• Journal of the Korea society of information convergence
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• v.5 no.2
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• pp.67-76
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• 2012

XML-based open protocol, XMPP users to pass messages to other users, which means that a decentralized communication network is the network infrastructure and enable it. In addition, XMPP servers using a professional server-to-server protocol to communicate with each other and decentralized social networks and collaboration framework provides an important possibility. In this paper, the features of XMPP messaging protocol is applicable to automotive telematics terminals XMPP-based platform design, and presence of two-way communication point for the problem, point-to-point session setup issues, security issues, compatibility issues, and to solve the scalability problem XMPP-based messaging system was implemented.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.18 no.11
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• pp.2678-2684
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• 2014

In this paper a new message control method that can reduce server load and network traffic in XMPP/SIP presence service system has been proposed. This presence service system can process both XMPP(Extensible Massaging and Presence Protocol) based presence information and SIP(Session Initiation Protocol) based presence information. A new XMPP stanza architecture with added elements for presence stanza and IQ stanza has been designed, and a new presence information data processing method which can reduce size of SIP notification message and SIP PUBLISH message has been suggested. Furthermore a messages exchanging procedure that can transfer presence information between XMPP domain and SIP domain has been also suggested. The performance of the proposed system has been analysed by simulation.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2012.10a
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• pp.646-648
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• 2012

In this paper, android phone information push system based on the XMPP protocol is proposed. It uses Java and eclipse development tools to create an information pushing system in android phone based on the XMPP protocol, and runs on the C/S network situation. Not only, the information can be send and receire form android phone in the PC server, but also the smack packet of the android phone is used fully by this system. Therefore, the speed of the transmission and the transfer are better than other sending sportocol in the basic XMPP protocol of the system.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.3
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• pp.561-566
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• 2013

In this paper, android phone information push system based on the XMPP protocol is proposed. For this, we implement a XMPP(eXtensible Message and Presence Protocol) based instant message system in C/S network environment by using Java language and eclipse device. This system not only allows sending and receiving messages from the PC server to mobile phone client, but also enables the expansion into the smack package of an android phone. Thus, this system shown, in this paper has the better performance in transmission and transfer speed than those of the basic XMPP protocol system.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.5
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• pp.1144-1150
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• 2015

Presence information provides various informations about users such as on-line status, current location, network connection method and connection address, and there are two kinds of presence information, SIP(Session Initiation Protocol) based presence information and XMPP(Extensible Massaging and Presence Protocol) based presence information. In this paper, a multiple server architecture that can handle these two kinds of presence information has been proposed. In this architecture, severs are added dynamically according to number of users to provide system scalability, and load of each server can be effectively controlled. In this system, a new XMPP stanza architecture and presence information data format are designed for load control. Furthermore message exchanging procedures between servers and users for dynamic server control has been also suggested. The performance of the proposed system has been analysed by simulation.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.6
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• pp.1375-1382
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• 2013

A shared whiteboard provides a drawing workplace that can be shared with peoples in real time. Since it supports rich drawing mechanisms for collaboration or communication, it is used as an effective tool in group work such as virtual meeting. In this paper, we present an XMPP client application named SyncNote that supports the shared whiteboard facility. For this, we propose an extension of the open standard communication protocol XMPP to provide the shared whiteboard facility. The SyncNote application runs on the Android platform, providing effective communication through sharing the drawings and images created by a group of users.

• Proceedings of the Korean Society of Computer Information Conference
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• 2016.07a
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• pp.225-226
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• 2016

본 논문에서는 기존의 메신저 서비스들을 비교하고 분석한다. 그 결과를 토대로 대화내용을 사용자의 스마트폰에 저장하여 외부유출을 방지하고 프로토콜 내에서 제공해주는 암호화 방식을 통해 메시지를 송 수신하여 보안을 강화한 1:1채팅용 모바일 메신저 어플리케이션을 설계 및 구현 한다.

• Journal of Internet of Things and Convergence
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• v.2 no.2
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• pp.15-20
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• 2016

MicroSoft Windows 10 IoT version, released in August 2015, successfully drew consumer interest by introducing the familiar Windows into the IoT market, and enabled an easier system construction of IoT web servers. Meanwhile, overdiagnosis has recently emerged as a controversy in medical society. Establishment of communication between IoT servers and medical devices will send treatment results to users and activate communication between hospitals, greatly reducing this problem. The IoT server, with its limited resources, utilizes lightweight protocols that do not generate traffic and are easy to use. This paper proposes IoT networks which will enable medical devices to easily provide ubiquitous environments to their users, through utilization of the lightweight Simple Service Discovery Protocol (SSDP) and the secure Extensible Messaging and Presence Protocol (XMPP).

• Proceedings of the Korea Information Processing Society Conference
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• 2007.05a
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• pp.1520-1523
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• 2007

최근 이동사무환경에 대한 관심이 증대되고 있다. 이를 위한 '유비쿼터스 이동사무환경 시스템'의 메신저 시스템은 기존 XMPP 메신저 프로토콜을 적용할 수 있으나, 몇 가지의 제약조건이 존재한다. 본 논문은 기존의 XMPP 를 확장해 이동사무환경에 적합한 새로운 프로토콜을 설계하고, 이를 실제 구현한 랑데부 서버에 적용하였다. 새롭게 개발한 MPE-MP 프로토콜은 사무환경의 전송을 위해 XMPP의 기본 네트웍 모델인 CS (Client-Server) 모델을 사용하지 않고, P2P (Point to Point) 방식을 사용하여 사무환경 전송을 수행한다. 본 논문에서는 MOE-MP 이동사무환경 메신저 프로토콜과 이의 구현인 랑데부 서버에 대한 특징, 기능을 서술한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2007.11a
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• pp.1143-1146
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• 2007

효율적인 업무향상을 위한 워크플로우 표준모델이 WfMC(Workflow Management Coalition)에서 제시해 개발되어지고 있다. 중앙집중식 워크플로우나 분산 워크플로우, P2P기반 워크플로우등 많은 모델이 개발되어 있으나 문제점들이 존재하고 있다. 중앙집중식 워크플로우의 서버에 과도한 업무처리 집중현상이나, 분산 워크플로우의 데이터 병목현상, P2P 워크플로우의 Disconnected현상을 해결하는 방안으로 분산 워크플로우 시스템의 개념을 도입한 Jabber/XMPP기반 분산 워크플로우 시스템의 도메인 간 인증(Inter-Domain Authentication) 메커니즘을 제안하고자 한다.