus 120 are illustrated, but a plurality of cache servers 110 and one cache server managing apparatus 120 are connected or a cache server. As described above, there may be a plurality of management devices 120.
  • the origin server 130 stores and transmits the content of the content provider CP.
  • the redirection method may be directly connected to the client 100 through the cache server 110 to transmit content to the client 100.
  • the origin server 130 transmits the origin URL information to the cache server management apparatus 120 when the URL of the corresponding content is changed or deleted.
  • the URL mapping is performed in the separate cache server management apparatus 120 connected to the cache servers 110 to reflect the change of the URL directly to the cache servers 110.
  • client 100 information such as IP address information of the client 100 received from the cache server 110, it is possible to provide a differentiated content transmission service according to the client 100. Will be.
  • FIG. 2 is a flowchart illustrating a sequence in which a content delivery service is provided according to an exemplary embodiment of the present invention.
  • the cache server managing apparatus 120 first receives service URL information from the cache server 110 (S200).
  • information of the client 100 to which the content is to be transmitted for example, IP address information of the client may be received together.
  • the received service URL is mapped to the origin URL, and information about the origin URL is transmitted to the cache server 110 (S206).
  • the cache server management device 120 receives the client 100 information from the cache server 110 as well as the URL mapping operation as described above to extract the local information or ISP information, etc. where the client 100 is located.
  • the extracted information may be used to determine whether the content transmission service is provided by determining whether the region where the client 100 is located or a registered ISP can provide the content transmission service.
  • the content transfer service in the cache server management apparatus 120 by extracting local information or ISP information, etc., located in the corresponding client 100 from the cache server, and delivering only the extracted information to the cache server management apparatus 120. It may be possible to provide the content transmission service according to the determination.
  • the cache server 110 that receives the origin URL information transmits the content directly to the client 100 when the content exists using the origin URL information.
  • 100 and the origin server 130 are connected so that the client 100 can receive the corresponding content.
  • the client 100 may receive the content by performing the redirection to another cache server 110 storing the corresponding content without performing the redirection to the origin server 130. .
  • the cache server 120 when the cache server 120 does not store the content, the cache server 120 receives the content from another cache server or the origin server 130 storing the content and transmits the content to the client 100 in various ways.
  • Content delivery service can be provided.
  • FIG. 3 is a block diagram showing the configuration of a cache server management device 120 for providing a content transfer service according to an embodiment of the present invention.
  • the cache server managing apparatus 120 may include a transceiver 300, a URL mapping unit 310, and a client information extracting unit 320. .
  • the transceiver 300 transmits and receives data to and from the cache server 110 and the origin server 130.
  • the transceiver 300 receives service URL information from the cache server 110, and transmits origin URL information mapped to the service URL to the cache server 110.
  • the transceiver 300 receives the changed origin URL information when the origin URL 130 is changed in the origin server 130.
  • the URL mapping unit 310 maps the service URL received from the cache server 110 and the origin URL.
  • the mapped origin URL information is transmitted to the cache server 110 through the transceiver 300.
  • the client information extracting unit 320 may receive information of the client 100 to transmit the content, for example, IP address information of the client 100, while receiving the service URL information from the cache server 110. From the received information of the client 100, the region where the client 100 is located or the ISP information that the client 100 subscribes to is extracted.
  • the cache server extracts local information or ISP information, etc., in which the client 100 is located, and transfers only the extracted information to the cache server management apparatus 120 to transmit the content in the cache server management apparatus 120. It may also be possible to provide the content transmission service according to the determination whether the provision of the present invention, in this case, the client information extraction unit 320 may not be included in the cache server management apparatus 120 according to the present invention.
  • the cache server management apparatus 120 determines whether the content transmission service is provided by determining whether the region where the client 100 is located or the subscribing ISP can provide the content transmission service using the information extracted by the client information extraction unit 320. You can decide.
  • the cache server management apparatus 120 generates a control signal for controlling each of the above-described components, and determines whether to provide the content transfer service of the cache server 110.
  • the controller may further include a controller (not shown) for generating a corresponding control signal.
  • the cache server 110 that receives the origin URL information transmits the content directly to the client 100 when the content exists using the origin URL information.
  • the origin server 130 are connected so that the client 100 can receive the corresponding content.
  • the client 100 may receive the content by performing the redirection to another cache server 110 that stores the content without performing the redirection to the origin server 130.
  • the cache server 120 does not store the corresponding content, a method of receiving the corresponding content from another cache server or the origin server 130 storing the corresponding content and transmitting the content to the client 100 may be possible. In the method of allowing content to be transmitted to the client is not limited thereto.

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Abstract

L'invention porte sur une méthode et un appareil établissant un service de fourniture de contenu. Selon une exécution de l'invention, des informations d'URL de service sont reçues d'un serveur cache, et l'URL de service et une URL d'origine sont mappées et les informations d'URL d'origine mappées sont transmises au serveur cache, et le contenu demandé par un client est transmis au client par le serveur cache par l'intermédiaire des informations de l'URL d'origine reçues. L'invention a l'avantage d'assurer des services de fourniture différenciés selon l'aire de localisation du client ou avec l'ISP chez qui le client est abonné.
PCT/KR2009/003878 2008-07-15 2009-07-15 Méthode et appareil établissant un service de fourniture de contenu WO2010008192A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2008-0068435 2008-07-15
KR1020080068435A KR20100008046A (ko) 2008-07-15 2008-07-15 콘텐츠 전송 서비스 제공 방법 및 장치

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WO2010008192A2 true WO2010008192A2 (fr) 2010-01-21
WO2010008192A3 WO2010008192A3 (fr) 2010-06-10

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KR101499809B1 (ko) * 2013-02-01 2015-03-11 김형석 컨텐츠 관리 서버, 컨텐츠 관리 방법 및 컨텐츠 관리 시스템

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10222449A (ja) * 1997-01-31 1998-08-21 Nec Corp データサーバアクセス方法及びｌａｎ
JP2000315171A (ja) * 1999-04-30 2000-11-14 Nec Corp インターネットのホームページデータ収集方法
JP2001251364A (ja) * 2000-03-06 2001-09-14 Nippon Telegr & Teleph Corp <Ntt> 分散キャッシング方法及びシステム及び分散キャッシュ制御プログラムを格納した記憶媒体
KR20030065260A (ko) * 2002-01-29 2003-08-06 후지쯔 가부시끼가이샤 콘텐츠 배신 네트워크 서비스 방법 및 시스템

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10222449A (ja) * 1997-01-31 1998-08-21 Nec Corp データサーバアクセス方法及びｌａｎ
JP2000315171A (ja) * 1999-04-30 2000-11-14 Nec Corp インターネットのホームページデータ収集方法
JP2001251364A (ja) * 2000-03-06 2001-09-14 Nippon Telegr & Teleph Corp <Ntt> 分散キャッシング方法及びシステム及び分散キャッシュ制御プログラムを格納した記憶媒体
KR20030065260A (ko) * 2002-01-29 2003-08-06 후지쯔 가부시끼가이샤 콘텐츠 배신 네트워크 서비스 방법 및 시스템

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WO2010008192A3 (fr) 2010-06-10

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