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http://dx.doi.org/10.3745/KIPSTC.2004.11C.6.799

Implementation of ATM/Internet Gateway System for Real Time Multimedia Service  

Han Tae-Man (한국전자통신연구원 네트워크연구소 스트리밍기술팀)
Jeong You-Hyeon (한국전자통신연구원 네트워크연구소 스트리밍기술팀)
Kim Dong-Won (충북과학대학 정보통신과학과)
Publication Information
The KIPS Transactions:PartC / v.11C, no.6, 2004 , pp. 799-806 More about this Journal
Abstract
A growing diversity of pervasive devices is gaming access to the Internet and other information. However, much of the rich multimedia contents cannot be easily handled by the client devices because of the limited communication, processing, storage and display capabilities. The in-tegration of voice, data and video service modified the target of networking technologies. Networks must have some the capabilities for in-tegration of various services and also for QoS support as required by each of those service. Because of these reasons, we developed EAGIS(Efficient ATM Gateway for real time Internet Service) to provide seamless multimedia service between the ATM network and the Internet. EAGIS consists of the interworking unit, content server, transcoding server, and the serveice broker to provide seamless multimedia service be-tween the ATM network and the Internet. In this paper, we design the architecture and transcoding service scenario of the EAGIS. When the RTP is used for the bi-directional communication, transcoding time is configured by the time-stamp of RTCP. When HTTP is used for unidirec-tional communication, self-timer is used. By using these reference time, standard transcoding method is applicable according to the frame trans-mission rate and network traffic load. And we can also assure the QoS of the multiple users` effective bandwidth by our algorithm.
Keywords
Interworking; Gateway; Transcoding; ATM; Internet;
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