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of 16
pro vyhledávání: '"Choon-Seo Jang"'
Autor:
Choon-Seo Jang, Byung-Chul Kim
Publikováno v:
Journal of the Korea Institute of Information and Communication Engineering. 20:979-985
In this paper, a distributed instant message system with multiple servers architecture which can distribute system load effectively using an extended media control channel has been presented. A media control channel provides establishing a reliable c
Autor:
Choon-Seo Jang
Publikováno v:
International Journal of Multimedia and Ubiquitous Engineering. 10:411-428
In this paper, in order to improve scalability of conferencing system in SIP(session initiation protocol) environment, a distributed large-scale conferencing system architecture with dynamic server allocation has been proposed. For this architecture,
Autor:
Choon-Seo Jang
Publikováno v:
Journal of the Korea Institute of Information and Communication Engineering. 18:2678-2684
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 pre
Autor:
Choon-Seo Jang
Publikováno v:
The Journal of the Korea Contents Association. 14:10-17
Autor:
Choon-Seo Jang, Ky-Soo Lee
Publikováno v:
Journal of the Korea Society of Computer and Information. 18:99-106
In Instant message service, the server should process instant messages and request messages which include many presence resources for users. And it also precesses massive notification messages generating from the subscribed presence resources. In thi
Autor:
Choon-Seo Jang
Publikováno v:
Journal of the Korea Society of Computer and Information. 18:79-85
In SIP(Session Initiation Protocol) environment, the presence server should process SIP SUBSCRIBE request messages including multiple presence resources addresses from users, and also precess massive notification messages from the subscribed presence
Autor:
Ky-Soo Lee, Choon-Seo Jang
Publikováno v:
Journal of the Korea Society of Computer and Information. 17:71-77
In this paper, We have proposed an efficient SIP(Session Initiation Protocol) messages control which can be used to reduce conference servers load in distributed conference model. Each conference participant can control the amount of event notificati
Autor:
Choon-Seo Jang
Publikováno v:
Journal of the Korea Society of Computer and Information. 17:67-73
A distributed conference architecture with a new load control method has been suggested in this paper. A new event package in this paper enables to control conference load. Some additional elements for exchanging SIP messages between server and parti
Autor:
Ky-Soo Lee, Choon-Seo Jang
Publikováno v:
Journal of the Korea Society of Computer and Information. 17:133-140
In SIP(Session Initiation Protocol) service, users should send SIP SUBSCRIBE messages to the SIP server to get subscription informations of the other parties, and total amount of SIP messages becomes large in network as refresh messages and notificat
Autor:
Choon-Seo Jang, Ky-Soo Lee
Publikováno v:
Journal of the Korea Society of Computer and Information. 16:123-129
In this paper, We have proposed a new distributed conference architecture which can reduce largely SIP(Session Initiation Protocol) messages exchanged between servers and participants in distributed conference environment by using resource lists whic