KR20090040707A - Object transmission system and control method thereof - Google Patents

Object transmission system and control method thereof Download PDF

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Publication number
KR20090040707A
KR20090040707A KR1020070106183A KR20070106183A KR20090040707A KR 20090040707 A KR20090040707 A KR 20090040707A KR 1020070106183 A KR1020070106183 A KR 1020070106183A KR 20070106183 A KR20070106183 A KR 20070106183A KR 20090040707 A KR20090040707 A KR 20090040707A
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South Korea
Prior art keywords
list
browser
web
object file
document
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KR1020070106183A
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Korean (ko)
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KR100925644B1 (en
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이준혁
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에스케이 텔레콤주식회사
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Priority to KR1020070106183A priority Critical patent/KR100925644B1/en
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Abstract

The present invention relates to an object transmission system and a method of controlling the same, comprising: a browser for requesting a web / wap document including one or more objects; An Internet Proxy Server (IPS) for receiving the requested web / wap document from the servers storing the document and transmitting the received web / wap document to the browser; And a client application for parsing the web / wap document transmitted from the IPS to generate a predetermined object file list. Preferably, the object file list is a cache of a browser. It is characterized in that the COP (Client Object Prediction) list for the unsaved file.

As a result, the efficiency of communication network resources can be increased by saving time between object requests and transmissions by utilizing the object file list included in the web / wap document.

Description

Object Transmission System and Control Method

The present invention relates to an object transmission system and a method of controlling the same, and more particularly, to an object transmission system and a method of controlling the same, which can simultaneously request and receive an object included in a web / swap document.

Web is the most popular information providing service on the Internet in recent years, and it is possible to provide and exchange not only text information but also graphic information and voice information. The biggest feature of the web is that it provides information in the form of HyperText or HyperMedia. HyperText refers to information that contains links to other information as text information. HyperMedia is not only a simple text but also a link to various types of information such as pictures, voices, and moving images. Points to information that is included. Thus, a user can click on a link on the screen to receive a new document in a Uniform Resource Locater (URL) specific to the link.

The Web, like many other Internet services, uses a client / server system. Browsers and web servers are a kind of application program that exchanges data through the HTTP standard protocol. HTTP (HyperTextTransfer Protocol) is one of the standard protocols of the web, and is used for communication between a browser and a web server for exchanging hypertext or hypermedia web documents. On the other hand, a web document is a document written using the web / wap (Hypertext Markup Language), and the frame, advertisement, images, pop-up windows, and other objects are created according to the author's intention. Is sent to the browser. Then, if the browser has the ability to express them, they are defined to render exactly as they were in the original Web document. Here, the object refers to an object constituting the website by loading the image, multimedia, etc. constituting the specific website through an external internet network.

Wap, an abbreviation of Wireless Application Protocol, is a communication protocol designed to allow access to the Internet from mobile terminals such as mobile communication devices, personal digital assistants (PDAs), and wireless terminals. GSM, TDMA, CDMA, CDPD It means an architecture for mobile computers that can connect to any wireless network.

The method of receiving an object included in a conventional web / wap document (hereinafter, referred to as a web / wap document) is separately requested in the order of configuration of the web / wap document, and by a separate response. It was a way of receiving each. In this case, as each object is requested and transmitted separately, it takes a long time to wait for normal use of the website, which causes a problem of wasting communication network resources. In particular, this problem has been more severe in the case of large image or multimedia objects.

Accordingly, an object of the present invention is to provide an object transfer system comprising: a browser for requesting a web / wap document including one or more objects; An Internet Proxy Server (IPS) for receiving the requested web / wap document from the servers storing the document and transmitting the received web / wap document to the browser; And a client application for parsing the web / wap document transmitted from the IPS to generate a predetermined object file list, wherein the object file list is not stored in the cache of the browser. Characterized in that the COP (Client Object Prediction) list for the file.

In addition, the client application is to provide an object transmission system and control method characterized in that the pending until the browser requests all the object file corresponding to the COP list (Pending) the request to the IPS.

 Accordingly, an object of the present invention is to provide an object transmission system and a control method thereof capable of efficiently receiving an object file included in a web / swap document.

The object is, in accordance with the present invention, an object transfer system comprising: a browser for requesting a web / wafer document comprising one or more objects; An Internet Proxy Server (IPS) for receiving the requested web / wap document from the servers storing the document and transmitting the received web / wap document to the browser; And a client application for parsing the web / wap document transmitted from the IPS to generate a predetermined object file list.

The client application may generate the object file list and transmit the web / wap document to the browser.

In addition, the client application may transmit the request to the IPS when the browser requests all of the object files corresponding to the object file list.

On the other hand, the IPS, when all of the object files corresponding to the object file list is requested by the browser, it may be characterized in that the object file is provided from the server that stores the object file.

The IPS may transmit the object file to the browser when the object file corresponding to the object file list is received from the server.

The object file list may be a client object prediction (COP) list of files not stored in the cache of the browser.

Further, the above object is, according to the present invention, in the client application of the object transfer system, when the web / swap document requested by the browser is transmitted from the servers storing the document, parsing the web / swap document ( An object list unit for parsing to generate a predetermined object file list; And a COP list unit for generating a COP (Client Objet Prediction) list for a file not stored in the cache of the browser among the object file list.

Meanwhile, another object of the present invention is to provide a control method of an object transmission system, the method comprising: requesting a web / wap document including one or more objects by a browser; Receiving the requested web / wap document from servers storing the document; Parsing the web / wap document to generate a predetermined object file list; And generating the object file list, and then transmitting the web / wap document to the browser.

The method may further include generating a Client Object Prediction (COP) list of files not stored in the cache of the browser among the object file list after generating the object file list.

In addition, when the browser receiving the web / wap document requests the object file included in the document, until the object file corresponding to any one of the object file list and the COP list is requested. The method may further include pending the request.

In addition, when the browser requests all of the object file corresponding to any one of the object file list and the COP list, the method may further include receiving from the servers storing the object file. have.

When the object file is provided from the server, the method may further include transmitting the object file to the browser.

In addition, the other object is that, according to the present invention, in the method of generating an object list of an object transmission system, when a web / wafer document requested by a browser is transmitted from servers storing the document, the web / wap Parsing a document to generate a predetermined object file list: and generating a client objet prediction (COP) list of files not stored in the cache of the browser among the object file list. It is to provide a method for generating an object list characterized in that.

According to the present invention by the above means, parsing a web / swap document to generate a predetermined object file list, preferably, an object file not stored in the cache of the browser among the object file list By generating and utilizing a Client Object Prediction (COP) list, a request for an object file included in a web / wap document at one time and a response can be received at once.

This saves time between the request and the transfer of the object contained in the web / wap document, resulting in an increase in the efficiency of network resources.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of an object transmission system according to an embodiment of the present invention.

According to an embodiment of the present invention, an object transmission system includes a browser 100, an Internet Proxy Server (IPS) 300, and a client application 500.

The browser 100 is an application used for retrieving web / wap information from the wired / wireless internet. The browser 100 requests a web / wap document of a web / wap page to be accessed by a user. The browser 100 itself does not include an Internet connection function. However, if software for Internet access such as Windows is set, the browser 100 can access a home page on a web / wap server of the world desired by simply starting the browser 100. have.

The browser 100 may include the cache 110 (meaning conceptual inclusion, not hardware inclusion). The cache 110 stores the object file executed by the browser 100 for a predetermined period of time, so that the same object can be immediately called and used again. Here, the predetermined period means an arbitrary period that may vary depending on the capacity of the cache 110 and a user designation. As described above, the cache 110 is not implemented as part of the browser 100 in hardware, but because it stores the object file executed in the browser 100, as shown in Figure 1 for convenience of description.

IPS (Internet Proxy Server, 300) is a server that passes through the network before going out to the Internet network. It stores the data requested on the Internet in a large disk and provides the data stored in the disk upon repeated requests. In this case, the IPS 300 receives and stores the web / wap document desired by the user from the corresponding servers of the Internet network, and transmits the web / wap document to the browser 100. In addition, the IPS 300 may transmit the object file to the browser 100 by storing the object file from the corresponding servers in which the object file is stored.

The client application 500 receives the web / wap document from the IPS 300 and transmits it to the browser 100. The client application 500 includes an object list unit 510 and a COP list unit 530.

The object list unit 510 generates a list of object files included in the web / wap document. The object list unit 510 parses the web / wap document transmitted from the IPS 300 to be included in the web / wap document. You can create a list of object files for an entire object file.

The COP list unit 530 generates a Client Object Prediction (COP) list for files not stored in the cache 110 of the browser 100 among the object file list, which will be described in more detail.

The COP list unit 530 may generate a Client Object Prediction (COP) list for only files not stored in the cache 110 among the object file list generated by the object list unit 510. This has been already executed by the browser 100, and in the case of an object file stored in the cache 110, it can be loaded immediately from the cache 110, and in the case of an object file not stored in the cache 110, Next, the request may be pending until the browser 100 requests all of the object files of the COP list by referring to a client object prediction (COP) list.

In more detail about the pending, the client application 500 generates a web / wap document after the COP list is generated by the object file list generated by the object list unit 510 or by the COP list unit 500. When transmitting to the browser 100, the browser 100 requests the IPS 300 the object file included in the web / swap document. In this case, the client application 500 holds the request of the browser 100 for the object file until the browser 100 requests all of the object files of the COP list when the object file list or the COP list is generated. Pending). That is, by referring to the object list or the COP list, it is possible to collectively request the IPS 300 at one time. Here, the pending (pending), the client application 500 waits until the browser 100 requests all of the object file corresponding to the object file list or the COP list without transmitting the request to the IPS 300, and then the client application 500 This means that the object file is requested to the IPS 300 at once.

As described above, when the object file list or the COP list is generated, when all the object files of the COP list are requested, the IPS 300 stores all the object files requested at the same time (or at the same time). It is provided by servers. In addition, the IPS 300 receives all of the object files and then transmits the object files to the browser 100 at once.

2 is a first flowchart illustrating a method of controlling an object transmission system according to an embodiment of the present invention.

Hereinafter, a first operation procedure of the object transmission system according to an embodiment of the present invention will be described in detail with reference to FIG. 2.

By the browser 100, the user requests a web / wap document of a web / wap page to be accessed (S101).

Receives the requested web / swap document, from the server that stores the web / swap document (S102).

Parsing the received web / swap document to generate a predetermined object file list (S103). Here, the object file list means a list of all object files included in the web / wap document generated by parsing the web / wap document, as described above.

It is determined whether there is an object file that is not stored in the cache 110 of the browser 100 among the object file list (S104), and if so, a COP list is generated for only the object file that is not stored in the cache 110 (S105). . As described with reference to FIG. 3, this is to collectively request and receive an object file not stored in the cache 110 with reference to the COP list.

After generating the COP list (as shown, if there is no unsaved object file in the cache 110, the process does not go through step S105), the web / swap document is transmitted to the browser 100 (S106).

The foregoing S104 to S105 procedures are applicable only when generating a COP list, as in the claims below.

3 is a second flowchart illustrating a method of controlling an object transmission system according to an embodiment of the present invention.

3, a second operation procedure of the object transmission system according to an embodiment of the present invention will be described in detail.

After receiving the web / swap document from the server, the browser 100 requests the object files included in the web / swap document (S201).

When the client application 500 generates the object file list or the COP list, it is determined whether all of the object files corresponding to the COP list have been requested (S202). Otherwise, the client application 500 returns to step S201 and the browser 100 returns the object file. Let the request continue. This process is called pending, and is for requesting the IPS 300 an object file corresponding to the COP list at one time, and the detailed description of the pending is as described above.

When the object file list or the COP list is generated, when all the object files corresponding to the COP list are requested, the IPS 300 receives the object file from the servers in which each object file is stored (S203).

IPS 300 is. The received object files are transmitted to the browser 100 at once (S204).

According to the first and second operation sequences described with reference to FIGS. 2 and 3 described above, object transmission efficiency may be improved. This will be described in detail with reference to FIG. 4.

4 is an explanatory view of the effect of the object transmission system according to an embodiment of the present invention.

As shown in Fig. 4, the conventional scheme requests the client files 500 to sequentially request the object files A, B, and C, and obtains separate responses for each object from the IPS 300. It was a way to send each as you get.

On the other hand, the method of the object transmission system according to an embodiment of the present invention, when generating the object file list or COP list generated by the client application 500, the object files A, B, and C corresponding to the COP list Is requested at a time, and is transmitted from the servers at the same time (at the same time) from the IPS 300. Accordingly, as shown, in the case of the scheme of the present invention, the round trip time (RTT) can be saved, so that the object can be transmitted more efficiently. (The more objects not stored in the cache 110, the higher the RTT improvement degree will be.) .

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

The present invention relates to an object transmission system and a control method thereof, and more particularly, to an object transmission system and a method of controlling the same, which can receive an object included in a web / swap document at once.

This generates and utilizes a client object prediction (COP) list for object files that are not stored in the cache among the list of predetermined object files generated by parsing the web / wap document. By requesting the object file included in the at once and receiving the response at once, it is possible to reduce the time required between the object request and the transmission, thereby increasing the efficiency of network resources.

1 is a block diagram of an object transmission system according to an embodiment of the present invention.

2 is a first flowchart illustrating a method of controlling an object transmission system according to an embodiment of the present invention.

3 is a second flowchart illustrating a method of controlling an object transmission system according to an embodiment of the present invention.

4 is an explanatory view of the effect of the object transmission system according to an embodiment of the present invention.

<Brief description of the main parts of the drawing>

100: browser 110: cache

300: Internet Proxy Server

500: client application

510: object list unit

530: COP list section

Claims (13)

In the object transfer system, A browser for requesting a web / wap document including one or more objects; An Internet Proxy Server (IPS) for receiving the requested web / wap document from the servers storing the document and transmitting the received web / wap document to the browser; And And a client application for parsing the web / wap document transmitted from the IPS to generate a predetermined object file list. The method of claim 1, And the client application generates the object file list and transmits the web / wap document to the browser. The method of claim 1, And the client application sends the request to the IPS when the browser requests all of the object files corresponding to the object file list. The method of claim 3, The IPS, if all of the object file corresponding to the object file list is requested by the browser, the object file is provided from the server for storing the object file. The method of claim 4, wherein The IPS transmits the object file to the browser when the object file corresponding to the object file list is received from the server. The method according to any one of claims 1 to 5, The object file list may be a client object prediction (COP) list for a file not stored in the cache of the browser. In the client application of the object transfer system, An object list unit for parsing the web / wap document and generating a predetermined object file list when the web / wap document requested by the browser is transmitted from the servers storing the document; And And a COP list unit for generating a Client Objet Prediction (COP) list for files not stored in the cache of the browser among the object file list. In the control method of the object transmission system, Requesting, by the browser, a web / wap document containing one or more objects; Receiving the requested web / wap document from servers storing the document; Parsing the web / wap document to generate a predetermined object file list; And And generating the object file list and transmitting the web / wap document to the browser. The method of claim 8, After generating the object file list, generating a client object prediction (COP) list of files not stored in the cache of the browser among the object file lists. The method according to claim 8 or 9, When the browser that has received the web / wap document requests the object file included in the document, the request until the object file corresponding to any one of the object file list and the COP list is requested The method of claim 1, further comprising the step of (Pending). The method of claim 10, And when the browser requests all of the object files corresponding to any one of the object file list and the COP list, receiving from the servers storing the object files. Control method. The method of claim 10, If the object file is received from the server, transmitting the object file to the browser. In the object list generation method of the object transmission system, Parsing the web / wap document when the web / wap document requested by the browser is transmitted from the servers storing the document to generate a predetermined object file list: and And generating a Client Objet Prediction (COP) list for files not stored in the cache of the browser among the object file list.
KR1020070106183A 2007-10-22 2007-10-22 Object Transmission System and Control Method thereof KR100925644B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103064285A (en) * 2012-12-29 2013-04-24 杭州电子科技大学 Heat pump heating multi-objective optimization control method based on model

Family Cites Families (4)

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Publication number Priority date Publication date Assignee Title
WO1999008429A1 (en) * 1997-08-06 1999-02-18 Tachyon, Inc. A distributed system and method for prefetching objects
KR100312426B1 (en) * 1999-12-15 2001-11-05 오길록 Method for changing contents and caching for the web browser based on real-time operating system
US7721294B2 (en) 2002-04-05 2010-05-18 Telefonaktiebolaget L M Ericsson (Publ) Object transfer control in a communications network
KR100629037B1 (en) * 2004-12-17 2006-09-26 주식회사 인프라웨어 Apparatus and method for preparing and sending multimedia message for mobile communication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103064285A (en) * 2012-12-29 2013-04-24 杭州电子科技大学 Heat pump heating multi-objective optimization control method based on model
CN103064285B (en) * 2012-12-29 2015-08-26 杭州电子科技大学 A kind of heat pump heating multiobjective optimization control method based on model

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