KR100725132B1 - Method and system for assuring quality of service related to service-type - Google Patents

Abstract

The present invention relates to a quality assurance service method and system according to service characteristics, and more particularly, to a quality of service (QoS) according to characteristics of a service requested by a user, that is, an FTP service, a VOD service, and a VoIP service. The present invention relates to a quality assurance service method and system according to a service characteristic of providing a service for guaranteeing the service quality.

QoS, Quality of Service

Description

Quality Assurance Service Method and System According to Service Characteristics {METHOD AND SYSTEM FOR ASSURING QUALITY OF SERVICE RELATED TO SERVICE-TYPE}

1 is a network configuration for implementing a quality assurance service method according to the service characteristics according to the present invention.

2 is a block diagram of a quality assurance service system according to a service characteristic according to an embodiment of the present invention.

3 is a block diagram of a quality assurance service system according to a service characteristic according to another embodiment of the present invention.

Figure 4 is a flow chart of the quality assurance service method according to the service characteristics according to an embodiment of the present invention.

5 is a diagram illustrating a quality guarantee service method according to service characteristics according to an embodiment of the present invention for each network subject.

6 is a flow chart of a quality guarantee service method according to a service characteristic according to another embodiment of the present invention.

7 is a diagram illustrating a quality guarantee service method according to a service characteristic according to another embodiment of the present invention for each network subject.

The present invention relates to a quality assurance service method and system according to service characteristics, and more particularly, to a quality of service (QoS) according to characteristics of a service requested by a user, that is, an FTP service, a VOD service, and a VoIP service. The present invention relates to a quality assurance service method and system according to a service characteristic of providing a service for guaranteeing the service quality.

Most of the services using the service quality assurance technology are services that use flow control and error control mechanisms to guarantee QoS between terminals and servers, and reduce data loss or data due to network congestion. It is about ways to compensate if a loss occurs. In addition, in case of non-real-time services such as VOD, most of them use buffers to provide QoS-guaranteed application services that cope with delay, jitter, and loss. That is, the conventional service can only guarantee the adaptive QoS according to the network condition, and because it is a QoS service that does not classify the service, it does not guarantee bandwidth even though lossless is guaranteed. It is difficult to guarantee lossless, delayed and jitter.

Therefore, the conventional services have a problem that is not suitable for high-speed communication of the type that can guarantee the bandwidth to minimize the loss at a time and delay.

The present invention was devised to solve the above problems, and provides a service of guaranteeing Quality of Service (QoS) according to characteristics of a service requested by a user, that is, an FTP service, a VOD service, and a VoIP service. The purpose is to provide a quality assurance service method and system according to the service characteristics.

In order to achieve the above object, a quality guarantee service method according to a service characteristic according to the present invention includes a high speed communication service system, a network resource control system, and a quality assurance service system according to a service characteristic including a plurality of high speed communication servers. A method of providing a quality assurance service according to service characteristics to a user terminal and a web hard server, the method comprising: a) a user connecting to a web hard server using a user terminal and selecting a service related to data transmission and reception by the web hard server; Requesting the quality assurance service, receiving the same by the high speed communication service system; b) selecting, by the high-speed communication service system, a high-speed communication server suitable for the user terminal from among a plurality of high-speed communication servers, and determining a protocol, an application program, and a service quality level according to the characteristics of the service requested by the user; c) the high speed communication service system transmits a request regarding service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and responds to the request from the network resource control system. Receiving; d) the high speed communication service system instructing the high speed communication server selected in step b) about an action related to data transmission and reception between the user terminal and the web hard server; And e) performing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system.

The type of service related to data transmission and reception in step a) may include an FTP service, a VOD service, and a VoIP service.

The quality assurance service request in step a) may include information on a service type.

The quality assurance service request in step a) may include information on service type and file capacity.

Preferably, the high speed communication server suitable for the user terminal in step b) is a high speed communication server suitable for the user terminal based on the location of the user terminal and the access network capability.

Data relating to the location and access network capability of the user terminal may be collected from the subscriber access control device, access network topology management and control device.

Characteristics of the service in step b) may be determined according to the type of service.

The quality of service level in step b) may include bandwidth, loss, delay, and jitter.

The request for the service quality guarantee of step c) includes information on the service quality level determined in step b), the IP address or domain name of the user terminal, the IP address or domain name of the web hard server, and It is preferable that the IP address or domain name of the high speed communication server is included.

The step e) comprises the steps of: e1) providing and installing the protocol and application program to the user terminal under the condition that the protocol and application program determined in step b) do not exist in the user terminal; And, e2) performing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the quality of service level guaranteed by the network resource control system.

According to another aspect of the present invention, a quality assurance service system according to a service specification including a high speed communication service system, a network resource control system, and a plurality of high speed communication servers is provided to the user terminal and the web hard server according to service characteristics. A method of providing a service comprising the steps of: a) a web hard server requesting a reservation of a quality assurance service as a user drives a user terminal, the high speed communication service system receiving this; b) the high speed communication service system inquiring a high speed communication server, a protocol, an application program, and a quality of service level appropriate for the user terminal from a database in which the user information is stored; c) the high-speed communication service system transmits a reservation request regarding service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and transmits a request for the request from the network resource control system. Receiving a response; d) when the web hard server requests the quality assurance service as the user accesses the web hard server using the user terminal and selects a service related to data transmission and reception, the high speed communication service system performs step b). Instructing an action related to data transmission and reception between the user terminal and the web hard server to the high speed communication server queried in the step; And e) performing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system. A method is provided.

According to another aspect of the present invention, a quality assurance service system according to a service characteristic for providing a quality assurance service according to a service characteristic to a user terminal and a web hard server, comprising: a web hard server according to a service selection relating to data transmission and reception of a user terminal. When receiving a request for the quality assurance service from the service, selecting a high-speed communication server suitable for the user terminal from a plurality of high-speed communication server, and determines the protocol, application, and quality of service level according to the characteristics of the service requested by the user, Sends a request for service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and sends and receives data between the user terminal and the web hard server to the high speed communication server according to the response. High-speed communication order to order action on Bus system; A network resource control system which receives a request for service quality guarantee from the high speed communication service system and controls network resources between the user terminal and the web hard server to guarantee service quality according to the service quality level; And receiving a command from the high speed communication service system for data transmission and reception between the user terminal and the web hard server, between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system. There is provided a quality assurance service system according to a service characteristic, including a high-speed communication server for performing data transmission and reception.

According to still another aspect of the present invention, there is provided a user information database that stores information about a high speed communication server for each user, a type of service, a protocol, an application program, and a service quality level; When the user terminal receives the reservation request for the quality assurance service from the web hard server as the user terminal is driven, the user information database retrieves the appropriate high speed communication server, protocol, application program, and service quality level from the user information database. The reservation request for guaranteeing the quality of service between the user terminal and the web hard server according to the present invention is transmitted to a network resource control system, and after the user connects to the web hard server using the user terminal, A high speed communication service system instructing a high speed communication server to perform an action relating to data transmission / reception between the user terminal and the web hard server when the web hard server requests a quality assurance service according to selecting a service; Network resource control that secures network resources to ensure service quality according to the service quality level by controlling a network resource between the user terminal and the web hard server by receiving a reservation request for service quality guarantee from the high speed communication service system. system; And receiving data from the high speed communication service system in response to an action related to data transmission and reception between the user terminal and the web hard server, and according to the service quality level guaranteed by the network resource control system, data between the user terminal and the web hard server. There is provided a quality assurance service system according to a service characteristic including a high-speed communication server for transmitting and receiving.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a diagram illustrating a network configuration for implementing a quality assurance service method according to a service characteristic according to the present invention. Referring to the drawings, the quality assurance service method according to the service characteristics of the present invention is a service characteristic including a high speed communication service system 110, a network resource control system 120, a plurality of high speed communication server (130.N) The quality assurance service system 100 (hereinafter, the quality assurance service system 100) is implemented by being connected with the web hard server 50 and the user terminal 10 through an information communication network.

The information communication network means a data communication network in a comprehensive sense, which is connected to each other by various networks including a LAN, a WAN, an intranet, and similar internal networks, and provides access to the Internet, and includes a private network and a public telephone network. It should be understood to include broadband networks (BcN networks) as well as wired and mobile networks, including PSTN, and wireless networks such as satellite and IMT-2000.

The user terminal 10 is a terminal in which a user requests an FTP service, a VOD service, a VoIP service, etc. by accessing the web hard server 50 through an information communication network.

The web hard server 50 requests the quality assurance service from the high-speed communication service system 110 of the quality assurance service system 100 according to the request of the user terminal 10, and the service guaranteed by the quality assurance service system 100 is guaranteed. The server transmits and receives data with the user terminal 10 through the high speed communication server 130.N according to the quality level.

The quality assurance service system 100 determines the service quality level according to the characteristics of the service according to the request of the user terminal 10 to provide a service quality guarantee service for data transmission and reception between the user terminal 10 and the web hard server 50. As a providing system, a description of each component will be described later with reference to FIG. 2.

2 is a block diagram of a quality guarantee service system according to a service characteristic according to an embodiment of the present invention. Referring to the drawings, the quality assurance service system 100 includes a high speed communication service system 110, a network resource control system 120, and a plurality of high speed communication servers 130.N.

When the high speed communication service system 110 receives a request for the quality assurance service from the web hard server 50 according to the service selection related to data transmission and reception of the user terminal 10, the high speed communication service system 110 may select a user from among a plurality of high speed communication servers 130. The high speed communication server 130.N appropriate for the terminal 10 is selected. The type of service related to data transmission and reception may include a file transfer protocol (FTP) service, a video on demand (VOD) service, a voice over internet protocol (VoIP) service, and the like. Here, the high speed communication server 130.N suitable for the user terminal 10 refers to the user terminal 10 based on the position of the user terminal 10 and the access network capability among the plurality of high speed communication servers 130.N. A suitable high speed communication server 130.N.

In addition, the high-speed communication service system 110 determines a protocol, an application, and a service quality level according to the characteristics of the service (and the quality level selected by the user) requested by the user, and thus the user terminal 10 and the service quality level. A request about the service quality guarantee with the web hard server 50 is transmitted to the network resource control system 120 and the response is received. Here, the characteristics of the service refers to a service requiring a large amount of data in a very short time, a service requiring a constant amount of data, a service requiring a constant amount of data transmission, and the like, FTP service, VOD It depends on the type of service such as service, VoIP service, etc. In addition, the quality of service level includes factors such as bandwidth, loss, delay, and jitter.

Then, the high-speed communication server 130.N is instructed the action related to data transmission and reception between the user terminal 10 and the web hard server 50.

The network resource control system 120 receives a request for service quality guarantee from the high-speed communication service system 110 and controls network resources with the user terminal 10 and the web hard server 50 to control service quality according to the service quality level. Is a system to ensure. Here, in order to guarantee the quality of service, Patent Registration No. 10-476284 (Measurement-based structural resource allocation apparatus and method on the Internet) and Patent Registration No. 10-462575 (Quality guarantee service providing apparatus and method based on connection setting protocol) The technique disclosed in) can be used, but the present invention is not limited thereto.

The high speed communication server 130.N receives a command from the high speed communication service system 110 about the data transmission and reception between the user terminal 10 and the web hard server 50, and the service guaranteed by the network resource control system 120 is guaranteed. The server performs data transmission and reception between the user terminal 10 and the web hard server 50 according to the quality level.

3 is a block diagram of a quality assurance service system according to a service characteristic according to another embodiment of the present invention. Another embodiment of the present invention is an embodiment in which a user information database 211 is provided by joining a user to the quality assurance service system 200 according to a service characteristic.

Referring to the drawings, the quality assurance service system 200 includes a high speed communication service system 210, a network resource control system 220, a plurality of high speed communication servers 230. N, and a user information database 211. .

The user information database 211 is a database in which information on a high speed communication server 230.N for each user, a type of service, a protocol, an application program, and a service quality level is stored. The high speed communication server for each user means a specific high speed communication server suitable for the user terminal 10 among the plurality of high speed communication servers 230. N in consideration of the location and the access network capability of the user terminal 10.

When the high speed communication service system 210 receives the reservation request for the quality assurance service from the web hard server 50 as the user terminal 10 is driven, the high speed communication service system 210 is suitable for the user terminal 10 from the user information database 211. (230.N), look up protocols, applications, and quality of service. Then, the reservation request regarding the service quality guarantee with the user terminal 10 and the web hard server 50 according to the service quality level is transmitted to the network resource control system 220, and after the response, the user transmits the user terminal 10 to the network resource control system 220. After the user accesses the web hard server 50 and selects a service related to data transmission / reception, the web hard server 50 requests the quality assurance service, and the user terminal 10 and the high speed communication server 130.N. Instructs an action regarding data transmission and reception between the web hard servers 50.

The network resource control system 120 receives a reservation request for service quality guarantee from the high-speed communication service system 110 and controls network resources between the user terminal 10 and the web hard server 50 to control service quality according to the service quality level. Secure network resources to ensure that.

When the high speed communication server 230.N receives a command from the high speed communication service system 110 about an action regarding data transmission and reception between the user terminal 10 and the web hard server 50, the service controlled by the network resource control system 120 is guaranteed. Data transmission and reception between the user terminal 10 and the web hard server 50 is executed according to the quality level.

4 is a flowchart illustrating a quality assurance service method according to a service characteristic according to the present invention, and FIG. 5 is a diagram illustrating a quality assurance service method according to a service characteristic according to the present invention for each network subject.

4 and 5, the user first accesses the web hard server 50 using the user terminal 10, and then selects a service related to data transmission and reception (step S110). Types of services related to data transmission and reception may include a File Transfer Protocol (FTP) service, a Video On Demand (VOD) service, a Voice over Internet Protocol (VoIP) service, a Multimedia Mail over IP (MMoIP) service, and the like.

Then, the web hard server 50 requests the high speed communication service system 110 for the quality assurance service in the service related to data transmission and reception selected by the user, and the high speed communication service system 110 receives the step (S120). ). The quality assurance service request may include information regarding a type of service and a file capacity.

The high speed communication service system 110, which has received the quality assurance service request in step S120, selects a high speed communication server 130.N suitable for the user terminal 10 from a plurality of high speed communication servers 130.N, and requests the user. The protocol, application, and service quality level are determined according to the characteristics of the service (step S130). The high speed communication server 130.N suitable for the user terminal 10 means a high speed communication server 130.N suitable for the user terminal 10 based on the location of the user terminal 10 and the capability of the access network. do. Here, the access network capability is the capability of the Internet network that the user terminal 10 subscribes to and uses an Internet service provider (ISP). Bandwidth, jitter, loss, delay, etc.). Data regarding the location and access network capability of the user terminal 10 may be collected from a subscriber access controller, an access network topology management and control device, a core network topology management and control device, and the like.

On the other hand, the characteristics of the service can be determined according to the type of service (FTP service, VOD service, VoIP service), as mentioned above, a service requiring a large amount of data in a very short time, a constant amount of It can be divided into services that require data reception and services that require constant amount of data transmission and reception. Services that require a large amount of data reception in a very short time may include an FTP service, in which case the maximum rate for limited delay and lossless data transfer for a very short time. ) Should be a service. On the other hand, a service that needs to receive a constant amount of data may be a VOD service, in this case, it must be possible to enable the download service while maintaining a constant bandwidth of large media files. Services that require a constant amount of data transmission and reception may include a VoIP service and an MMoIP service. In this case, a limited delay and a lossless media exchange should be available.

Meanwhile, the quality of service level includes factors such as bandwidth, loss, delay, and jitter, and each degree is related to the quality of service.

After determining the protocol, application, and service quality level in step S130, the high-speed communication service system 110 makes a network request for service quality guarantee with the user terminal 10 and the web hard server 50 according to the service quality level. Transfer to the resource control system 120, and receives a response to the request from the network resource control system 120 (step S140). In this case, the request regarding the service quality guarantee includes information on the service quality level, an IP address or domain name of the user terminal, an IP address or domain name of the web hard server 50, and an IP of the high speed communication server 130.N. An address or domain name can be included.

When receiving a response from the network resource control system 120 (success) in step S140, the high speed communication service system 110 to the user terminal 10 and the web hard to the specific high speed communication server (130.N) selected in step S130 Instructs an action regarding data transmission and reception (upload and / or download) between the servers 50 (step S150).

Then, the high speed communication server (130.N) to provide the protocol and the application program to the user terminal 10 provided that the protocol and the application program determined in step S130 does not exist in the user terminal 10.

Then, according to the service quality level guaranteed by the network resource control system 120, the high speed communication server 130.N performs data transmission and reception between the user terminal 10 and the web hard server 50 (step S160). .

6 is a flowchart illustrating a quality guarantee service method according to a service characteristic according to the present invention, and FIG. 7 is a diagram illustrating a quality guarantee service method according to a service characteristic according to the present invention for each network subject.

6 and 7, first, the user turns on and drives the user terminal 10, and the web hard server 50 receives the fact that the user terminal 10 is driven (step S210). This allows a program that can access the web hard server 50 to be executed automatically when the user terminal 10 is driven so that the fact that the user terminal 10 is driven is automatically transmitted to the web hard server 50. Can be.

Then, the web hard server 50 requests the high-speed communication service system 210 to reserve the quality assurance service, and the high-speed communication service system 210 receives it (step S220).

The high speed communication service system 210 inquires a high speed communication server 230.N, a protocol, an application program, and a service quality level appropriate to the user terminal 10 from a database in which user information is stored (step S230). Then, the high speed communication service system 210 transmits a reservation request for service quality guarantee with the user terminal 10 and the web hard server 50 according to the service quality level to the network resource control system 220, and the network resource. Receive a response to the request from the control system 220 (step S240).

When receiving a response of success from the network resource control system 220, network resources are secured to ensure the quality of service with the user terminal 10 and the web hard server 50.

In this state, as the user connects to the web hard server 50 using the user terminal 10 and selects a service related to data transmission and reception, the web hard server 50 provides the quality to the high speed communication service system 210. Request a guaranteed service (S250 step). Then, the high speed communication service system 210 instructs the specific high speed communication server 230.N in step S230 about the data transmission and reception between the user terminal 10 and the web hard server 50 (step S260). .

The high speed communication server 230.N receiving the command in step S260 executes data transmission and reception between the user terminal 10 and the web hard server 50 according to the quality of service level guaranteed by the network resource control system 220 ( S270 step).

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

According to an aspect of the present invention, since it provides an appropriate QoS (Service Quality) guarantee service according to the characteristics of the service type requested by the user, such as FTP service, VOD service, VoIP service, it efficiently distributes network resources and at the same time It can increase your satisfaction.

According to another aspect of the present invention, the user can be provided with a service quality assurance service more quickly by operating in a membership system through subscription and pre-selecting the user and securing network resources according to the service type and service quality in advance.

Claims (13)

A method of providing a quality assurance service according to a service characteristic to a user terminal and a web hard server by a quality assurance service system according to a service characteristic including a high speed communication service system, a network resource control system, and a plurality of high speed communication servers, a) when the web hard server requests the quality assurance service as the user selects a service related to data transmission and reception after accessing the web hard server using the user terminal, the high speed communication service system receiving the quality guarantee service; b) selecting, by the high-speed communication service system, a high-speed communication server suitable for the user terminal from among a plurality of high-speed communication servers, and determining a protocol, an application program, and a service quality level according to the characteristics of the service requested by the user; c) the high speed communication service system transmits a request regarding service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and responds to the request from the network resource control system. Receiving; d) the high speed communication service system instructing the high speed communication server selected in step b) about an action related to data transmission and reception between the user terminal and the web hard server; And, e) executing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system; Quality assurance service method according to the service characteristics, characterized in that it comprises a. The method of claim 1, The type of service related to data transmission and reception in step a) is Quality assurance service method according to the service characteristics, characterized in that the FTP service, VOD service, VoIP service. The method of claim 1, In the request for quality assurance service in step a), Quality assurance service method according to the service characteristics, characterized in that the information on the type of service is included. The method of claim 1, In the request for quality assurance service in step a), Quality assurance service method according to the service characteristics, characterized in that it includes information on the service type and file capacity. The method of claim 1, The high speed communication server suitable for the user terminal in step b), And a high speed communication server suitable for the user terminal based on the location of the user terminal and the capability of the access network. The method of claim 5, Data regarding the location and access network capabilities of the user terminal, Quality assurance service method according to the service characteristics, characterized in that collected from the subscriber access control device, access network topology management and control device. The method of claim 1, The characteristics of the service in step b), Quality assurance service method according to the service characteristics, characterized in that determined according to the type of service. The method of claim 1, In the service quality level in step b), Quality assurance service method according to the service characteristics, characterized in that the bandwidth (band), (loss), delay (delay), and jitter. The method of claim 1, In the request regarding the service quality guarantee of step c), The service quality level determined in step b), the IP address or domain name of the user terminal, the IP address or domain name of the web hard server, and the IP address or domain name of the high speed communication server. Quality assurance service method according to the characteristic of the service. The method of claim 1, Step e), e1) providing the protocol and application program to the user terminal under the condition that the protocol and application program determined in step b) do not exist in the user terminal; And, e2) performing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system; Quality assurance service method according to the service characteristics, characterized in that it comprises a. A method of providing a quality assurance service according to a service characteristic to a user terminal and a web hard server by a quality assurance service system according to a service specification including a high speed communication service system, a network resource control system, and a plurality of high speed communication servers, a) when the web hard server requests the reservation of the quality assurance service as the user drives the user terminal, the high speed communication service system receiving the reservation; b) the high speed communication service system inquiring a high speed communication server, a protocol, an application program, and a quality of service level appropriate for the user terminal from a database in which the user information is stored; c) the high-speed communication service system transmits a reservation request regarding service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and transmits a request for the request from the network resource control system. Receiving a response; d) If the web hard server requests the quality assurance service as the user selects a service related to data transmission and reception after accessing the web hard server using the user terminal, the high speed communication service system performs the step b). Instructing an inquired high speed communication server of an action relating to data transmission and reception between the user terminal and the web hard server; And, e) executing, by the high speed communication server, data transmission and reception between the user terminal and the web hard server according to the service quality level guaranteed by the network resource control system; Quality assurance service method according to the service characteristics, characterized in that it comprises a. A quality assurance service system according to a service characteristic that provides a quality assurance service according to a service characteristic to a user terminal and a web hard server, Upon receiving a request for the quality assurance service from the web hard server according to the service selection related to data transmission and reception of the user terminal, selecting a high speed communication server suitable for the user terminal from a plurality of high speed communication servers, and according to the characteristics of the service requested by the user Determine a protocol, an application, and a service quality level, and transmit a request regarding service quality guarantee with the user terminal and the web hard server according to the service quality level to a network resource control system, and according to the response, high-speed communication A high speed communication service system instructing a server of an action relating to data transmission and reception between the user terminal and the web hard server; A network resource control system which receives a request for service quality guarantee from the high speed communication service system and controls network resources between the user terminal and the web hard server to guarantee service quality according to the service quality level; And, When receiving an action regarding data transmission and reception between the user terminal and the web hard server from the high speed communication service system, data transmission and reception between the user terminal and the web hard server is performed according to the service quality level guaranteed by the network resource control system. A high speed communication server executing; Quality assurance service system according to the service characteristics, characterized in that it comprises a. A quality assurance service system according to a service characteristic that provides a quality assurance service according to a service characteristic to a user terminal and a web hard server, A user information database storing information on a high speed communication server for each user, a type of service, a protocol, an application program, and a service quality level; When the user terminal receives the reservation request for the quality assurance service from the web hard server as the user terminal is driven, the user information database retrieves the appropriate high speed communication server, protocol, application program, and service quality level from the user information database. The reservation request for guaranteeing the quality of service between the user terminal and the web hard server according to the present invention is transmitted to a network resource control system, and after the user connects to the web hard server using the user terminal, A high speed communication service system instructing a high speed communication server to perform an action relating to data transmission / reception between the user terminal and the web hard server when the web hard server requests a quality assurance service according to selecting a service; Network resource control that secures network resources to ensure service quality according to the service quality level by controlling a network resource between the user terminal and the web hard server by receiving a reservation request for service quality guarantee from the high speed communication service system. system; And, When receiving an action regarding data transmission and reception between the user terminal and the web hard server from the high speed communication service system, data transmission and reception between the user terminal and the web hard server is performed according to the service quality level guaranteed by the network resource control system. A high speed communication server executing; Quality assurance service system according to the service characteristics, characterized in that it comprises a.

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