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충남대학교대학원 컴퓨터공학과 박사1년차 석박사통합과정 데이터베이스시스템연구실 Yim, Hyung-jun
 
 

Web Services on Universal Networks

DB Lab/Paper 2007 | 2008/03/20 21:50 | Posted by Yim, Hyung-jun
International Conference on Ubiquitous Information Management and Communication 2008 (ICUICM 2008)

This research was supported by the Ministry of Information and Communication, Korea, under the College Information Technology Research Center Support Program, grant number IITA-2006-C1090-0603-0031.

Web Services on Universal Networks

Yun-Young Hwang1 yyhwang@cnu.ac.kr

Il-Jin Oh1 victory25@cnu.ac.kr

Hyung-Jun Yim1 hyungjun25@cnu.ac.kr

Kyong-Ha Lee1 bart7449@gmail.com

Kangchan Lee2 chan@etri.re.kr

Seungyun Lee2 syl@etri.re.kr

Kyu-Chul Lee1 kclee@cnu.ac.kr


 

1 Department of Computer Engineering,

Chungnam National Universigy, Gung-Dong, Yusung-Gu, Dajeon, Korea

 

2 Electronic and Telecommunications Research Institute,
Doryong-Dong, Yusung-Gu, Dajeon, Korea

 


 

ABSTRACT

The clients, in ubiquitous environment, want to be consistently offered services at any time and in any places. There are so many service discovery middleware such as Jini, UPnP and HAVi. Each one of them supports different communication protocol. Therefore, when the clients ask an inquiry of service search, they have to support communication protocol of all service discovery middleware. Namely, all the cost shall be borne by the customer. In addition, these middleware does not consider the service location and status. To solve these problems, we suggest the SOA-based framework is Web Services on Universal Networks. The framework supports a dynamic service discovery through the interoperability between service discovery middleware. Furthermore, it considers service location and status at service discovery process.

Categories and Subject Descriptors

A.0 [General]: Conference proceedings

C.2.4 [Computer-Communication Networks]: Distributed Systems – Client/Server, Distributed applications, Network operating systems

J.7 [Computer in Other Systems]: Publishing, Real time

K.6.3 [Management of Computing and Information Systems]: Software Management – Software development, Software maintenance, Software process

General Terms

Management, Design, Reliability, Human Factors and Standardization

Keywords

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Ubiquitous, Dynamic Services Discovery and Web Services








Web Services on Universal Networks.pdf

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유비쿼터스 웹서비스 환경의 DPWS와 웹서비스의 상호운용성을 위한 DPWS 어댑터 설계  (0) 2008/03/20
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유비쿼터스 웹서비스 환경의 DPWS와 웹서비스의 상호운용성을 위한 DPWS 어댑터 설계

DB Lab/Paper 2007 | 2008/03/20 21:45 | Posted by Yim, Hyung-jun

한국정보과학회 추계학술대회 2007
본 연구는 정보통신부 및 정보통신연구진흥원의 대학 IT 연구센터 육성지원사업 (IITA-2005-C1090-0502-0016)의 연구비 지원으로 수행하였습니다.

유비쿼터스 웹서비스 환경의 DPWS와 웹서비스의

상호운용성을 위한 DPWS 어댑터 설계*

임형준O1 오일진1 황윤영1 이강찬2 이승윤2 이규철1†

1충남대학교 컴퓨터공학과

2한국전자통신연구원

{hyungjun25O1, victory251, yyhwang1, kclee1}@cnu.ac.kr

{chan2, syl2}@etri.re.kr
Design of DPWS Adaptor for Interoperability between Web Services and DPWS in Web Services on Universal Networks

Hyung-Jun YimO1 Il-Jin Oh1 Yun-Young Hwang1 Kangchan Lee2

Seungyun Lee2 Kyu-Chul Lee1

1Department of Computer Engineering, Chungnam National University

Electronic and Telecommunications Research Institute

요   약

유비쿼터스 환경에서는 서비스 사용자가 언제, 어디서나 모든 서비스를 사용할 수 있어야 한다. 즉, 디바이스나 서비스의 상태, 위치 정보 등 특성에 관계 없이 동질의 서비스를 제공해야 한다. 이를 위해, 산재한 이질적인 서브네트워크의 상호운용성을 위한 다양한 분산 시스템의 네트워크 프로토콜과 디바이스간의 통신을 통합하기 위한 연구가 필요하다. 서브네트워크의 상호운용성을 위해서는 메시지 전송 및 변환 기능이 요구되며, 서브네트워크의 변화를 동적으로 감지하여 서비스 사용자에게 알려주어야 한다.
  따라서 본 연구에서는 유비쿼터스 웹서비스를 지원하기 위한 Web Services on Universal Networks를 제안하였다. 제안하는 WSUN은 Universal Service Broker의 프레임워크를 통해 SOA 기반으로 접근하고 있으며 요구 사항을 정의하여 필요한 구성 요소에 대한 설계하였다. 또한, 동적인 서비스 검색을 위한 Universal Service Registry를 사용한다. 본 논문에서는 DPWS의 동작 시나리오를 통해 이질적인 서브네트워크의 상호운용성을 지원하기 위한 DPWS 어댑터를 설계한다.

[완료]유비쿼터스 웹서비스 환경의 DPWS와 웹서비스의 상호운용성을 위한 DPWS 어댑터 설계.pdf

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Design of the Adaptor for interoperability between sub-networks in US Broker

DB Lab/Paper 2007 | 2008/03/20 21:41 | Posted by Yim, Hyung-jun
NEXT 2007

This research was supported by the Ministry of Information and Communication, Korea, under the College Information Technology Research Center Support Program, Grant Number IITA-2006-C1090-0603-0031

Design of the Adaptor for interoperability between sub-networks in US Broker


 

Il-Jin Oh1, Hyung-Jun Yim1, Yun-Young Hwang1, Kangchan Lee2, Seungyun Lee2 and Kyu-Chul1

1Department of Computer Engineering Chungnam National University / Daejeon, The Republic of Korea

2 Electronics and Telecommunications Research Institute / Daejeon, The Republic of Korea

{victory25, hyungjun25, yyhwang, kclee}@cnu.ac.kr1, {chan, syl}@etri.re.kr2

 


Abstract

In the ubiquitous environment, users are able to use any kinds of services at anytime and in any spaces. There are various services and devices, has flexible character, in that environment. So, users must search the services using by service discovery middlewares (called the sub-network) such as Jini, UPnP and HAVi. However, these sub-networks have the problems that don’t support interoperability between them. To solve these problems, there are the researches such as Open Services Gateway initiative (OSGi) and Domotic Networks (DomoNet). Goal of them is integration between services in the sub-network. And the Web Services on Universal Networks (WSUN) is the research for integration between the services and devices. US Broker in WSUN, makes that the users can use the all kinds of services in sub-networks. The US Broker applies and stores the services information on registry. For this purpose, Adaptor, is core component of US Broker, makes the virtual web services that face each services in sub-network. In this paper, we design the full Adaptor to support the interoperability between the sub-networks.

Keywords

Ubiquitous, Jini, US Broker, Ubiquitous Web services


[완료]Design of the Adaptor for interoperability between s.pdf

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Universal Service Discovery Protocol

DB Lab/Paper 2007 | 2008/03/20 21:38 | Posted by Yim, Hyung-jun
2007 International Conference on Convergence Information Technology (ICCIT'07)
This research was supported by the Ministry of Information and Communication, Korea, under the College Information Technology Research Center Support Program, grant number IITA-2006-C1090-0603-0031.

Universal Service Discovery Protocol

 

Yun-Young Hwang[1], Il-Jin Oh, Hyung-Jun Im, Kyu-Chul Lee[2],

Department of Computer Engineering, Chungnam National University

{yyhwang, victory25, hyungjun25, kclee}@cnu.ac.kr

Kangchan Lee, Seungyun Lee

Electronics and Telecommunications Research Institute

{chan, syl}@etri.re.kr

 

 

Abstract

 

In ubiquitous computing, client should be able to discovery and use any kind of services whenever and wherever they are. We need the service discovery protocol for realization of ubiquitous. This protocol must be reflex dynamic feature of ubiquitous such as service status and location. WS-Discovery, which support peer to peer environment, must find the service every time when the clients required the service. Also, this protocol only support the SOAP based protocol. This fact brings the problem that it does not support interoperability between sub-networks. To solve these problems, we apply the Universal Service Discovery Protocol. It supports any type of service discovery and interoperability between sub-networks. Also, this protocol reflects the features of ubiquitous.

[1] First Author

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Design of DPWS Adaptor for Interoperability between Web Services and DPWS in Web Services on Universal Networks

DB Lab/Paper 2007 | 2008/03/20 21:34 | Posted by Yim, Hyung-jun
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Design of DPWS Adaptor for Interoperability between Web Services and

DPWS in Web Services on Universal Networks

 

 

Hyung-Jun Yim, Il-Jin Oh, Yun-Young Hwang, Kyu-Chul Lee

Department of Computer Engineering, Chungnam National University

{hyungjun25, victory25, yyhwang, kclee}@cnu.ac.kr

 

Kangchan Lee, Seungyun Lee

Electronics and Telecommunications Research Institute

{chan, syl}@etri.re.kr

 

 

Abstract

 

In ubiquitous computing, clients should be able to use any kinds of services whenever and wherever they are. Service has the same quality without concerned with characteristics such as the status and location of services or devices. Because the characteristics are dynamically changed, a Sub-network is difficult to reflect all the changes. So, there are various Sub-networks. It is necessary to integrate communication between Sub-networks with interoperability. For this reason, a system must support data transmission and conversion. It also has to indicate dynamic detection of the Sub-network service by events and notifications. So, we introduced WSUN environment which is composed of US Broker, US Registry and UniA for using universal service. This paper designs the DPWS Adaptor for providing universal service through operational scenario of DPWS.

 

Keywords-component; Adaptor, Interoperability, Web Services, DPWS

[완료]Design of DPWS Adaptor for Interoperability between .pdf

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UWS Broker for Ubiquitous Web Services Dynamic Discovery

DB Lab/Paper 2007 | 2008/03/20 21:31 | Posted by Yim, Hyung-jun
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UWS Broker for Ubiquitous Web Services Dynamic Discovery

 

 

Yun-Young Hwang[*], Il-Jin Oh, Hyung-Jun Im, Kyoung-Ha Lee, Kyu-Chul Lee[†],

Department of Computer Engineering, Chungnam National University

{yyhwang, victory25, hyungjun25}@cnu.ac.kr, bart7449@gmail.com, kclee@cnu.ac.kr

Kangchan Lee, Seungyun Lee

Electronics and Telecommunications Research Institute

{chan, syl}@etri.re.kr

 

Abstract

 

 Ubiquitous system provides web services which clients want irrespective of specific places and time. However, current services and devices supported by them are operated by different communication systems. To solve this problem, a system which can guarantee interoperability of services and devices is required. This paper introduces the UWS Broker, which is a middleware to discover services dynamically in ubiquitous environments. The UWS Broker, which is SOA oriented, is devised for different network based devices and services.

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이질적인 네트워크간의 상호운용을 위한 게이트웨이의 설계

DB Lab/Paper 2007 | 2008/03/20 21:27 | Posted by Yim, Hyung-jun

정보통신연구회 창립 20주년 하계 컴퓨터통신 워크샵 SWCC (Summer Workshop on Computer Communications) 2007
본 연구는 정보통신부 및 정보통신연구진흥원의 대학 IT 연구센터육성지원사업(IITA-2005-C1090-0502-0016)의 연구비 지원으로 수행하였습니다.

이질적인 네트워크간의 상호운용을 위한 게이트웨이의 설계

임형준O1, 오일진1, 황윤영1, 이경하1, 이강찬2, 이승윤2, 이규철1

1충남대학교 컴퓨터공학과

{hyungjun25, victory25, yyhwang, kclee}@cnu.ac.kr

2한국전자통신연구원

{chan, syl}@etri.re.kr

A Design of Gateway for Convergence of Heterogeneous Networks

Hyung-Jun YimO1, Il-Jin Oh1, Yun-Young Hwang1, Kyong-Ha Lee1,

Kangchan Lee2, Seungyun Lee2, Kyu-Chul Lee1

1Department of Computer Engineering, Chungnam National University

2Electronic and Telecommunications Research Institute

 

요 약

유비쿼터스 환경에서는 디바이스나 서비스의 상태, 위치 정보 등 특성에 관계없이 동질의 서비스를 제공할 수 있어야 한다. 이를 위해, 산재한 이질적인 서브네트워크의 상호 운용성을 위한 다양한 분산 시스템의 네트워크 프로토콜과 디바이스간의 통신을 통합하기 위한 연구가 필요하다. 서브네트워크의 상호 운용성을 위해서는 메시지 전송 및 변환 기능이 요구되며, 서브네트워크의 변화를 동적으로 감지하여 서비스 사용자에게 알려주어야 한다. 이러한 기능들을 제공하기 위해 UWS Broker를 제안하고 UWS Registry의 구성 요소를 설계하였다. 본 논문은 유비쿼터스 웹서비스에서 동적 웹서비스 디스커버리를 위한 UWS Broker와 서브네트워크의 연결을 담당하는 게이트웨이를 설계한다.

이질적인 네트워크간의 상호운용을 위한 게이트웨이의 설계.pdf

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TAG 게이트웨이, 상호운용성, 웹서비스, 유비쿼터스
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