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Congestion Control of a Priority-Ordered Buffer for Video Streaming Services  

Kim, Seung-Hun (인천대학교 컴퓨터공학과 무선정보 네트워크 연구실)
Choi, Jae-Won (인천대학교 컴퓨터공학과 무선정보 네트워크 연구실)
Choi, Seung-Sik (인천대학교 컴퓨터공학과 무선정보 네트워크 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.32, no.4B, 2007 , pp. 227-233 More about this Journal
Abstract
According to the recent development of network technology, the demands of users are diversified and the needs of multimedia traffic are increasing. In general, UDP(User Datagram Protocol) traffic is used to transport multimedia data, which satisfied the real-time and isochronous characteristics. UDP traffic competes with TCP traffic and incur the network congestion. However, TCP traffic performs network congestion control but does not consider the receiver's status. Thus, it is not appropriate in case of streaming services. In this paper, we solve a fairness problems and proposed a network algorithm based on RTP/RTCP(Real-time Transport Protocol/Realtime Transport Control Protocol) in view of receiver status. The POBA(Priority Ordered Buffer Algorithm), which applies priorities in the receiver's buffer and networks, shows that it provides the appropriate environment for streaming services in view of packet loss ratio and buffer utilization of receiver's buffer compared with the previous method.
Keywords
Congestion; Buffer; RTP/RTCP; Streaming services;
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