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http://dx.doi.org/10.3745/KIPSTB.2004.11B.3.361

Multicast VOD System for Interactive Services in the Head-End-Network  

Kim, Back-Hyun (인천대학교 대학원 정보통신공학과)
Hwang, Tae-June (인천대학교 대학원 정보통신공학)
Kim, Ik-Soo (인천대학교 정보통신공학과)
Abstract
This paper proposes an interactive VOD system to serve truly interactive VCR services using multicast delivery, client buffer and web-caching technique which implements the distributed proxy in Head-End- Network(HNET). This technique adopts some caches in the HNET that consists of a Switching Agent(SA), some Head-End-Nodes(HEN) and many clients. In this model, HENs distributively store the requested video under the control of SA. Also, client buffer dynamically expands to support various VCR playback rate. Thus, interactive services are offered with transmitting video streams from network, HENs and stored streams on buffer. Therefore this technique makes the load of network occur In the limited area, minimizes the additional channel allocation from server and restricts the transmission of duplicated video contents
Keywords
VOD; Cache; Webcaching; Interactive Services; Multicast; HEN; Head-End Network(HNET);
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