KR970056249A - Service quality control method of multimedia information on WWW - Google Patents

Service quality control method of multimedia information on WWW Download PDF

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Publication number
KR970056249A
KR970056249A KR1019950048731A KR19950048731A KR970056249A KR 970056249 A KR970056249 A KR 970056249A KR 1019950048731 A KR1019950048731 A KR 1019950048731A KR 19950048731 A KR19950048731 A KR 19950048731A KR 970056249 A KR970056249 A KR 970056249A
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South Korea
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client
qos value
qos
server
value
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KR1019950048731A
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Korean (ko)
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KR0150282B1 (en
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김광수
신명기
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양승택
한국전자통신연구원
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Priority to KR1019950048731A priority Critical patent/KR0150282B1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]

Abstract

본 발명은 월드 와이트 웹(World-Wide Web : 이하, WWW라 칭함) 상에서 클라이언트-서버(Clinet-Server)구조로 전송되는 다양한 멀티미디어 정보의 서비스 품질(이하, QoS라 칭함)을 사용자가 지정 제어하거나 네트웍의 상태에 따라 조절하는 방법에 관한 것으로, 미디어 별로 품질기준 및 품질 분류에 따라 적절한 클라이언트 서비스품질 값(QoS)을 선택하는 제1단계: 상기 제1단계에서 지정된 클라이언트 QoS값과 함께 서버에 정보를 요청하고, 서버는 다시 서버 QoS값과 클라이언트 QoS값을 비교하여 협상된 QoS값을 정한 후, 여기에 일치하는 품질을 가진 정보로 변환하여 협상된 QoS값과 함께 해당 정보를 전송하는 제2단계: 및 제어방식이 사용자 제어방식이면 클라이언트 QoS를 재지정하고, 적응 제어방식이면 협상된 QoS값과 이용가능 대역폭을 비교하여 클라이언트 QoS값을 재설정하는 제3단계로 수행되는 것을 특징으로 한다.According to the present invention, the user designates and controls the quality of service (hereinafter, referred to as QoS) of various multimedia information transmitted in a client-server structure on the World-Wide Web (hereinafter, referred to as WWW). A method of controlling according to a network state, the method comprising: selecting an appropriate client quality of service value (QoS) according to a quality standard and a quality classification for each media: information on a server together with a client QoS value specified in the first step Requesting the server, the server again compares the server QoS value with the client QoS value to determine the negotiated QoS value, and then converts the information with the quality corresponding thereto to transmit the information together with the negotiated QoS value. If the control method is a user control method, the client QoS is redirected. If the control method is an adaptive control method, the client QoS is compared by comparing the negotiated QoS value with the available bandwidth. Claim characterized in that the step of performing a reset.

Description

WWW 상에서 멀티미디어 정보의 서비스품질 제어방법(Method for Controlling Quality of Service of Multi-Media Data on World-Wide Web)Method for Controlling Quality of Service of Multi-Media Data on World-Wide Web

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명이 적용되는 WWW의 모형도.1 is a model of the WWW to which the present invention is applied.

제3도는 본 발명에 따른 멀티미디어 정보 및 QoS값의 전송절차를 도시한 흐름도.3 is a flowchart illustrating a procedure of transmitting multimedia information and a QoS value according to the present invention.

제4도는 본 발명에 따른 서비스 품질 제어방법을 적용한 멀티미디어 정보처리의 흐름도.4 is a flowchart of multimedia information processing applying the service quality control method according to the present invention.

Claims (4)

클라이언트-서버 구조를 갖는 WWW상에서 지원되는 멀티미디어 정보의 서비스품질 제어방법에 있어서, 미디어 별로 품질기준 및 품질분류에 따라 적절한 클라이언트 서비스품질 값(QoS)을 선택하는 제1단계; 상기 제1단계에서 지정된 클라이언트 QoS값과 함께 서버에 정보를 요청하고, 서버는 다시 서버 QoS값과 클라이언트 QoS값을 비교하여 협상된 QoS값을 정한 후, 여기에 일치하는 품질을 가진 정보로 변환하여 협상된 QoS값과 함께 해당 정보를 전송하는 제2단계; 및 제어방식이 사용자 제어방식이면 클라이언트 QoS를 재지정하고, 적응 제어방식이면 상기 제2단계에서 파악된 협상된 QoS값과 이용가능 대역폭을 비교하여 클라이언트 QoS값을 재설정하는 제3단계로 수행되는 것을 특징으로 하는 WWW상에서 멀티미디어 정보의 서비스품질 제어방법.A service quality control method of multimedia information supported on a WWW having a client-server structure, the method comprising: a first step of selecting an appropriate client quality of service (QoS) according to quality criteria and quality classification for each media; Requesting information from the server with the client QoS value specified in the first step, the server again compares the server QoS value with the client QoS value, determines the negotiated QoS value, and then converts the information with the quality corresponding thereto. Transmitting a corresponding information together with the negotiated QoS value; And if the control method is a user control method, reassigns the client QoS, and if it is an adaptive control method, compares the negotiated QoS value identified in the second step with the available bandwidth and resets the client QoS value. Quality control method of multimedia information on WWW. 제1항에 있어서, 상기 제1단계는 QoS 제어가 지원되는 WWW 클라이언트의 제어메뉴에서 각 미디어 별로 선택된 QoS값을 시스템 화일에 저장하는 제1과정; 및 주소(URL)를 지정하여 서버에 요청시 클라이언트의 QoS값도 함께 전송하는 제2과정으로 수행되는 것을 특징으로 하는 WWW상에서 멀티미디어 정보의 서비스품질 제어방법.The method of claim 1, wherein the first step comprises: a first step of storing, in a system file, a QoS value selected for each media in a control menu of a WWW client supported with QoS control; And a second process of transmitting a QoS value of the client upon request to the server by designating an address (URL). 제1항에 있어서, 상기 제2단계는 서버가 서버 QoS값을 기준으로 클라이언트 QoS값과 비교 후 협상된 QoS값을 생성하는 제1과정; 및 클라이언트의 요구에 따라 품질의 하향 조정이 필요한 경우 서버가 필요 연산을 수행하고 나서 클라이언트에 협상된 QoS값에 일치하는 멀티미디어 정보를 협상된 QoS값과 함께 클라이언트로 전송하는 제2과정으로 수행되는 것을 특징으로 하는 WWW상에서 멀티미디어 정보의 서비스품질 제어방법.The method of claim 1, wherein the second step comprises: a first step of the server generating a negotiated QoS value after comparing with the client QoS value based on the server QoS value; And performing a second operation of transmitting, by the server, multimedia information corresponding to the QoS value negotiated to the client to the client together with the negotiated QoS value when the downgrade of the quality is required according to the client's request. A service quality control method of multimedia information on a WWW. 제1항에 있어서, 상기 제3단계는 협상된 QoS값을 수신한 클라이언트가 사용자 제어방식을 원하는 경우 다시 서버에게 정보를 요청하거나 클라이언트 QoS 제어메뉴로 돌아가 원하는 값으로 QoS값을 재지정하는 제1과정; 적응제어 방식을 원하는 경우에는 협상된 QoS값과 함께 보통 전송속도로 특징지울 수 있는 이용가능 대역폭을 비교하는 제2과정; 상기 제2과정에서의 비교의 결과 기준대역폭이 이용가능 대역폭에 못 미치는 경우에는 협상된 QoS값을 클라이언트 QoS값으로 지정하고 그렇지 않은 경우에는 이용가능 대역폭에 따라 클라이언트 QoS값을 수정하는 제3과정; 및 상기 제3과정에 의해 수정된 QoS값이 시스템 화일에 갱신되어 WWW 클라이언트의 QoS 제어메뉴에서 읽혀지는 제4과정으로 수행되는 것을 특징으로 하는 WWW상에서 멀티미디어 정보의 서비스품질 제어방법.The method of claim 1, wherein the third step includes a first step of requesting information from the server or returning to the client QoS control menu when the client receiving the negotiated QoS value desires a user control scheme and reassigns the QoS value to a desired value. ; A second step of comparing the available bandwidth, which can be characterized at a normal transmission rate, with the negotiated QoS value if an adaptive control scheme is desired; A third step of designating a negotiated QoS value as a client QoS value if the reference bandwidth is less than the available bandwidth as a result of the comparison in the second step; otherwise modifying the client QoS value according to the available bandwidth; And a fourth process of updating the QoS value modified by the third process into a system file and reading the QoS control menu of the WWW client. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950048731A 1995-12-12 1995-12-12 Service quality control method of multimedia information in www KR0150282B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000039328A (en) * 1998-12-12 2000-07-05 구자홍 Method for processing hyper text markup language of web browser
KR20210081167A (en) * 2019-12-23 2021-07-01 주식회사 케이티 QoS MEDIATION APPARATUS AND METHOD OF QoS CONTROL

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100679013B1 (en) 2004-08-11 2007-02-05 삼성전자주식회사 Network device and data transmitting method using network device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000039328A (en) * 1998-12-12 2000-07-05 구자홍 Method for processing hyper text markup language of web browser
KR20210081167A (en) * 2019-12-23 2021-07-01 주식회사 케이티 QoS MEDIATION APPARATUS AND METHOD OF QoS CONTROL

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