KR20080006695A - Ims software support qos in diffserv network - Google Patents

Ims software support qos in diffserv network Download PDF

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Publication number
KR20080006695A
KR20080006695A KR1020060065712A KR20060065712A KR20080006695A KR 20080006695 A KR20080006695 A KR 20080006695A KR 1020060065712 A KR1020060065712 A KR 1020060065712A KR 20060065712 A KR20060065712 A KR 20060065712A KR 20080006695 A KR20080006695 A KR 20080006695A
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South Korea
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ims
quality
message
user
network
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KR1020060065712A
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Korean (ko)
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김영한
이영석
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김영한
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

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  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A quality information request method of a session-based program user located in a differentiated QoS(Quality of Service) supply network is provided to develop IMS(IP Multimedia Subsystem)-based software suitable for various quality supply networks even in the differentiated QoS supply network and in a WCDMA(Wideband Code Division Multiple Access) network. An IMS-based software user transmits a call setup request message 'INVITE' to an IMS server by using an IMS module(10). If a response message '183' is received, the IMS module(10) extracts SDP information of the response message to convert the extracted information into a user quality demand message. The user quality demand message is transmitted to an edge router of a differentiated QoS supply network, and a message 'PRACK' indicative of arrival of the response message is transmitted to the IMS server. A message for recording information on quality supply availability is received from the edge router.

Description

차등화 서비스 품질 제공 네트워크에 위치한 세션 기반 프로그램 사용자의 품질 정보 요청법{IMS software support QoS in DiffServ Network}IMS software support QoS in DiffServ Network}

도 1은 본 발명에 따른 IMS 기반 소프트웨어의 전체 구성도이다.1 is an overall configuration diagram of IMS-based software according to the present invention.

도 2는 본 발명에 따른 IMS 기반 호 설정 절차이다.2 is an IMS based call setup procedure according to the present invention.

도 3은 본 발명에 따른 사용자 품질정보 요청 방법의 절차이다.3 is a procedure of a method for requesting user quality information according to the present invention.

도 4는 본 발명에 따른 사용자 품질정보 메시지 형식이다.4 is a user quality information message format according to the present invention.

본 발명은 차등화 서비스 품질제공 네트워크에 위치한 IMS 기반 소프트웨어 사용자의 품질정보 요청방법에 관한 것이다.The present invention relates to a method for requesting quality information of an IMS-based software user located in a differential service quality providing network.

종래의 멀티미디어 서비스를 지원하기 위한 호 설정 표준인 SIP 프로토콜만으로는 사용자 품질정보를 품질제공 네트워크에 요청할 수 없다. 이에 3GPP에서 연구중인 IMS 품질제공 방식을 사용하면 사용자 품질정보를 요청할 수 있지만 이는 WCDMA 망에만 국한된 연구내용이다. 따라서 차등화 서비스 품질 제공 네트워크에 위치한 IMS 기반 소프트웨어 사용자는 차등화 서비스 품질 제공 네트워크 맞는 품질제공 방식이 요구된다.The SIP protocol, which is a call setup standard for supporting a conventional multimedia service, cannot request user quality information from a quality providing network. Therefore, if IMS quality provision method under study in 3GPP is used, user quality information can be requested, but this is only for the WCDMA network. Therefore, IMS-based software users located in the differentiated service quality providing network are required to have a quality providing method suitable for the differentiated service quality providing network.

본 발명은 IMS 기반 소프트웨어 사용자가 WCDMA 접속망 뿐만 아니라 차등화 서비스 품질제공 네트워크에 위치할 경우에도 사용자 품질정보를 요청하여 그에 맞는 품질정도를 만족시키기 위한 방법을 위한 것이다.The present invention is for a method for requesting user quality information and satisfying a quality level when an IMS-based software user is located not only in a WCDMA access network but also in a differential service quality providing network.

본 발명은 3GPP에서 표준화된 IMS 기반 사용자가 차등화 서비스 품질제공 네트워크에 위치할 경우에도 사용자 품질 정도를 만족시키기 위해 도1과 같은 전체 구조를 가진다.The present invention has the overall structure as shown in FIG. 1 to satisfy the user quality degree even when the IMS-based user standardized in 3GPP is located in the differential service quality providing network.

IMS 기반 소프트웨어 사용자는 먼저 IMS 모듈(10)을 이용하여 호 설정 요청 메시지인 INVITE(가)를 IMS 서버에게 전송한다. 이에 대한 응답 메시지로 183(나)을 받으면 IMS 모듈(10)은 183(나) 응답메시지의 SDP 정보를 추출하여 사용자 품질요청 메시지(카)로 변환시킨다. SDP 정보와 사용자 품질요청 메시지(카)는 도4와 같은 형식을 가진다.The IMS-based software user first uses the IMS module 10 to send INVITE, a call setup request message, to the IMS server. Upon receiving 183 (b) as a response message, the IMS module 10 extracts SDP information of the 183 (b) response message and converts the SDP information into a user quality request message (car). The SDP information and the user quality request message (car) have a format as shown in FIG.

생성된 사용자 품질요청 메시지(카)는 차등화 서비스 품질제공 네트워크의 Edge 라우터에게 전송하고 이와 동시에 183(나) 메시지가 잘 도착했음을 알리는 PRACK(다) 메시지를 IMS 서버에게 전송한다. IMS 기반 소프트웨어는 PRACK(다)에 대한 응답으로 200(라) 메시지를 수신하고 이와 동시에 품질제공 가능 여부에 대한 정보가 기록된 메시지(타)를 Edge 라우터로 부터 전송받는다.The generated user quality request message (car) is transmitted to the edge router of the differential quality of service network and at the same time transmits a PRACK (c) message to the IMS server indicating that the 183 (b) message arrived well. The IMS-based software receives the 200 (d) message in response to the PRACK (c) and at the same time receives the message (ta) from the edge router, which records information on quality availability.

IMS 기반 소프트웨어는 품질 제공 가능 여부를 UPDATE(마) 메시지의 SDP 정보에 기록하여 IMS 서버에게 전송한다. 이후 IMS 기반 소프트웨어는 200(바) 응답 메시지를 전송받고, 전화벨이 울리는 시점인 180(사) 응답메시지 이후 마지막 응답메시지인 200(아)을 받으면 IMS 기반 소프트웨어의 호 설정 절차를 끝마치게 된다.The IMS-based software records whether the quality can be provided in the SDP information of the UPDATE message and sends it to the IMS server. Thereafter, the IMS-based software receives the 200 (bar) response message, and receives the 200 (h), the last response message after the 180 (company) response message, when the telephone rings, and ends the call setup procedure of the IMS-based software.

이후 음성 모듈(30)에 의해 사용자의 음성이 전송된다. 이때 전송되는 음성패킷은 사용자 품질정도가 차등화 서비스 품질제공 네트워크에 의해 지원된다.Thereafter, the voice of the user is transmitted by the voice module 30. At this time, the transmitted voice packet is supported by the network providing quality of service for which the user quality is different.

도2는 위에서 설명한 IMS 기반 프로그램 사용자의 전체 호 설정 절차에 대해 도시화 하였다. Figure 2 illustrates the overall call setup procedure of the IMS-based program user described above.

본 발명은 한국의 광대역 네트워크의 전송망으로 지정된 차등화 서비스 망에 적합한 품질정보 요청 방법으로 3GPP 유럽시장에 겨냥된 IMS 기반망이 한국의 BcN 망에 적용되는 시점에서 경제성 및 효율성이 높은 유용한 발명이다.The present invention is a method of requesting quality information suitable for a differentiated service network designated as a transmission network of Korea's broadband network.

Claims (3)

IMS 기반 소프트웨어 사용자가 차등화 서비스 품질제공 네트워크에 위치할 경우 사용자 품질제공 요청에 대한 방법Method for requesting user quality provision if IMS-based software user is located in the differential service quality provision network 제1항에 있어서 IMS기반 소프트웨어의 IMS 모듈(10)과 QoS 모듈(20)간의 메시지 변환방법The method of claim 1, wherein the message conversion method is performed between the IMS module 10 and the QoS module 20 of the IMS-based software. 제1항에 있어서 QoS 모듈로 전송된 사용자 품질요청 메시지의 형식(도4)The format of the user quality request message sent to the QoS module according to claim 1 (FIG. 4).
KR1020060065712A 2006-07-13 2006-07-13 Ims software support qos in diffserv network KR20080006695A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620767A (en) * 2019-09-16 2019-12-27 南京南瑞信息通信科技有限公司 Office software speed dialing method and system based on IMS core network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620767A (en) * 2019-09-16 2019-12-27 南京南瑞信息通信科技有限公司 Office software speed dialing method and system based on IMS core network

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