Packet storage for self-similar media stream

被引：0

作者：

Xiang, Zhe ^{[1
]}

Zhong, Yuzhuo ^{[1
]}

机构：

[1] Dept. of Comp. Sci. and Technol., Tsinghua Univ., Beijing 100084, China

来源：

Qinghua Daxue Xuebao/Journal of Tsinghua University | 2002年 / 42卷 / 01期

关键词：

Algorithms - Data processing - Digital storage - Motion pictures - Packet networks;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Packet storage in media serves can greatly improve system performance by efficiently reducing the cost of media stream creation. Isometric Packet Storage (ISO-PS) and Indexed Packet Storage (Index-PS), are proposed, and the influence of the self-similar MPEG media stream on these schemes is also studied. Then, a new packet storage algorithm called I-ISP (Isometric and Indexed Packet Storage) is introduced for self-similar media streams. I-IPS uses the value of the evaluation factor for media packet granularity to select either the ISO-PS or the Indetx-PS scheme for the media stream to achieve a better performance/price ratio. Experience indicates that I-ISP remarkably reduces the waste rate of packet storage and provides fairly high performance for different MPEG1/2 media streams with various self-similar features.

引用

页码：44 / 47

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